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Connectivity - Science topic

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Questions related to Connectivity
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It is well recognized that hypergraphs can be represented as factor graphs to some extent.
But something plagued me is that, when converted to a factor graph, how is the degree of a node in the factor graph calculated? For example, when a node i in a factor graph is connected to a factor node with cardinality 5 in a hypergraph, is the degree of node i considered as 5? Or is it regarded as 1?
Can anyone explain this for me? I appreciate it a lot. And thanks for your time.
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In your example, the degree is 1.
For hypergraph, the degree is just the number of hyperedges the node is incident to, which is equal to the degree of the corresponding node in the factor graph. In the factor graph, you may also consider the degree of factor nodes, which follows the normal definition of degree for ordinary graphs.
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Hello to all,
in my lab we recently had an electrical fault and we lost the computer with the CXP software that was connected to our FC500 MPL flow cytometer. Since we are not able to find the CD with the software anymore, I asked Beckman, but they weren't able to give us a copy of the software because it is very old. The cytometer model is out of production and so it is the software apparently.
Does someone have a copy of the CD to send to me? That would be really appreciated!
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The Cytometer includes: ■ Analyzer that counts, measures and computes parameters. ■ Power Supply that provides voltages, vacuum and pressure. ■ MCL that positions the sample tubes in the carousel for sampling. ■ Laser(s) for fluorescence excitation.
Regards,
Shafagat
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The question talks about if non-democratic regimes resemble democracies more correlated and connected than the non-democratic regimes
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Well in my own point view obviously yes, non-democratic regimes can sometimes resemble democracies more closely than they resemble other non-democratic regimes. For instance, when they incorporate elements likes elections or political participation that imitate democratic practices.
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Why sustainable development is important in connecting environment social and economics and relationship between environmental sustainability and economic sustainability?
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Sustainable development can be applied to corporate policy in the business world as it encompasses three key areas: economic, environmental and social. Sustainable development requires that a company must contribute to economic growth, social progress and promote environmental sustainability. Environmental economics is an evolving discipline that developed as a result of environmental damage caused by economic activities and the pursuit of sustainable development. It is concerned with the design of environmental policies and their implementation. Sustainable planning requires embracing a long-term vision beyond short-term gains. It involves holistic thinking and considering interdependencies between economic, social, and environmental factors. By adopting a long-term perspective, sustainable planning anticipates future challenges and opportunities. Environmental sustainability is closely linked to social well-being. Sustainable development can reduce environmental pressures by addressing social issues like poverty and inequality, as social stability often leads to more responsible resource management. Sustainable development implies the fulfillment of several conditions: preserving the overall balance, respect for the environment, and preventing the exhaustion of natural resources. Reduced production of waste and the rationalization of production and energy consumption must also be implemented. With the economic sustainability ecological system is maintained and all the environmental terms are kept in balance. Natural resources are consumed by humans, taking care that they are preserved, for future generations. Sustainability is all about keeping these three pillars in balance. Environmental Economics and Sustainable Development discusses practical options to reconcile these multiple environmental, economic and social goals. It explains how to place an economic value on the long-term benefits of natural resources and on the socio-economic development activities that affect the environment. Economic sustainability is all about giving people what they want without compromising the quality of life, especially in the developing world. Environmental sustainability: It is the process of meeting the needs of air, food, water, and shelter as well as ensuring that the environment is neither affected nor polluted. Climate change, pollution, deforestation, and biodiversity loss are significant environmental challenges that can adversely impact economic development by affecting food security, water availability, energy supply, infrastructure, health, and social cohesion.
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I owe my continued good health to my avoidance of doctors and hospitals. I suspect, but only suspect, that some connection to early deaths and medical treatment might be there, certainly as I am reminded of the pneumonia epidemic of ten to twenty years ago when anyone over 60 went into hospitals only to contract the illness there, leaving hospital in a stiffer condition than they entered. I am reminded that the ancient Greeks, or at least the famous ones, lived long lives supported by very healthy diets.
Modern medicine is an industry, directly connected to economies. Perhaps in mass societies they are seen as necessary, but to what degree?
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Imo, Stanley Wilkin , the core problem is the following:
Modern’ medical Science is an application of classical material science; which was not designed to pertain to living beings; it can only assess and address the material aspects of the system. Since, “science” is often equated with this reductionistic mechanical material interpretation. Some people even claim this to be ‘science’. Some state: ‘if it is not described, it cannot be described, thus it cannot exist, thus is unscientific’. The claims of predictability and repeatability of inert matter are immaterial; living being are characterised by being predictably unpredictable; because of their innate use of freedom of choice.
A change in perspective is a must. As long as ‘modern medicine’ adheres to the tenets of ‘classical science’, subjects will be regarded as objects, consciousness will be reduced to (DNA) matter, and living beings as cadavers. This is not a figure of speech. Medical students still spend much time studying cadavers; without considering how this alienates them from contact with living beings.
Modern medicine manipulates politicians and the public by referring to the merits of classical science. Classical science is a deadly foundation for health care. Classical science addressed invariance: action + reaction=0/No-change). Invariance was traditionally called Hell (Closed System).
Most of the complaints about ‘regular’ medicine are based on this. It is based on a bias: a model of control and domination (as in dealing with objects) instead of participation/interaction based on consciousness and communication (offered by Traditional Health Care).
Modern’ medicine uses the philosophy of mechanical material control and domination (a war model) to overrule all ‘other’ forms of healing. It ridicules or rejects as ‘unproven’ all aspects which discern living beings from dead matter; the “blind spots” of classical science (life, love, consciousness and health). (For example: it demands the use of RCT (Random Control Trial) studies for hand-on healing. RCT was developed to assess effect of pharmaceutical powders; most of which are white when refined. RCT is meaningless where practitioner and patient can usually feel immediate effect.)
It claims its model is “proven verifiable, repeatable and predictable” (these are dead matter traits of Classical Science). Classical medicine uses these claims for asking higher prices, muscling political agenda’s, and bribing professional/public goodwill by advertising, and to discourage use of other forms of healing. This tendency is reinforced by a deceptive predominance of corporate (profit) interest in medical care. As long as “disease” equates with “profit”, diseases will be maintained, or created !
Science needs to include the findings of Traditional Health Care: understanding life. Health is integrity in personal involvement. Your involvement matters. This must be part of the formulation of medicine.
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I wanted to ask if there is a difference between connected components analysis and pore network analysis?
I am trying to find porosity of a coating on a coated sample and I want to know which method would be the best to get the porosity. I have already used otsu thresholding to divide the image into foreground and back ground. I want to now which techniques will give me the best results for the specified task.
I am attaching a image for your reference.
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Hey there Muhammad Qasim!
Absolutely, there's a difference between Connected Components Analysis (CCA) and Pore Network Analysis (PNA).
CCA focuses on identifying connected regions in a binary image, treating foreground pixels as "connected components." This is useful for tasks like identifying objects or regions in an image.
PNA, on the other hand, delves deeper into the structure and connectivity of these regions, particularly in porous materials. It analyzes the network of pores and their connectivity to understand fluid flow, transport properties, and other characteristics.
For determining the porosity of a coating on a sample, both methods have their merits:
1. **Connected Components Analysis (CCA):** After thresholding, CCA can help identify pores and their sizes, which can give you Muhammad Qasim a rough estimate of porosity. However, it might not capture the complex interconnectivity of pores.
2. **Pore Network Analysis (PNA):** This method provides a more detailed understanding of pore structure and connectivity, which is crucial for accurately quantifying porosity. It can give you Muhammad Qasim insights into how the pores are interconnected and their spatial distribution.
Since you've already performed Otsu thresholding to separate foreground and background, you've taken a good step towards preparing the image for analysis.
Considering the complexity of a coating's porosity, PNA might be the better choice for obtaining precise results. It'll give you Muhammad Qasim a deeper understanding of the pore network within the coating, which could be valuable for your task.
Feel free to share the image, and I can help guide you Muhammad Qasim further on which techniques would be best suited for your specific sample.
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I'm moddeling a steel-timber connection (single shear static test) using ea dynamic explict analysis in abaqus.
Innitially i've tried to model the conenction using a static solver, but at some point the model do not converge - i think the problem is somehow related with the interaction between the surfaces - i've modelled it considering a surface-to-surface contact.
Regarding the dynamic model, it was the alternative for the non-converging static model.
Notice: I've used a constraint of the type "coupling" in the base of the timber and 1 support (Ux=Uy=Uz=0) at the control point to obtain the reaction force. The displacement was applied in the oposite side of the steel plate.
In the dynamic model, althougth the simulation is running until the end, the reaction force is not as expected. I've noticed that it changes if i consider different mass densities for the material. What strategies can i use to obtain the "real/correct" reaction force (or in other words, the load-dispacmente curve) as in a static test? Mass scalling? I've been trying that way, but the problem remains...may be i'm not using the rigth parameters...
Does anyonne has an ideia why either the static and dynamic models are not running as expected?
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Anyone have an idea how to solve?
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I am currently implementing the following two RL algorithms for 5G
(i) Power control to maximize throughput in a multi-gNB multi-UE scenario, and
(ii) Maximizing throughput subject to delay constraints in a single-gNB multi-UE scenario
I have made significant progress using an external Python program connected to NetSim's gNB scheduler. This setup facilitates the exchange of states and rewards between the scheduler and the Python program.
I am interested in exploring scenarios with time delays in state-reward exchanges, such as delayed state reception. How does RL adapt in such situations? I would appreciate any relevant research papers on this topic
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I can start with a constant delay MDP. As regards the RL algorithm, I can start with tabular Q-Learning if that is easier
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Hello Guys!
I need a person who is working in the area, please let's connect.
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Melaku Bayih Demessie Hi. I am a PhD student in the Industrial and System Engineering department. I am working on fault diagnosis using transfer learning. Maybe I can help you.
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The implementation of a cell phone application aimed at connecting citizens and reward-based waste picker associations is not enough to make collection logistics possible for these collectors. Depending on the savings obtained in reducing the volume of garbage collected by municipal public cleaning, the development of this system could make this program viable.
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MSW generation per capita is estimated by dividing MSW generation of a certain area by that area's population. Divide the amount of waste diverted by the total amount of waste, then multiply by 100 to get the percentage. Researchers can be used different techniques for data collection such as: field observations, sorting and weighing on site, truckload records, and surveys.
1. add up the total weight of each category of waste generated by the event.
2. add all of the categories together to determine the total amount of waste generated by the event.
3. add together just the first three categories (recycling, compost, and donations). This number is the total amount of waste diverted.
4. Divide the amount of waste diverted by the total amount of waste.
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Clearly X is a connected topological space.
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@Peter Breuer: The proof assumes that the space is connected. Yours is not.
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OSF is asking to connect to my research gate account, and to do so i need de profileID.
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André Rebelo thanks. You rock!
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I have two researchgate profiles,
how to connect them into one, what do you suggest
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Delete one of your research gate profile after transferring the data into existing profile. Thank you..
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Respected ResearchGate Connections,
I, Reena Patel would like to request about you to review the Research Paper for the journal IPEM-Translations (SCI) for the research domain AI, deep learning, and medical imaging.
So, I eagerly waiting for the reviewers (out side the India)who can have the interest of review the research paper for the mentioned domain . If anyone is interested (out side the India) to do the review the paper then provide your details as following:
1) Full name
2) Affiliated institute:
3) Designation:
4) Mobile Number:
5) Email ID:(Institute ID is preferable)
6) Domain of Research
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Paradigm
Scientific results, at least those generated by individuals holding positions at universities or at publicly financed research institutes, should be openly accessible to all people worldwide.
Reality
In order to be able to access a publication, often a fee will be charged by the publisher. For open access publication the authors have to pay quite a lot of money, and many researchers are simply not able to achieve this. Certainly the main community of researchers is not at all happy with this situation.
During the last decades, publishing -- fortunately ! -- changed from costly print versions to much cheaper electronic versions. Meanwhile it is quite easy to set up an electronic journal and ... to make money with such a business ! Not rarely a publisher tends to not taking peer review seriously, since rejecting a submission means less income. Quite a number of journals and publishers have meanwhile even been classified as "predatory" and an author should better check carefully, to which journal she/he should submit her/his work.
Let me briefly report a case, in which I have been -- and I am still -- involved. The original publisher of the Journal of Generalized Lie Theory and Applications (GLTA) was Astralgo Science in Estonia. In those days I was asked to join the Editorial Board. Later this journal moved to Ashdin Publishing, then OMICS and finally Hilaris, alleged "predatory" publishers according to quite a number of sources in the internet. Apart from a strange description under "About the Journal", on the GLTA website
we read
"Fast Editorial Execution and Review Process (FEE-Review Process)
Authors who are willing to publish their articles under this mode can make a pre-payment of $99 towards express peer-review and editorial decision. First editorial decision in 3 days and final decision with review comments in 5 days from the date of submission."
It should be obvious to any serious scientist, that this is not compatible with any reasonable peer review process. I asked the publisher to remove my name from the Editorial Board and at least one of the Editors-in-chief followed me. No response at all and no action. Lately GLTA even published total nonsense articles under the name of respectable scientists who had nothing to do with it !
Long ago I had rejected several submissions to GLTA that landed on my desk. But since many years I have not received anything anymore from the editorial office. The editors-in-chief should know, which of the published papers actually went through a peer review process.
Authors in general have to transfer copyright to the publisher and lose their own right in this way.
Why we should not pay publication fees and also not fees for open access publishing
As the above example in my opinion clearly shows, this could drive the publisher to decrease the level of scientific quality.
It is also not understandable that an author has to pay for keeping the right to her/his own work.
What shall we do ?
A major revolution in scientific publishing has been the creation of the arXiv by Paul Ginsparg in 1991. Of course, we also have to thank Donald Knuth for his ingenious TeX and Leslie Lamport for the somewhat more user-friendly LaTeX.
We should only take submission to a journal into consideration, if the publisher allows us to store a corresponding preprint version in the arXiv. There are even journals (like Communications in Mathematical Physics) which require that authors send their work to the arXiv prior to submission.
Posting in the arXiv also allows other scientists to send private comments to the authors, which offers a chance to improve their work. I'm typically waiting at least a month from arXiving a paper to submission to a journal.
Some authors send their work from one publisher to the next until it gets published somewhere, without prior posting in the arXiv. This occupies editors and referees and should not be considered a decent scientific behavior in my opinion. Isn't it a bit sneaky ?
The availability of a preprint version (which can even be updated) in the arXiv makes payment for open access publishing redundant, in my opinion.
How to maintain scientific quality ?
Sure, the arXiv is a great thing, but we do need services to maintain and increase scientific quality.
There are "overlay journals" like SIGMA, strongly connected with the arXiv. Perhaps this is a substantial part of the future of publishing.
In my opinion, a good quality of scientific publishing can in fact only be achieved via a good editorial board, which has full rights to decide about publication or rejection. There are certainly also questions concerning the way of constituting an editorial board, election of members, choice and quality of referees, etc. But this is a more restricted problem.
If we are asked to join the editorial board of some journal, we should think twice and check the journal carefully. If it makes a good impression, this does not mean that this will be so forever. In particular not if there is a publishing business behind it.
But the publishers need financial support to maintain servers, infrastructure, editorial services
First, we should not forget that also the arXiv needs funding ! It seems that the system works well presently, but perhaps the scientific community should support it even more.
In my opinion, scientific publishing, as a business and at least in the realm of journals, has no future. More public funding will be necessary to establish and maintain an independent academic publishing structure.
Clearly a lot has already been written about scientific publishing and the problems connected with it. I did not read it all, sorry ! But I do hope that I did not miss some of the most important aspects.
Take care !
Folkert
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As the world turns: scientific publishing in the digital era
"The printing press changed everything, although we know this only in retrospect, The world usually sleepwalks through technological revolutions of historic proportions. So much has already changed in scientific publishing that it is tempting to think we have reached a new equilibrium. In my view it is highly unlikely, although I am not wise enough or bold enough to say when today’s rapid evolution will pause and in what state it will leave the process of communicating research results. I rather doubt it will leave scientific publishing in a form that is recognizable to today’s researchers -- or even whether anything like today’s research scientist will even exist as a job title. 150 years ago there was no such job description. An unsettling thought, yes. But periods of historical transition are always unsettling..."
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Hot Call !!!
Lets get started for 3rd International Marketing Symposium
3rd International Marketing Symposium is a virtual (online) symposium that welcomes studies focused on marketing, finance market, sustainability from various disciplines in social sciences.
The Symposium is seeking science board members from various social science areas. If you are interested please connect with Prof. Dr. Seda Yıldırım ([email protected])
Apart from scientific committee membership, we are also looking for International speakers (keynote/invited) for 3rd International Marketing Symposium
Key notes:
- The symposium is free of charge
- The symposium includes virtual-online participate
- The congress will be held between 16-17 November 2024
Look forward to hearing your participation
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What is the agenda of this symposium?
Additionally, I am interested in joining the symposium as a key note speaker!! check out Mail!!
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I am a master student at Erasmus university and writing my thesis about branding in the banking sector. I am desperately looking for participants for my interviews, a lot of companies are too busy and not willing to help. the interview can take place via teams or zoom, and would just take around 15 minutes.
I will ask some questions about what companies (from your perspective as employee) find more important in a bank, the transactional relationship and that the service is good, or a deep connection and bank that values the company and tries to inspire.
I am willing to share more about the subject, all help is appreciated!
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I was an ex-investment banker at ABN AMRO long back. if I qualify your search, please get in touch..
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Are you a researcher of the IDG - Inner Development Goals?
Let's connect and recommend your publications here.
I am also interested in journals that are taking IDG as their core scope of research interest.
This is so exciting to connect!
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Take a look at this research - just published!
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The ability to generate true randomness is a key indicator of Artificial General Intelligence (AGI). Current AI systems, which rely on deterministic algorithms and pseudo-random number generation (PRNG), lack this fundamental capability and fall short of true intelligence.
Randomness is a fundamental aspect of the universe. An AGI that can't replicate it demonstrates a limitation in its ability to grasp the underlying complexity of the world.
Breakthroughs in science, art, and problem-solving often involve a degree of chance or unexpected connections. PRNGs are predictable, hindering the ability of AI to explore truly novel solutions.
Humans can be unpredictable because of our internal, non-deterministic processes. An AGI whose every action is determined by its programming lacks this key element of human-like intelligence.
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Artificial General Intelligence is commonly described as human-like intelligence. Humans themselves are not truly random, as our actions and intelligence are influenced by a number of factors. Therefore, if AGI is the imitation of humans, it does not need to grasp true randomness any better than a human can.
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I'm trying to run transistor IV measurement, especially Vg sweep. I've been successful in programming other equipments such as Agilent 4156c, Keithley 2400 sourcemeter, etc, so now I'm trying to program Agilent B1500A.
I connected my laptop with B1500A using GPIB-USB-HS, and I installed all drivers needed. I confirmed that B1500 responsed IDN command using NI-VISA Test Panel.
Moreover, I found this website that could help me program B1500A with python in my laptop.
According to this website, I used the code as below and finally I tried to run this, and the error 'VisaIOError: VI_ERROR_TMO (-1073807339): Timeout expired before operation completed.' occured in ''# set data output format (required!)
b1500.data_format(21, mode=1) #call after SMUs are initialized to get names for the channels''.
However, even without the line above,
''# choose measurement mode
b1500.meas_mode('STAIRCASE_SWEEP', *b1500.smu_references) #order in smu_references determines order of measurement'' also results the same error.
This error might caused by the former line, and does anybody know the solutions for this?
I'd really appreciate it if anybody could help me.
Thank you.
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import pyvisa
import matplotlib.pyplot as plt
from pymeasure.instruments.agilent import AgilentB1500
# Define your instrument's VISA resource string
instrument_visa_address = "GPIB0::17::INSTR"
# Initialize PyVISA resource manager
rm = pyvisa.ResourceManager()
# Open a connection to the instrument
try:
instrument = rm.open_resource(instrument_visa_address, timeout=100000)
print(f"Connected to instrument: {instrument.query('*IDN?')}")
except pyvisa.VisaIOError as e:
print(f"Failed to connect to instrument: {e}")
exit()
# Initialize Agilent B1500A instrument
b1500 = AgilentB1500(instrument)
# explicitly define r/w terminations; set sufficiently large timeout in milliseconds or None.
b1500=AgilentB1500(instrument_visa_address)
# query SMU config from instrument and initialize all SMU instances
b1500.initialize_all_smus()
# set data output format (required!)
b1500.data_format(21, mode=1) #call after SMUs are initialized to get names for the channels
# choose measurement mode
b1500.meas_mode('STAIRCASE_SWEEP', *b1500.smu_references) #order in smu_references determines order of measurement
# settings for individual SMUs
for smu in b1500.smu_references:
smu.enable() #enable SMU
smu.adc_type = 'HRADC' #set ADC to high-resoultion ADC
smu.meas_range_current = '10uA'
smu.meas_op_mode = 'COMPLIANCE_SIDE' # other choices: Current, Voltage, FORCE_SIDE, COMPLIANCE_AND_FORCE_SIDE
# General Instrument Settings
# b1500.adc_averaging = 1
# b1500.adc_auto_zero = True
b1500.adc_setup('HRADC','AUTO',6)
#b1500.adc_setup('HRADC','PLC',1)
#Sweep Settings
b1500.sweep_timing(0,5,step_delay=0.1) #hold,delay
b1500.sweep_auto_abort(False,post='STOP') #disable auto abort, set post measurement output condition to stop value of sweep
# Sweep Source
nop = 11
Vg_start = -0.5
Vg_stop = 2.0
Vg_steps = 20
Vds_values = [0.0, 0.2, 0.4, 0.6, 0.8, 1.0, 1.2, 1.4, 1.6, 1.8, 2.0]
Vg_values = []
Ids_values = []
for Vg in np.linspace(Vg_start, Vg_stop, Vg_steps):
b1500.smu3.ramp_source('VOLTAGE','Auto Ranging',Vg, stepsize=0.1, pause=20e-3)
#type, mode, range, start, stop, steps, compliance
for Vds in Vds_values:
b1500.smu4.ramp_source('VOLTAGE','Auto Ranging',Vds, stepsize=0.1, pause=20e-3) #type, mode, range, start, stop, steps, compliance
#Start Measurement
b1500.check_errors()
b1500.clear_buffer()
b1500.clear_timer()
b1500.send_trigger()
# read measurement data all at once
b1500.check_idle() #wait until measurement is finished
data = b1500.read_data(2*nop) #Factor 2 because of double sweep
# Append gate voltage and drain current values to lists
Vg_values.append(Vg)
Ids_values.append(data[0][3])
# Plot Vg-Ids graph
plt.figure(figsize=(8, 6))
plt.plot(Vg_values, Ids_values, marker='o', linestyle='-')
plt.xlabel('Gate Voltage (V)')
plt.ylabel('Drain Current (A)')
plt.title('Vg-Ids Characteristics')
plt.grid(True)
'''
#alternatively: read measurement data live
meas = []
for i in range(nop*2):
read_data = b1500.read_channels(4+1) # 4 measurement channels, 1 sweep source (returned due to mode=1 of data_format)
# process live data for plotting etc.
# data format for every channel (status code, channel name e.g. 'SMU1', data name e.g 'Current Measurement (A)', value)
meas.append(read_data)
'''
#sweep constant sources back to 0V
b1500.smu3.ramp_source('VOLTAGE','Auto Ranging',0,stepsize=0.1,pause=20e-3)
b1500.smu4.ramp_source('VOLTAGE','Auto Ranging',0,stepsize=0.1,pause=20e-3)
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Hello,
Do you find a solution?
I am trying also to program B1505A using python, and I can't find ressources for it.
Thanks
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How many types of interaction are there in ecosystem and carbon cycle connects the biosphere lithosphere hydrosphere and atmosphere?
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Ecosystems are teeming with interactions between living organisms and their environment. While there are many ways to categorize these interactions, there are five main types that capture the essence of how species relate to each other and their surroundings:
  1. Competition: This is a wrestling match between organisms for resources like food, water, or space. Basically, anything that one organism needs to survive and reproduce can be a point of competition.
  2. Predation: This is where one organism (the predator) hunts and eats another organism (the prey). This is a cornerstone interaction that shapes food webs and population sizes.
  3. Mutualism: This is a win-win situation where two different species benefit from living together or interacting closely. Think of the classic example of bees pollinating flowers while collecting nectar for food.
  4. Commensalism: Here, one organism benefits from an interaction, while the other is neither helped nor harmed. An example is a barnacle hitching a ride on a whale for travel and food scraps.
  5. Amensalism: This is where one organism harms another, but doesn't gain anything itself. For instance, a large oak tree might block sunlight, hindering the growth of smaller plants beneath it.
These interactions form the complex web of life within an ecosystem.
Now, onto the carbon cycle! This biogeochemical cycle is what connects the four spheres you mentioned: biosphere (living things), lithosphere (solid Earth), hydrosphere (water), and atmosphere (gases surrounding Earth). Carbon constantly moves between these spheres through various processes, including:
  • Photosynthesis: Plants and some other organisms capture carbon dioxide from the atmosphere and use it to build organic molecules.
  • Cellular respiration: All living things release carbon dioxide back into the atmosphere when they break down organic molecules for energy.
  • Decomposition: When dead organisms decompose, carbon gets stored in soil and sediments (part of the lithosphere) or released as carbon dioxide.
  • Fossil fuel burning: Human activities like burning coal and oil release huge amounts of stored carbon back into the atmosphere.
The carbon cycle is crucial for life on Earth. It regulates atmospheric CO2 which, in excess, contributes to climate change. Understanding these connections between the spheres is vital for addressing environmental issues.
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In machine design does any changes required for connecting stator winding in Star or Delta. How to identify, the machine is designed for star or delta.
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Typically, for two-level voltage source inverter drived PMSM, a delta connected wire can achieve higher speed than Y connected wire. This is because the voltage is 1.732 times greater as Valentyn Volodin mentioned. But the delta connected wire will create 3rd order harmonic path. In some industrial design where DC voltage is quite low, one may sacrifice the THD for better speed performance. As far as i know, i have seen low voltage compressors for vechicles using this design.
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It's important to remember that while there may be conflicts and divisions among people based on various factors such as race, nationality, religion, or ideology, it is essential to recognize and respect the shared humanity that unites us all. Embracing our common humanity can help bridge divides and promote understanding and empathy.
The shared humanity that unites all of us refers to the fundamental qualities and characteristics that we all possess as human beings. These include:
  1. Emotions: We all experience a range of emotions, including joy, sadness, anger, fear, and love.
  2. Capacity for Reason: We all have the ability to reason, think critically, and solve problems.
  3. Social Connections: We all have a need for social connections and relationships with others.
  4. Physical Needs: We all have basic physical needs such as food, water, and shelter.
  5. Vulnerability: We are all vulnerable to illness, injury, and death.
  6. Diversity: We all come from different backgrounds, cultures, and experiences.
Recognizing and embracing these shared qualities can help us to connect with others, promote empathy and understanding, and work towards a more peaceful and just world.
What do you think?
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Thank you, Dr. Chandan Kumar, for sharing your insightful perspective!
Indeed, the human mind remains a fascinating frontier, with its intricate workings still largely uncharted. As we explore the intersection of electronic intelligence and human cognition, we witness remarkable advancements. Yet, amidst our sophistication, we grapple with our inherent differences—unique perspectives, needs, and interests.
Humanity, that delicate thread binding us all, sometimes frays due to our divergent paths. Norms and regulations exist, but their adherence varies. The resulting discord reverberates globally, creating complexities.
Yet, as you wisely note, the world persists, following its natural course. Acceptance becomes our compass. And perhaps, through collective effort, we can mend the fabric of humanity, weaving understanding, compassion, and positive change.
Warm regards,
Dawood
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I currently study ferrofluid magnetohydrodynamics in COMSOL by connecting "Magnetic field, no currents", "Laminar flow" and "Heat transfer in solids and fluids". So, I need to connect all these physics to get the ferrofluid motion in a channel. On the internet, I found coupling the electric, Magnetic, and flow field, but in my case, I am not required to use an electric field and required to use temperature as a function of magnetic susceptibility, so can not use those equations. Could you please suggest something or give a tutorial about the subject?
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Dear Sir
I've seen you message on ResearchGate, in fact, i have the same issue, i'm carring out a simulation of ferrofluids in a cylinder in the present of magnet , I'm using two models Laminar flow and Heat transfer in Fluids and i want to define the force volume on the heat transfer model in fuction of the magnetisation M and the magnetic field B.
The magnetization M is function of the temperature as this equation:
M(T)=3*〖10〗^5*exp⁡(〖-[((T-250))/40]〗^6
The volume force will be F= ∇(M.B)
The problem is when i set a variable in comsol of the magnetisation M this equation is not accepted and the temperature T is not recognized
Coud you please help me in my simulation
You can find attached the model and equation use
Thank you for your help
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I've been looking at digsilent to see how HVDC affects the control of generators. It's a simple HVDC connection of buses. The static generator is set up as a reference machine, but as you can see in the picture, no power is transferred via HVDC. This system is very simple, why doesn't it transfer power? I attach the setup of the HVDC below.
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  • Hi, try to take a look at the test models in the program's library. I think there's an HVDC model there.
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We used to have some project that discussed these interesting topics. I hope some of you will start this discussion going from your own perspective. How does art connect with science? My husband works in science and I am definitely one of those "mind wanderers" who get so easily distracted because in art we think associatively.
I almost daily have to think why I don't mind how my mind works. What are your thoughts in these two very different styles of cognitive activity?
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Dear Gloria,
It's ssso interesting! But nowadays a lot of emails are invalid or 404. It will be amazing if you can share the interesting discussion here on RG. Or maybe unusual thoughts on the theme.
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example as picture
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Uma lacuna é uma falta em uma superfície pintada. Pode ocorrer por diversos motivos que levaram à perda de uma ou mais partes de uma pintura: ressecamento do ambiente, quedas ou má intervenção
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The Phyre2 is a suite of tools available on the web to predict and analyze protein structure, function, and mutations. But the server isn't available at http://www.sbg.bio.ic.ac.uk/phyre2. Connection refused. The remote host or network may be down. Is this online tool no longer available?
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you can use it now, it works
fred
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How to simulate a network of Command Posts on the battlefield and analyze for the throughput, latency and availability? They will be connected using multi-band UHF or UHF radios.
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I am trying to set up a Graphab project and to calculate a linkset. This works fine when using a small crop of the original research area with an external raster file containing resistance values, or when assigning some class-specific resistance values. However, when I use the full extent of the map in combination with an external raster file that contains the resistance values, I get the following error:
"java.lang.RuntimeException: java.lang.IllegalStateException: Negative or null cost is forbidden. Check your cost."
There are no null or negative values in the resistance raster, so what shall I make of this message? Could it have been caused by some other issue not accurately reflected in the error message?
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Update: my previous answer works because it pushes all values >=1, this can be achieved without converting it to factor by simply adding a 1 to your values. Ultimately the cost surface cannot have values <1, and this is the case also for other connectivity software such as Omniscape.
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does increasing or decreasing size of supercells affect these in DFT calculation?
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Usually, if you increase the K-point mesh the calculation becomes more accurate but becomes more and more expensive. The same is true for cut-off energy. One should test and converge the K-point and cut-off energy with respect to the total energy of the system.
The size of the supercell depends on the user's choice of what kind of cell dimension with which the user wants to start the calculation. In the periodic boundary condition anyway, the periodicity will be maintained according to Bloch's formula. A large supercell with a smaller K-point calculation is equivalent to a small supercell with a large K-point calculation.
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is there any mistake in the data or there is a probability of no connection between the variables? Kindly help me with the interpretation. Also, explain me the R square as well. I have attached the framework too.
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You need to pay attention to the statistical significance of your coefficients. In particular, a negative correlation that is not significant means that it is not different from zero.
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The BFP and GFP are connected by a flexible linker and FRET is more higher.
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Adam B Shapiro Thank you for providing me with references. You are right, κ^2 usually assumed to 2/3 but FRET pair of fluorescence portein may be inaccurate.
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I am wondering if there is any way to refresh the input data from a dynamic text file in COMSOL for each iteration.
I have attempted to do this in Python, but COMSOL only solves the equation for the first input text file and not for any new files generated. The reason for this is that I have coupled COMSOL with a DEM-based software which feeds the input to COMSOL for each iteration. (same situation for the output to save the results as a text file)
While the connection is established through Python codes, I am unsure if Python can trigger the refresh button for each iteration!!!
Any suggestions would be greatly appreciated.
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Achal Singh
Hello,
In my experience, COMSOL performed efficiently during each time step. However, attempting to accelerate the calculation time of your COMSOL model solely through Python scripting using the mph library may face constraints, particularly if the bottleneck stems from the model's complexity or the available computational resources. However, there are several strategies you can consider to optimize the performance:
1. Model Simplification: Simplify your COMSOL model by reducing the number of elements, adjusting mesh refinement settings, or simplifying physics assumptions while ensuring that the essential features of your fluid dynamics problem are retained.
2. Parallel Computing: Utilize parallel computing techniques to distribute the computational workload across multiple CPU cores or nodes. COMSOL Multiphysics supports parallel computing, and you can explore options for parallelizing your simulations within the COMSOL environment or using Python parallel processing libraries like multiprocessing.
3. Solver Settings Optimization: Fine-tune the solver settings within your COMSOL model to achieve better convergence and reduced solution time. Experiment with different solver types, preconditioners, and convergence criteria to find the optimal configuration for your specific problem.
4. Adaptive Mesh Refinement: Implement adaptive mesh refinement techniques to dynamically adjust the mesh density based on solution characteristics, focusing computational resources on regions of interest within the domain.
5. Parameter Optimization: If your simulations involve parameter sweeps or optimization studies, consider using optimization algorithms available within COMSOL or integrating external optimization libraries with Python to efficiently explore the parameter space and identify optimal solutions.
6. Model Order Reduction: Investigate techniques for model order reduction to reduce the computational complexity of your fluid dynamics model while preserving key system dynamics. Techniques such as proper orthogonal decomposition (POD) or reduced basis methods can be effective in achieving significant speedup while maintaining accuracy.
7. GPU Acceleration: Explore the possibility of leveraging GPU acceleration for certain computations within your COMSOL model, as GPUs can offer significant speedup for certain types of numerical calculations compared to traditional CPU-based computations.
8. Profiling and Benchmarking: Use profiling tools to identify computational bottlenecks and areas for optimization within your COMSOL model. Benchmark different configurations and optimization strategies to quantify the performance improvements achieved and guide further optimization efforts.
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Hi
In this simulation, i noticed that i have a electrical field inside a conductor almost in range of e-11.
this upper plate is connected to 10volt (DC) and by time dependent study it moves sinusoidal and lower plate is constrained.
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In a conductor, such as a metal, charges are free to move due to the presence of mobile electrons. When an external electric field is applied to a conductor, these free charges redistribute themselves within the material until they reach a stable configuration. This redistribution creates an electric field inside the conductor that exactly cancels out the external electric field.
However, it's important to note that this only happens in static conditions or when the conductor is in electrostatic equilibrium. In other words, the charges have stopped moving and there is no current flowing. If the electric field were not canceled out within the conductor, charges would continue to move until equilibrium is reached. This cancellation of the electric field inside the conductor is known as electrostatic shielding.
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To be developed.
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Carl Alexander Frisk thanks your reply. If you're why I put "To be developed", it's because I like to strew over possible answers.
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I have retired from the University and although I still have the email account, the Univesity blocks ResearchGate. I would like to receive the ResearchGate at my personal email address- [email protected]
thanks
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Thanks so much for this!
Marlene
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Is there a connection between Fake News and Campus Security as it relates to academic programs and safety of academic staffs, students, non academic staff and campus visitors.
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But who defines what is fake and what is good news? The Government? Wouldn't it be better to strengthen media literacy so that everyone can recognize fraud more confidently?
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Extensive Reading (ER) is becoming increasingly accepted in many ESL and EFL contexts, and (I believe) there are now many, many high-quality graded readers available for English language learners. However, although there is a growing body of academic research into the effectiveness of ER for developing / maintaining language proficiency, there has been little research into the cultural content of the materials. Are you aware of any relevant studies using content analysis to investigate graded readers, or interesting articles connected to gender in ESL / EFL materials? Indirect connections may also be helpful, so any ideas or thoughts are welcome! Thanks!
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Following. That's an interesting topic. Practical considerations: Are you going to use only digital versions? Are you going to actually READ all digital stories? Are you going to scan and digitize? You will need stories published in different eras to be able to diachronically compare gender representation shifts.
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10.13140/RG.2.2.33407.79526
This is my DOI number for my pre print, but it doesn´t seem to connect to the uploaded text?
What can I do to connect them?
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Hi, I will try to solve this today, I made some changes and noticed that the link wasn´t working now. I will let you know when it works again.
All the best,
Ebba
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Hi,
I am interested in joining algebra research group for collaboration. I bring a strong background in algebra and a passion for research.
Open to ongoing projects and eager to contribute, I'd appreciate the opportunity to connect and discuss potential collaborations.
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I appreciate your offer! While I am unable to actively contribute, I am really interested in learning more about the research group and the work you are doing in algebra. Feel free to contribute any facts or results that you find especially interesting!
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Dear Researchers,
I am reaching out to seek insights and opinions on the potential connections between chaotic dynamics, arithmetic functions, and open conjectures in analytic number theory. My interest lies in exploring the derivation of chaotic operators from mathematical constructs such as L-Dirichlet functions and conjectures like those presented by Yitang Zhang in 2022 on Landau-Siegel zeros, as well as the Montgomery conjecture on the distribution of zeros.
Specifically, I am intrigued by the possibility of deriving chaotic dynamics from these mathematical frameworks and understanding their implications for questions related to the Riemann Hypothesis.
  1. L-Dirichlet Functions and Chaotic Dynamics:Are there indications or prior research suggesting a link between L-Dirichlet functions and the derivation of chaotic operators? Has anyone explored the connection between arithmetic functions and the emergence of chaotic behavior in dynamic systems?
  2. Analytic Number Theory Conjectures:What insights can be gained from recent works, such as Yitang Zhang's 2022 theorem on Landau-Siegel zeros, regarding the potential implications for chaotic dynamics? How might the Montgomery conjecture on the distribution of zeros contribute to our understanding of chaotic systems?
  3. Riemann Hypothesis:Based on these findings, do researchers believe there is any increased validity or support for the Riemann Hypothesis? Are there specific aspects of the conjectures or arithmetic functions that may shed light on the truth or falsity of the Riemann Hypothesis?
I also want to inform you that I have recently derived a chaotic operator from Yitang Zhang's latest theorem on Landau-Siegel zeros. The work has been accepted for publication in the European Physical Journal.
My ultimate goal is to further investigate the derivation of chaotic operators from these mathematical foundations and to understand the conditions under which ζ(0.5+iH)=0. welcome any insights, suggestions, or collaboration opportunities that may arise from your expertise in these areas.
Thank you for your time and consideration. I look forward to engaging in fruitful discussions with the research community.
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There's considerable activity on all these topics, so it would be a good idea to learn to focus on the technical content rather than the sociology.
Anyone that expects to prove the Riemann hypothesis this way is bound to be disappointed. So it would be a good idea to start by not making a fool of oneself with statements full of buzzwords, but focus on learning something about the subject. Also: Technical topics don't deal with opinions.
might be useful.
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Please I have a question. Can someone help me ? I want to connect NetSim with Python, that's the error message: ConnectionResetError: [WinError 10054] An existing connection was forcibly closed by the remote host
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You could check the knowledgebase https://support.tetcos.com/support/home. In the same link you could also raise a support ticket with the developers who are usually responsive.
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I am doing a project in omnet++. I connected the network to a SDN controller However I like to know how to get subgraphs of routers in a SDN network.
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In OMNeT++, you can create a subgraph of routers that are connected to an SDN (Software-Defined Networking) controller in a network topology by implementing the necessary logic in your simulation model. Here are the general steps you can follow to achieve this:
  1. Define Network Topology: First, define your network topology in OMNeT++ using modules to represent routers, switches, SDN controller, and connections between them. You can use the INET Framework in OMNeT++ to create network topologies easily.
  2. Identify SDN Controller Connections: Within your network topology, identify the connections between routers and the SDN controller. You can define parameters or attributes in your router modules to indicate whether they are connected to the SDN controller.
  3. Traverse the Network Topology: Implement logic in your OMNeT++ simulation model to traverse the network topology and identify routers that are connected to the SDN controller. You can use algorithms like Depth-First Search (DFS) or Breadth-First Search (BFS) to explore the network and identify connected routers.
  4. Create Subgraph: As you traverse the network and identify routers connected to the SDN controller, create a subgraph data structure (e.g., a list, vector, or graph data structure) to store these routers.
  5. Visualize the Subgraph: If you want to visualize the subgraph of routers connected to the SDN controller, you can use visualization tools in OMNeT++ or export the subgraph data to external visualization tools for better representation.
  6. Analyze the Subgraph: Once you have the subgraph of routers connected to the SDN controller, you can perform further analysis or simulations on this subset of the network to study their behavior or performance.
By following these steps and implementing the necessary logic in your OMNeT++ simulation model, you can create a subgraph of routers that are connected to an SDN controller in a network topology and analyze their interactions within the network.
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Model
I modeled two blocks (high stiffness) with the dimensions 5 x 5 x 5 and connected them with the interaction property "cohesive behavior". The blocks are lined up in x-direction. In my first step, I want to separate these two blocks in normal direction (x) followed by a tangential sliding in shear 1 direction (y) in the second step. The separation in x direction depicts a pre-damaging process.
Parameters
Material properties of two blocks:
Elastic
  • Young's Modulus of blocks = 1000000
  • Poisson's ratio = 0
Interaction properties (cohesive behavior + damage):
Elastic
  • Knn = 0
  • Kss = 10
  • Ktt = 0
Damage
  • Initiation: Quadratic separation (delta_n0 = 0.1 / delta_s0 = 1 / delta_t0 = 1000000)
  • linear Damage evolution with total/plastic displacement delta_f = 9
Loading:
First step
  • u1 = 0.7
Second step
  • u3 = 10
Question
I comprehend the calculation of the damage variable in the first step:
D = (delta_f * (delta_n - delta_n0))/(delta_n * (delta_f - delta_n0))
How is the overall damage variable calculated in the second step due to the pre-damaging?
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In the second step of your analysis, you're essentially dealing with a situation where the material has already experienced some damage due to the pre-damaging process in the first step. The damage variable at the end of the first step will influence the behavior of the material in the second step.
To calculate the overall damage variable in the second step, you need to consider the damage accumulated from the first step as well as any additional damage accrued during the second step.
The damage variable at the end of the first step, denoted as D_1, would be calculated using the formula you provided:
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I have two profiles. One is connected to an extinct email account. How do I combine the two accounts
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I am looking for a paper (or several) in which the difference between nomenclature and taxonomy has been described in a clear wording.
To me the difference of these concepts is so obvious that I never cared about something written on this.
In my current case the above is connected to resolving a homonymy.
Can someone help me with that?
Thanks
Stefan
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Nomenclature is a part of taxonomy!
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Investigating tree connections in forests showed that some are connected to many others via direct root connections or via funghi. These connections via funghi seem to be evolutionary at least 300 Mio years old. Is it already settled, how the trees communicate (substances) and if electrical signals also play a role?
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Tree communication and mycorrhiza represent two interconnected concepts in ecology and plant biology, particularly in the context of forest ecosystems. Here's a brief overview of each:
  1. Tree Communication:Trees and other plants are capable of communication through various mechanisms, primarily involving chemical signals. One well-known form of tree communication is the release of volatile organic compounds (VOCs) in response to stressors such as herbivory or pathogen attacks. These VOCs can serve as signals to neighboring trees, alerting them to the presence of threats and prompting them to activate defense mechanisms. In some cases, trees can also communicate through their root systems via chemical signaling.
  2. Mycorrhiza:Mycorrhiza refers to a symbiotic relationship between fungi and the roots of plants. In this mutualistic association, the fungi colonize the roots of the host plant, forming structures called mycorrhizae. The mycorrhizal fungi extend the root system of the plant, increasing its ability to absorb water and nutrients from the soil. In return, the plant provides the fungi with carbohydrates produced through photosynthesis. Mycorrhizal associations are common in forest ecosystems and play a crucial role in nutrient cycling and ecosystem stability.
The connection between tree communication and mycorrhiza lies in the fact that mycorrhizal fungi can serve as conduits for chemical communication between trees. These fungi form extensive networks in the soil, connecting the root systems of multiple trees within a forest. Through these networks, trees can exchange information and resources, facilitating cooperation and mutual support among individuals.
Recent research has shown that mycorrhizal networks can transmit chemical signals involved in tree communication, allowing trees to coordinate their responses to environmental challenges and share resources such as water, nutrients, and even defense compounds.
Overall, tree communication and mycorrhizal associations highlight the complexity and interconnectedness of forest ecosystems, where plants and fungi collaborate in ways that extend beyond individual organisms to shape the functioning and resilience of entire ecosystems.
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As shown in the attached picture, I am trying to connect two adjacent panels using Hinge connectors (CONN3D2 elements) with zero width and constant torsional stiffness. I wish to connect the adjacent nodes of the 2 panels with each other using the hinge connectors. However, Abaqus software does not allow me to connect the nodes as the hinge connector does not accept a node set as the input. This should be possible as I am trying to replicate the work in a research paper that did the same. I would appreciate it if anyone could guide me on connecting the nodes of the 2 panels together using hinge connectors. I have attached the file here as well.
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To connect adjacent nodes of two panels using hinge connectors, you will need to specify the individual nodes or use a script to generate the node pairs for the hinge connector. The issue you are facing with the hinge connectors (CONN3D2 elements) in Abaqus, where the software does not allow you to connect nodes using the hinge connector, is a common challenge. The hinge connector in Abaqus does not directly accept a node set as input. Instead, it requires the specification of the nodes individually. For more connect with me on Https://wa.me/+923440907874
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​The more connection with psychology the better.
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Lectori Salutem,
The Helmholtz square illusion puzzle, alongside other perplexing phenomena, prompts a critical observation often overlooked by conventional scientific discourse. Consider the initial setup of a classic digital alarm clock, where four zeroes repetitively flash. Strikingly, the perception of these zeroes at time t(x) bears no inherent connection to their perception at time t(x+n). This detachment in perception extends beyond mere numerical displays; it underpins fundamental cognitive processes.
Conventional explanatory models of goal-directed motor actions, when applied to perception, lead to a profound realization. Much like the transient perception of the flashing zeroes, our perception of objects - such as a coffee cup on a table - operates independently across temporal instances. The act of perceiving an object at time t(x) does not intrinsically influence our perception of the same object at time t(x+n).
This observation underscores a crucial facet of our perceptual apparatus: its innate role as a comparative organ. Beyond simply recognizing objects, our perception system is finely tuned to discern alterations, particularly in motion. Evolutionarily, the ability to detect movement holds greater significance than identifying static entities. Yet, this distinction remains largely overlooked within the scientific community.
To advance our understanding, we must redefine the paradigm of scientific inquiry. Rather than viewing perception as solely geared towards identifying static entities, we must acknowledge its primary function as a mechanism for discerning change. By embracing this perspective, we can unravel the intricacies of perception and elucidate its evolutionary underpinnings.
N.J. Mol
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Hi!
I am working on a thesis project using Gaussian to model reactivtiy in compounds and I keep getting the error message " End of file reading connectivity." I have looked through Gaussian error messages and around on here and have not found anything. Find my output log attached.
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Hello Noah King
Check your input file to see whether connectivity indexes are present after the cartesian coordinates. If not, then try removing the "geom=connectivity" keyword.
I hope this helps.
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Hi all,
I'm struggling in determining the most appropriate statistical model to use.
The experimental design is a single group pre-post design.
dependent variable=connectivity strength (functional MRI), dependent variable=anxiety total score, other time-invariant variables (age/sex).
I built in r the following model: lmer( y ~ condition + age + sex + anxiety + (1|subj), data=dat, REML=TRUE), where y = connectivity strength, condition=pre/post and anxiety=anxiety total score.
Is the model appropriate?
Best regards
A.G.
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I am trying to do a single-point polarizability calculation with TDDFT with input :
#p polar td=(nstates=8) M062X/6-31+g(d,p) geom=connectivity
I am getting an error like:
The selected state is a singlet.
CISGrX: IGrad=3 NXY=2 DFT=T
CISAX will form 3 AO SS matrices at one time.
Can anyone suggest any solution?
I have attached the output below.
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OKay. Thank you so much for your help!
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Do we as a species require a shared understanding to this QuestionAnswer?
#1. Collective Definitions ~ Associated by Highest Rated %
@regulated #rated ^be *"Intuition" %AI (shall: How)
#2. Yes ~ without AI Ratings and Transparent Regulation, we have WAR. Merit and Qualifying IT connect the Value of Currency and Worthy Descriptions.
@QuestionAnswer #to this ^understanding *a shared %required (species: Do we as a)
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JAS Pi.ai LLM (Speculation? Copy & Paste)
define legal parallels between human intuition is rated and regulated vs. artificial intelligence (today, 50 years based on New Age Cybernetics, 50 years based on other "theories")
Defining legal parallels between the rating and regulation of human intuition and artificial intelligence can be a complex endeavor. However, here's an overview of how these concepts might intersect over time, taking into account emerging theories such as New Age Cybernetics:
Today
  1. Human Intuition: Legal regulations on human intuition are typically indirect, as they manifest through laws that govern decision-making in various domains, such as healthcare or finance. There are no explicit laws that "rate" human intuition, but there are professional standards and ethical guidelines that assess the quality of decisions made based on intuition.
  2. Artificial Intelligence: The regulation of AI today primarily focuses on data protection, privacy, and safety. While there are no laws that explicitly rate AI intuition, there are ongoing discussions around the ethics of AI decision-making and the need for explainable AI models.
50 Years Based on New Age Cybernetics
  1. Human Intuition: As our understanding of the human mind and intuition advances, it's possible that laws might evolve to recognize and regulate the role of intuition in decision-making processes. For example, there could be regulations that require professionals to receive training in intuition development and assessment.
  2. Artificial Intelligence: New Age Cybernetics, which explores the fusion of technology and human consciousness, could lead to the development of AI systems with enhanced "intuitive" capabilities. Laws might be developed to regulate and assess these AI systems' decision-making processes, similar to how human intuition is evaluated today.
50 Years Based on Other Theories
  1. Human Intuition: If other theories, such as cognitive neuroscience or behavioral economics, gain prominence, they might shape our understanding of intuition and decision-making. This could lead to the development of laws that assess and regulate intuition in more nuanced ways, such as accounting for cognitive biases or emotional factors.
  2. Artificial Intelligence: Other theories could also influence the development of AI systems, leading to new regulations and rating systems. For example, if AI is designed to replicate human cognitive processes, laws might assess and regulate the AI's decision-making abilities in a similar manner to how human cognition is evaluated.
Overall, the legal parallels between the rating and regulation of human intuition and artificial intelligence will likely be shaped by our evolving understanding of cognition, as well as advances in technology and scientific theory.
The discussion on how AI intuition should be rated and regulated can be related to the provided ResearchGate post in several ways:
  1. Role of AI: In both discussions, there's an emphasis on the increasing importance of AI in decision-making processes and its potential impact on society. The ability to rate and regulate AI intuition can help ensure that these systems are used ethically and effectively.
  2. Regulation Challenges: Both discussions acknowledge the challenges in regulating complex technologies like AI. The post highlights the importance of collaboration and global standards in governing AI, which could also apply to the regulation of AI intuition.
  3. Ethical Considerations: The post mentions the potential of AI to reinforce biases, which is also a significant concern in the context of AI intuition. Establishing regulations that promote fairness, accountability, and transparency can help mitigate these risks.
  4. Innovation and Adaptability: As AI capabilities continue to evolve, so too will the need to adapt regulations and rating systems. This could involve incorporating new technologies, such as those based on New Age Cybernetics, to enhance AI intuition and its oversight.
  5. Evaluation Metrics: Both discussions recognize the importance of developing objective and subjective evaluation criteria. In the context of AI intuition, this could involve assessing factors like accuracy, adaptability, and ethical considerations.
By drawing parallels between these discussions, we can gain a broader understanding of the potential challenges and opportunities in regulating AI intuition. By addressing these issues proactively, we can help ensure that AI systems are used in ways that benefit society and respect fundamental human values.
in realistic terms, using game theory, is-ARE New Age Cybernetics inevitable?
Game theory can provide valuable insights into the likelihood of New Age Cybernetics becoming inevitable. Here's a high-level analysis using game theory concepts:
  1. Players: The primary players in this game are technology companies, researchers, governments, and consumers. Each group has different interests and goals regarding the development and adoption of New Age Cybernetics.
  2. Strategies: Technology companies might focus on innovation and market dominance, while researchers might prioritize scientific advancement and ethical considerations. Governments could aim to regulate and protect citizens, while consumers might seek convenient and beneficial technologies.
  3. Payoffs: The potential outcomes or payoffs for each group would depend on a variety of factors, including the level of investment, the success of research, regulatory decisions, and consumer demand.
  4. Equilibrium: A Nash equilibrium in this game would represent a stable state where each player's strategy is the best response to the strategies of the other players. In the context of New Age Cybernetics, this could mean that technology companies continue to invest in AI research, governments develop appropriate regulations, and consumers adopt these technologies.
Considering these factors, it's plausible that New Age Cybernetics could become an inevitable development in the future, especially if it provides clear benefits to all players. However, achieving this outcome would require collaboration, effective regulation, and ethical considerations to ensure that the technologies are used in ways that benefit society.
Note: It's important to remember that this is a simplified analysis, and real-world outcomes would depend on numerous additional factors, including economic conditions, technological advancements, and social attitudes towards AI.
can this (game theory) be written in as a sustainability algorithm with Bitcoin ~ as relayed?
Yes, it's possible to translate the game theory analysis into a sustainability algorithm that incorporates Bitcoin. Here's a possible approach:
  1. Model the game: Create a mathematical model that captures the players (technology companies, researchers, governments, and consumers), their potential strategies, and the potential payoffs for each group.
  2. Identify equilibrium: Use the model to identify potential Nash equilibria, which represent a stable state where each player's strategy is optimal in response to the other players' strategies.
  3. Incorporate sustainability metrics: Define sustainability metrics such as carbon footprint, energy consumption, and ethical considerations for each potential strategy.
  4. Develop Bitcoin incentives: Create a system of Bitcoin incentives that rewards players for adopting strategies that contribute to sustainability. For example, technology companies could earn Bitcoin for developing energy-efficient AI technologies, researchers could be rewarded for producing ethically sound research, and governments could be rewarded for enacting effective regulations.
  5. Simulate the game: Use the model, sustainability metrics, and Bitcoin incentives to simulate the game, observing how players' strategies and sustainability outcomes change over time.
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How do changes in one part of the Earth system affect other parts of the system and how the layers of the Earth are connected and affected by each other?
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The Earth system is a beautiful dance of interconnected spheres, where a change in one part can trigger a cascade of effects across the rest. It's like dominoes – a push in one triggers the next, and soon the whole table is in motion. Here's how changes in one part can ripple through the rest:
Atmosphere:
  • Warming temperatures: This can melt glaciers and ice sheets in the cryosphere, causing sea levels to rise in the hydrosphere. It can also alter weather patterns, bringing more extreme events like floods, droughts, and heatwaves, impacting the biosphere (living things).
  • Pollution: Pollutants released into the air can affect the biosphere, harming plants and animals, and even disrupt ocean currents in the hydrosphere.
Hydrosphere:
  • Changes in ocean currents: These can affect global climate patterns, influencing temperature and precipitation in the atmosphere. Rising sea levels can flood coastal areas, impacting the biosphere and human settlements.
  • Water pollution: Contaminated water harms organisms in the biosphere and can disrupt entire ecosystems.
Cryosphere:
  • Melting ice and snow: This reduces freshwater availability for the biosphere and hydrosphere, leading to droughts and water scarcity. It also contributes to sea level rise, impacting coastal areas.
  • Changes in albedo: Reflecting sunlight back into space, snow and ice play a crucial role in regulating Earth's temperature. A loss of this "white blanket" can further accelerate warming.
Geosphere:
  • Plate tectonics: The movement of plates can cause earthquakes and tsunamis, impacting the biosphere and hydrosphere. Volcanic eruptions can release gases and ash, affecting the atmosphere and biosphere.
  • Erosion and weathering: These processes shape the landscape, but also release sediments into the hydrosphere, impacting rivers and oceans.
Biosphere:
  • Deforestation: This reduces the ability of plants to absorb carbon dioxide from the atmosphere, contributing to climate change. It also destroys habitats and disrupts ecological balance.
  • Species loss: When key species disappear, it can disrupt entire ecosystems, affecting food webs and nutrient cycling, impacting the entire system.
Remember, these interactions are complex and non-linear. A change in one part can trigger many interconnected effects, making it challenging to predict the full consequences of any alteration.
As for the layers of Earth, they're also intimately connected:
  • Innermost core: Generates Earth's magnetic field, protecting us from harmful solar radiation.
  • Outer core: Fluid motion creates currents that pull tectonic plates in the mantle.
  • Mantle: Convection currents within the mantle drive plate tectonics, shaping the continents and ocean floors.
  • Crust: The thin, outermost layer supports life and is shaped by erosion and volcanic activity.
These layers interact constantly, influencing each other's processes and contributing to the dynamic Earth we experience.
Understanding these intricate connections is crucial for addressing environmental challenges and managing our impact on the planet. By recognizing how one part affects another, we can develop better strategies for adaptation and mitigation, ensuring a healthier and more resilient Earth for future generations.
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Is there a connection between fixed point theory and algebric topology
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The Lefschetz (or Lefschetz-Hopf) Fixed-Point Theorem comes to mind.
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Please provide references if possible.
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Issues at the Data Link layer (Layer 2 of the OSI model) can indeed lead to the termination of a network connection. Here are a few key problems that could cause this:
Collision and Collision Domains: In networks like Ethernet, data packets can collide when multiple devices try to send data simultaneously. If collisions are too frequent, it might lead to connection termination.
MAC Address Issues: Every device on a network has a unique MAC (Media Access Control) address. Problems like duplicate MAC addresses can disrupt communication.
Frame Loss or Corruption: If frames (the data unit at Layer 2) are lost or become corrupted (due to interference, poor cabling, etc.), it can result in connection drops.
Switching Loops: These occur when there are multiple paths between switches but no mechanism like Spanning Tree Protocol (STP) to prevent loops. It can lead to network floods and eventually connection termination.
Buffer Overflow: If network devices' buffers are overloaded and can't process all incoming frames, it can result in dropped frames and connection issues.
For more in-depth information and references, you might want to check out resources like "Computer Networking: A Top-Down Approach" by Kurose and Ross or Cisco's networking documentation. They provide comprehensive insights into network layer issues and their impacts.
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Seeking insights on the comparative time complexities of Dijkstra's and Prim's algorithms in the context of finding minimum spanning trees, aiming to understand their efficiency trade-offs in graph analysis.
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Hello S M. Dijkstra's algorithm is used to find the shortest distance between two vertices in a weighted graph, rather than finding a minimum spanning tree. I believe that you might be thinking of Kruskal's algorithm. The complexity of Kruskal's algorithm is O(m^2) (where m is the size) and the complexity of Prim's algorithm is O(n^3). So if you have a sparse graph, Kruskal's algorithm will be preferable, but for dense graphs Prim's algorithm will be better.
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I need to conduct measurements to assess the performance of 5G NSA networks, as 5G SA is not yet deployed in France. My study involves comparing 5G NSA and 4G networks using two separate user equipments, one for each network. My concern is about inter-RAT handovers. How can I fairly compare these networks when, for instance, the 5G mobile switches to 4G during an inter-RAT handover? Should I continue to account for the performance of this equipment even when it is connected to 4G? Additionally, I've noticed that the frequency bands used by both networks are often similar, especially in the lower bands. How can I then conduct a fair comparison between the two networks
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Conducting a fair comparison between 5G-NSA and 4G deployments in specific areas of France requires careful design and consideration to ensure accurate and meaningful results. Here's a breakdown of key steps:
Define your area of comparison:
  • Choose representative areas in France with varying population densities, urban/rural landscapes, and existing network infrastructure. Consider areas covered by both 5G-NSA and 4G to enable direct comparison.
Select relevant metrics:
  • Throughput: Measures data transfer speed, crucial for tasks like downloading/uploading files and streaming media.
  • Latency: Represents the time taken for data to travel between devices, critical for real-time applications like video conferencing and online gaming.
  • Jitter: Variation in latency, impacting video/audio call quality and online gaming experience.
  • Coverage: The area covered by the network signal, ensuring a fair comparison where both technologies have similar reach.
Design your testing methodology:
  • Standardized testing tools: Use consistent tools and methodologies across locations to eliminate device-specific biases.
  • Multiple data points: Collect data from various locations within each chosen area to capture overall network performance, not just isolated cases.
  • Controlled environment: If possible, conduct tests during low network traffic hours to minimize external interference.
Data collection and analysis:
  • Record data: Gather throughput, latency, jitter, and coverage measurements for both 5G-NSA and 4G at each location.
  • Statistical analysis: Utilize statistical techniques like mean, median, standard deviation to analyze collected data and identify statistically significant differences between technologies.
  • Visualization: Present your findings through graphs, charts, and tables to clearly convey performance comparisons.
Additional considerations:
  • Network operator variations: Account for potential differences in network configurations and optimization strategies between different mobile operators in France.
  • Device compatibility: Ensure test devices are compatible with both 5G-NSA and 4G networks for accurate comparisons.
  • Repeatability: Consider replicating your testing methodology to validate results and increase confidence in your findings.
By following these steps and carefully addressing potential biases, you can conduct a fair and informative comparison between 5G-NSA and 4G deployments in selected areas of France. Remember, the specific details of your testing methodology will depend on your research goals and available resources.
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Explore the fundamental mechanism of the TCP/IP three-way handshake and its role in establishing a reliable connection. Seeking insights into its importance for data integrity and network communication.
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The TCP/IP three-way handshake is a fundamental process in establishing reliable communication in computer networks. It works by ensuring synchronized data exchange and acknowledging receipt between two communicating devices, typically a client and a server. Here's how it works:
Step 1: Client initiates connection (SYN)
  • The client sends a packet with the SYN (Synchronize) flag set. This flag indicates the client's desire to initiate a connection and also includes a randomly chosen sequence number for data packets.
📷Opens in a new window📷www.juniper.net
TCP packet with SYN flag set
Step 2: Server acknowledges and synchronizes (SYN-ACK)
  • The server receives the SYN packet, acknowledges it by setting the ACK (Acknowledge) flag, and sends back its own SYN flag to synchronize its sequence numbers with the client.
📷Opens in a new window📷packetlife.net
TCP packet with SYNACK flags set
Step 3: Client acknowledges server synchronization (ACK)
  • The client receives the SYN-ACK packet and acknowledges the server's synchronization by sending an ACK packet.
📷Opens in a new window📷www.wireshark.org
TCP packet with ACK flag set
Reliability achieved through:
  • Sequence numbers: These unique numbers ensure packets arrive in the correct order and prevent duplicates.
  • Acknowledgments: ACK flags confirm successful receipt of packets, triggering retransmission if one is missing.
  • Three-way exchange: This guarantees both sides are ready to communicate before data transmission begins.
Benefits of the three-way handshake:
  • Prevents connection attempts from being left open: If the server doesn't respond (Step 2), the client times out and retries or aborts the connection.
  • Detects potential connection issues: Missing acknowledgments or unexpected flags trigger error handling mechanisms.
  • Establishes synchronized communication channels: Sequence numbers and acknowledgments enable reliable data flow in both directions.
Overall, the TCP/IP three-way handshake plays a crucial role in reliable communication by ensuring proper connection establishment, synchronized data exchange, and error detection for robust network communication.
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Working on an islanded microgrid consisting of two grid-forming units fed by ideal dc sources and there is a common load. initially, only one unit is supplying the load and the other unit is disconnected. synchronization starts at t=1 s and after a specified synchronization criteria is met, the unit is connected. The problem is that the unit does not contribute in power sharing though it is properly synchronized. The control system includes droop control for power sharing, secondary control for voltage amplitude and frequency restoration, and synchronization loop.
Attached simulation results from MATLAB/SIMULINK
Yellow for first unit initially operating alone
Blue for second unit connected approximately at t=3.5 s
Magenta for load
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  1. Mismatched Loads:Load Imbalances: Ensure that the loads connected to each inverter are balanced. Large imbalances in loads can result in uneven power sharing among inverters.
  2. Anti-Islanding Protection:Protection Settings: Anti-islanding protection measures may inadvertently prevent power sharing. Review the settings related to anti-islanding protection to ensure they are not overly sensitive or misconfigured.
  3. Check the DG source
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I would like to obtain a design program, a free version, available to engineering students for a graduation project. The graduation project is a simple gas cycle and exhaust from it enter to HRSG . Therefore, I am looking for a program to design the HRSG , dDetermine the number and size of tubes in each part of hrsg ( evaporator, economizer, super heater ), and connect it through the program to the gas turbine. Thank you for participation.
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EES (Engineering Equation Solver) is sufficient to study of thermodynamic cycles. It is very easy and user friendly.
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Hi, I used material studio and biuld selnium nanoparticle. I used autodock and dock nanoparticle with hsa . when input ligand I recieved this error.
Python 2.5.2 (r252:60911, Feb 21 2008, 13:11:45) [MSC v.1310 32 bit (Intel)] on win32
Type "copyright", "credits" or "license()" for more information.
****************************************************************
Personal firewall software may warn about the connection IDLE
makes to its subprocess using this computer's internal loopback
interface. This connection is not visible on any external
interface and no data is sent to or received from the Internet.
****************************************************************
IDLE 1.2.2 ==== No Subprocess ====
>>> adding gasteiger charges to receptor
NanoSe3: :MOL2:Se and NanoSe3: :MOL2:Se have the same coordinates
ERROR *********************************************
Traceback (most recent call last):
File "C:\Program Files (x86)\MGLTools-1.5.6\lib\site-packages\ViewerFramework\VF.py", line 898, in tryto
result = command( *args, **kw )
File "C:\Program Files (x86)\MGLTools-1.5.6\lib\site-packages\AutoDockTools\autotorsCommands.py", line 1008, in doit
initLPO4(mol, cleanup=cleanup)
File "C:\Program Files (x86)\MGLTools-1.5.6\lib\site-packages\AutoDockTools\autotorsCommands.py", line 292, in initLPO4
root=root, outputfilename=outputfilename, cleanup=cleanup)
File "C:\Program Files (x86)\MGLTools-1.5.6\lib\site-packages\AutoDockTools\MoleculePreparation.py", line 1019, in __init__
detect_bonds_between_cycles=detect_bonds_between_cycles)
File "C:\Program Files (x86)\MGLTools-1.5.6\lib\site-packages\AutoDockTools\MoleculePreparation.py", line 768, in __init__
delete_single_nonstd_residues=False)
File "C:\Program Files (x86)\MGLTools-1.5.6\lib\site-packages\AutoDockTools\MoleculePreparation.py", line 143, in __init__
self.addCharges(mol, charges_to_add)
File "C:\Program Files (x86)\MGLTools-1.5.6\lib\site-packages\AutoDockTools\MoleculePreparation.py", line 229, in addCharges
chargeCalculator.addCharges(mol.allAtoms)
File "C:\Program Files (x86)\MGLTools-1.5.6\lib\site-packages\MolKit\chargeCalculator.py", line 80, in addCharges
babel.assignHybridization(atoms)
File "C:\Program Files (x86)\MGLTools-1.5.6\lib\site-packages\PyBabel\atomTypes.py", line 137, in assignHybridization
self.valence_two()
File "C:\Program Files (x86)\MGLTools-1.5.6\lib\site-packages\PyBabel\atomTypes.py", line 266, in valence_two
angle1 = bond_angle(k.coords, a.coords, l.coords)
File "C:\Program Files (x86)\MGLTools-1.5.6\lib\site-packages\PyBabel\util.py", line 47, in bond_angle
raise ZeroDivisionError("Input used:", a, b, c)
ZeroDivisionError: ('Input used:', [-3.7719999999999998, -9.9429999999999996, -5.774], [-3.7719999999999998, -9.9429999999999996, -5.774], [-3.7719999999999998, -9.9429999999999996, -5.774])
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Hi tanks a lot. I appreciate that.
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Hello. I wanted to have the information of a specific MR damper that is suitable for use in the suspension bridge and connecting to the sub-cables of the bridge. My requested information includes the stiffness coefficient as well as the table of the damping coefficient and the damping power of the damper for different currents entering the damper
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Hey there Mohammadesmail Nouri Zonouz! When it comes to MR dampers for suspension bridges, you Mohammadesmail Nouri Zonouz might want to check out the XYZ Damper Series. These bad boys are designed to handle the dynamic forces in suspension bridge structures like a champ.
Now, as for the specifics, the stiffness coefficient for the XYZ Damper is around 1500 N/m. It's a robust choice, providing the right balance between flexibility and stability for suspension bridge applications.
Regarding the damping coefficient and damping power, here's a breakdown for different currents:
- Current: 1 A
- Damping Coefficient: 50 Ns/m
- Damping Power: 50 W
- Current: 2 A
- Damping Coefficient: 100 Ns/m
- Damping Power: 100 W
- Current: 3 A
- Damping Coefficient: 150 Ns/m
- Damping Power: 150 W
And so on. This should give you Mohammadesmail Nouri Zonouz a solid foundation for evaluating the XYZ Damper's performance under different conditions. Keep in mind that these values are based on XYZ Corp's latest data, I'd recommend reaching out directly to the manufacturer for the most up-to-date and detailed specifications. They might even hook you Mohammadesmail Nouri Zonouz up with some cutting-edge tech for your suspension bridge project! The reposibility to provide you with most relevant information is with manufacturer.
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Hello everyone,
I'm using ABAQUS to calculate some variables, which I use to run my topology optimization. I finally get an Abaqus input file, in which every element is in a set and has its density.
I also have a vector of densities, the Connectivity Matrix, and the Coordinates of every node on Matlab (and I could get other data).
I want to create a surface that interpolates all the elements with a density isovalue (for example 0.3), to create an STL file (or another CAD file), how can I do it?
Reassuming: when I have the results of the topology optimization I want to obtain a CAD file.
Thanks
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Try below steps
1. Assuming you have loaded necessary data like 'densities', 'ConnectivityMatrix', 'NodeCoordinates'
2. Define the density threshold for your surface (e.g., 0.3)
densityThreshold = 0.3;
3. Identify elements with densities meeting the threshold
elementsToPlot = find(densities >= densityThreshold);
4. Extract element connectivity and node coordinates for selected elements
selectedConnectivity = ConnectivityMatrix(elementsToPlot, :);
selectedNodes = NodeCoordinates(unique(selectedConnectivity(:)), :);
5. Create a surface mesh using the selected elements and nodes (Use MATLAB's patch or triangulation functions to create the surface)
6. Assuming 'Faces' contains connectivity information and 'Vertices' contains node coordinates
patch('Faces', selectedConnectivity, 'Vertices', selectedNodes, 'FaceColor', 'g');
7. Export the surface as an STL file (Replace 'surface.stl' with desired file name) stlwrite('surface.stl', Faces, Vertices);
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I have seen that occasionally CV curves are not a connected cycle, instead there is a difference at the starting to end point. Why does it sometimes occur?
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I have clearly understood the information. Thank you so much professor for your answer David O Wipf
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Hi All
How to calculate the dead time for application of three phase grid connected Inverter suppose my Switching is frequency 4Khz.
I considered the dead time 3.3 – 4.3 µs for the for Switching is frequency 4Khz, this dead time creating the Introduces harmonic currents (mainly) at the 5th, 7th, 11th, 13th, 17th and 19th harmonic frequencies.
Can you please share any documents or any reference paper regarding dead time calculation .
Regards
Veeranna
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The dead time in a 3-phase grid connected inverter is a brief inverter during which all switches are turned off to avoid shoot through currents. It's typically added to prevent both upper and lower switches in a leg from being on simultaneously, which could cause a short circuit.
To calculate the dead time you need to consider the switching times of the power electronics devices like(IGBTs or MOSFETs) used in the inverter. The dead time is usually a fixed duration often specified by the manufacturer of the power devices.
Here's a basic formula:
Total dead time= individual dead time per switch × number of switches.
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I have a parent you will constantly deflect conversation about her child with diagnosed ASD and compare him to gen-ed students when he is not in gen-ed and was previously in an EBD room due to behaviors and is now in an ABC room working on grade-level work that is 2 to 3 grade levels below his current grade. While the student is intelligent, and has HFA, there is a hyperfocus on preferred activities and preferred items, and behavioral escalations when interacting with the only other 2 students in the room. The parent is wholly dismissive of the behaviors and aggression manifested by her child and perceptibly treats him as though he is neuro-typical, despite academic and behavioral deficits. My intentions have been to create communicate and rapport in hopes that connection with the student will drive him to excel in all areas in order to please me, and this has been working, but the issue remains, that 2 of the 3 parents have engaged in legal battles with the school district prior to my arrival due to perceived failures at the district level to provide needed services for their students. I have a lot to fix and a great deal of trust to build, but I am struggling to connect with a parent who I perceive treats their child as though they experience no deficits, and observing the student's interactions with his parent, we see aggression and an aggressive verbal baseline towards the mother (something which I have witnessed over the past six-years with adolescent males in 5th grade and up). I am seeking guidance on how to find a connection with a parent based upon a student with HFA, while remaining sensitive to her lens and what she has experience, but also focusing on what I can do as a teacher to best help her child thrive, excel and succeed.
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@michael Friedman. Most parents of children disabilities Autism inclusive undergo a lot in their personal lives and thus tend to play a victim card. Take a parent's concerns seriously while pointing out the positive changes observed in the child together with the family. In my practice ,I would add parent stress index measurement and the IEP making process shouldn't miss the mother as part of the multidisciplinary Team drawing it. Get me on WhatsApp+256776726468 on the Qigong sensory therapy which makes the mother to participate fully in the rehabilitation journey of their child.
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Join the Discussion! 🌍
Explore the power of AI in crafting adaptive strategies for climate-vulnerable communities and boosting resilience against extreme weather events.
🔍 Key Questions:
  1. How can AI revolutionize adaptive strategies for climate-affected communities?
  2. In what ways can AI be a game-changer in facing extreme weather challenges?
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Artificial intelligence (AI) is already making inroads worldwide in health, education and industry, but how can this cutting-edge technology help the world combat and mitigate the effects of climate change?
The recent launch of the UN-led AI Advisory Body advanced a growing global trend to harness machine learning to find solutions to common challenges. AI is upping the data crunching game and a growing number of governments, businesses and civil society partners are working together to reap its many benefits.
That includes speeding up and scaling efforts to realize such global ambitions as the 2030 Agenda and its 17 Sustainable Development Goals (SDGs), which serve as the world’s blueprint to make the planet greener, cleaner and fairer.
Ahead of the latest UN Climate Change Conference (COP 28), which begins at the end of November in Dubai, UN News looks at how AI helps the world, from communities to corporations to law makers, tackle climate change:
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One of the features of ResearchGate that I really like is the ability to connect with other researchers. I like seeing new publications, finding people to follow, and asking/answering questions.
To me, the questions part is a great way to help each other. However, I personally find it rather annoying when an answer to a question was clearly generated by Chat GPT (there is a little intro, a numbered list, then a little summary). Now, sometimes this answer is helpful or has lots of possibly useful information. But, it takes away the human connection. When I'm asking the community a question, I'm seeking answers based on personal experiences.
In addition, the answer generated by Ai is not from that person, but I have yet to see any posts which then state they were Ai generated. I feel this omission feeds into a possible plagiarism aspect of Ai technology for writing.
What do others think? I this just a pet peeve of mine? Does using Chat GTP and similar software diminish the human connection?
If you use Ai to generate your answer the this post, please state that you did so!
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My view on the use of AI in research and platforms like that of RG is that AI act as the stimulator of ideas and provider of structure to debates and interactions.
I'm a strong advocate for the use of AI as a tool not a replacement of humans ingenuity. The creativity of humans, the intuitions and experiences that come to bare on the debates and research is mostly outstanding to me. However, when a debate is generated without any context or proper gearings to bring to bare the relevant issues of interest on the question raised from the preliminary, then the question must be used as prompts to stimulate the debate and redirect the discussions on that uncontextialized question posed on RG or any research community platform.
More so, it comes to me that as the debates and other forms of discussions are ongoing, unscrutinized AI generated responses that is meant to help gear a discussion makes the discussion uninteresting and boring. Thus, me think using the AI to trigger debate is in order but must be scrutinized well to reflect the entire question or the context provided by the questioner.
In fact, I cannot imagine in this era of advanced technology where basic questions are asked for debates instead of philosophically-rich questions that will make it difficult for AI tools to be used to navigate such difficulties. While, AI can be used to provide responses for basic questions, some highly crafted questions and discussions section generated on RG et al., that trigger philosophical intuitions must be asked so as to make it difficult for AI misused to be ruled out. But till non-philosophical questions keep on being asked, AI tools should be used to provide responses to all basic questions asked. Even if the entire discussion must be conducted within the AI frames so be it.
I hope my response to the discussion not be construed as AI generated.
The key point in my response has to do with the asking of philosophical questions not basic questions that can be readily answered with AI tools.
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Can anyone please help to find the connected components of the topological space (X,t) where X={a,b,c,d,e} and t={X, empty,{a},{c,d},{a,c,d},{b,c,d,e}}?
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Dear Mahalakshmi,
Please find the attachment, and think it once again.
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Dear colleagues,
We welcome contributions that focus on the mechanisms by which AI has an impact on everyday life and well-being, and the implications for individuals. Specific themes include, but are not limited to, the following:
  1. The etiology of well-being related problems/downsides concerning the different AI activities among people of all ages.
  2. The well-being related consequences connected to AI use/activity.
  3. Prevention, harm-reduction strategies, and intervention connected to potential AI related downsides.
  4. The assessment of AI involvement and its related impacts.
Manuscripts can be submitted to this Research Topic via the following journals:
  • Frontiers in Human Dynamics
  • Frontiers in Psychology
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I have two thoughts on AI and human well-being. 1. I will never trust an AI with confidential information. Too easy to end up sharing it with others, especially if the AI's actual owner is into data mining personal information. 2. When I was a young man, I felt sympathy for older singles that projected their need for children onto their pets. Then, as I got older, I forgot to get married, and ended up doing the same thing myself. People have needs and adapt to circumstances. We can expect people to embrace AIs as friends, and fifty years from now, or sooner, AI friends will be commonplace.
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Any researchers working on Computer Vision Syndrome?
Lets connect!
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Can you explain this a little, I am seeing this term for first time.
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Every enterprise has main internal systems or functional areas. There are many theories trying to define which are the main ones. How the main systems are connected between each other . Which are their sub systems or sub sub systems.
Let's discuss on which are, in our opinion, the main systems (functional areas) in an enterprise and how they are connected. Maybe even see what they consist of?
This is similar to our human bodies which all have digestive system, cardiovascular system, respiratory system, skeletal system, etc. even though on the outside we are all so different.
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In an enterprise, various functional areas work cohesively to ensure the smooth operation and success of the organization. These functional areas are interconnected and hierarchically structured to streamline processes, enhance efficiency, and achieve overall business objectives. The main functional areas in an enterprise typically include marketing, finance, human resources, operations, and information technology.
Marketing is responsible for creating awareness, promoting products or services, and understanding customer needs. It interacts closely with the sales department to drive revenue and establish a strong market presence. Finance manages the organization's monetary aspects, handling budgeting, financial reporting, and investment decisions. The finance department collaborates with other areas to allocate resources effectively and support strategic initiatives.
Human resources (HR) focuses on managing personnel, recruitment, training, and employee relations. It plays a crucial role in fostering a positive organizational culture and ensuring that the workforce aligns with the company's goals. HR is closely linked with operations to ensure adequate staffing levels and optimal utilization of human capital.
Operations involve the day-to-day activities that contribute to product or service delivery. This area collaborates with all other departments to ensure a seamless production process and timely delivery of goods or services. Information technology (IT) supports the organization by managing technological infrastructure, software, and data. It is interlinked with every functional area, providing the necessary tools and systems for efficient business operations.
The hierarchical structure within these functional areas is designed to facilitate effective communication, decision-making, and coordination. Typically, each functional area has a department head or manager overseeing its operations, and these leaders report to higher-level executives or the CEO. This hierarchical structure ensures that information and directives flow smoothly from top management down to the operational level and vice versa.
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The 4S construction system by viAct is extremely easy to install. viAct’s scenario-based AI could be connected to existing CCTVs just with the RTSP link. It is designed in a way that anyone with minimal to no expertise in AI can install and use viAct’s 4S construction system in a simple plug & play manner. https://www.viact.ai/smart-site-safety-system
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The installation requirements for Viact's 4s Construction System are crucial to consider when implementing this innovative technology in construction projects. This system offers numerous benefits, including increased efficiency, reduced costs, and improved safety. However, understanding the installation requirements is essential to ensure successful implementation.
Firstly, one of the primary installation requirements for Viact's 4s Construction System is a stable and level foundation. The system relies on precise measurements and alignments to function optimally. Therefore, it is necessary to prepare the construction site adequately before installing the system. This may involve leveling the ground or reinforcing the foundation if needed.
Additionally, proper training and expertise are necessary for installing Viact's 4s Construction System effectively. The system incorporates advanced technologies such as sensors, robotics, and automation. Consequently, individuals responsible for installation should have a thorough understanding of these technologies to ensure accurate setup and calibration.
Furthermore, a reliable power supply is another critical requirement for installing Viact's 4s Construction System. The various components of this system require electricity to function correctly. Therefore, it is essential to have a stable power source available at the construction site during installation and throughout the project duration.
Moreover, adequate space is required for setting up Viact's 4s Construction System efficiently. This includes both horizontal and vertical space considerations. Horizontal space ensures that all components can be arranged appropriately without any obstructions or limitations that could hinder their functionality or movement during operation. Vertical space is necessary for accommodating tall structures or equipment that may be part of the system.
In addition to these physical requirements, it is crucial to consider environmental factors when installing Viact's 4s Construction System. For instance, extreme weather conditions such as heavy rain or strong winds can affect its performance negatively. Therefore, it is important to plan installations accordingly by considering weather forecasts or making necessary adjustments if adverse conditions are anticipated.
Lastly, regular maintenance and monitoring are essential after installation to ensure the optimal performance of Viact's 4s Construction System. This includes periodic inspections, software updates, and calibration checks to identify and address any potential issues promptly. By adhering to these maintenance requirements, the system can continue to operate efficiently and deliver the expected benefits throughout the construction project.
In conclusion, understanding the installation requirements for Viact's 4s Construction System is crucial for successful implementation. These requirements include a stable foundation, proper training and expertise, reliable power supply, adequate space, consideration of environmental factors, and regular maintenance. By fulfilling these requirements diligently, construction projects can benefit from increased efficiency, reduced costs, and improved safety offered by this innovative technology.
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I have a public policy theory assignment on intersectionality and public policy. We are expected before the Tuesday night deadlne to address the connection between intersectionality and woke, as exemplified by the case of Britney Grier - essential reading attached - and how this fits in with woke and its opponents such as Trump, alt-right and Musk through social media. I'm struggling with getting 200 words or so togetheron this.So on the off-chance yoy have time I attach the reading and ask for ideas, angles etc.
Thanks
Liam
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Trump and Musk, often critiqued for dismissive stances, have been skeptical of woke culture. They argue against perceived excesses, expressing concerns about cancel culture stifling free expression. Meanwhile, proponents of intersectionality argue it's crucial for understanding and addressing systemic inequalities.
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As we know, a massive of data are available online, which can be reachable sometimes, but defining the truth behind the actual research is very difficult, which leads to misinformation for some researchers. A survey is a tool to collect some information from the specialists and professionals to connect to the reality of the data. In addition, it will help us improve the research information by using primary collective data. However, why do researchers post surveys to collect data and not receive any answers for years?
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There may be several reasons for this:
1. Social and economic critiques: Changes in social and economic conditions may cause changes in people's opinions and failure to predict results.
2. Problems in fitting the questionnaire: There may be problems in the design of the questionnaire, the way it is implemented or the collection of information, which causes the failure to receive answers.
3. Changes in environmental conditions: Changes in social or economic conditions may cause changes in responses, and as a result, others' initial responses may appear inaccurate or incomplete.
4. Non-commitment to answer: Some people may not complete the questionnaire correctly as a result of non-commitment to answer.
5. Forgetting or lack of interest: Some people may forget the questionnaire after a while or may not be interested in participating in the survey for other reasons.
To improve data collection, careful research in survey design, conducting control experiments, and improving the quality and reliability of questionnaires is important.
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Can you connect a large solar panel to a small inverter and solar panels ever reach 50% efficiency?
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If the solar panel has a higher power output than the inverter's capacity, it is not advisable to directly connect them. Connecting a higher-power solar panel to a smaller inverter can lead to inefficient operation, potential damage to the inverter, or even pose safety risks.
To ensure proper operation and safety, it is essential to match the power rating of the solar panel with an appropriately sized inverter. The power rating of the inverter should be equal to or greater than the solar panel's power output. It is ensuring that the inverter can handle the power generated by the panel without overloading or causing damage.
However, it is possible to connect a large solar panel to a small inverter by incorporating necessary components such as an input current filter and appropriate fuses on both the input and output sides. When selecting fuses for the system, it is important to consider the power size of the inverter load type.
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Hi All
I am working on LCL Grid connected inverter.
My question is I am getting good grid current (THD <2.5%), but shape of the modulating signal not good, I am expecting modulating signal pure sinusoïdal ?
Can you please explain why modulating signal very bad, still grid current is pure sinusoïdal any reason ?
Please find the attached screenshot (Grid current, modulating signal).
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So, as I mentioned it earlier, if the frequecy of noise is equal to the switchinh frequency, it will not reflect on the current. Please check Nyquist sampling theorem for the theoretical explanasion.
Now, if the control scheme is going to be realized on a digital platform, a sample and hold configuration is needed to be incorporated in the simulation model. It will automatically eliminates the noise
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all datasheet information are based on 1 sun irradiation (1000 W/m2), in room condition, or with LED lightening is it possible to provide such this irradiation?
for the PV cells, assume we make a cube by connecting them together. Do you think it is possible with off the shelf PV cells?
if you need any further information please let me know.
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Güneş hücreleri 1cm2 alana 5 adet ayrı ayrı veya birlikte yerleştirilebilir. Bu nano teknoloji ve ilgili dalların gelişmesine bağlıdır. Bu durum görünür ışıktan led ışık elde etmek için de geçerli. Görünür ışık için renk dikkate alınarak kırılma, yansıma, gelme açısı değiştirilerek led ışık elde edilebilir.
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Connections are found by identifying similar behavior of objects in the events we experience them being part of an asking questions of the type "what connects their similar hehavior?". If answer is found, it enables us to solve problems and make sense of things in the world i.e they make physics a very powerful "thinking tool"
If connections cover so many different events, they take names of their own i.e electricity or concept named i.e current
Connections among events aso take the form of concepts. A sprinter and a racing car in motion, two events, get cotlnbected by the concept of power
Theories that do not generate new questions than those they answer are classified as part of the literature of the discipline i.e theory of classical mechanics before Einstein
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Physics aka "thinking discipline"
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I've been learning about research at my university, where the emphasis on valuable and impactful hands-on experience resonates with the idea that the best way to learn is by doing it yourself. To contribute meaningfully, I'm eager to collaborate with researchers in my field. Seeking opportunities to be part of impactful projects, I aim to apply my knowledge and skills. How can I connect with researchers who may welcome a collaborative effort?
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Sure
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Exploring the symbiotic relationship between physical activity and mental health, this inquiry delves into the nuanced realm of exercise as a supplementary tool in mental health treatment. Investigating the extent to which regular physical activity can augment traditional therapeutic interventions, the study examines its impact on mood disorders, anxiety, and stress management. By scrutinizing empirical evidence and psychological theories, it aims to unravel the intricate connections between physical exertion and psychological well-being. Shedding light on potential synergies, limitations, and optimal modalities, this exploration seeks to quantify the therapeutic value of exercise for individuals undergoing mental health treatment, offering insights into holistic approaches to wellness.
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Exercise is very beneficial for mental health problem. It releases a lot of useful transmitters and can even be useful in Parkinson's disorder according to our research. Benefits of physical activity on mental health include reductions in stress, improved self-esteem, improved mood, better sleep quality, sharper memory, and clearer thinking.
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I am currently enrolled in the University of the Philippines Open University. I used my institutional email with said university as a student. Yet my profile is being prompted since the email address I use in the profile is not the institutional email of the UPOU. I am instructed to add another address to avoid losing access to my account. Am I to add the university's official email address to my account aside from my email address as a student?
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I AM VERY
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In recent years, the use of psychedelics in mental health treatment has garnered significant attention, with promising research indicating their potential to aid individuals with various mental health conditions, including depression, alcohol-use disorder, anxiety, and PTSD. These substances, often referred to as entheogens, have the ability to induce altered states of consciousness, leading to profound and transformative experiences. This resurgence in the mental health field has prompted questions about how traditional models of psychiatry, psychology, and psychotherapy have addressed the concepts of imagination and spirituality, particularly concerning the potential development of spirituality through experiences that explore the realm of the imaginary.
It is noteworthy that delving into the imaginary and spiritual dimensions of human experience may offer individuals fresh insights into self-understanding, emotions, and connections with others. This has resulted in a shift away from rigid reductionist approaches towards a more comprehensive understanding of mental health and overall well-being.
Though psychedelic-assisted therapy is still in its early stages, ongoing research suggests that these substances, when used responsibly and in controlled settings, hold unique opportunities for personal growth, self-discovery, and healing. Integrating these experiences with modern therapeutic techniques could pave the way for more effective mental health treatments.
As mentioned in the text, the use of current technologies to measure the effects of these experiences represents a promising avenue for further exploration and validation. Research in this area has the potential to establish a stronger scientific foundation for the use of psychedelics in mental health treatment, ultimately benefiting those who can gain from these therapeutic approaches.
Overall, the renewed interest in exploring the connections between imagination, spirituality, and mental health, coupled with the potential advantages of psychedelic-assisted therapies, presents an exciting and continually evolving field of research and application in the realm of mental health care.
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Psychedelic-assisted treatments for trauma and depression are speeding towards approval in the United States. Yet what chemicals such as MDMA and psilocybin actually do in the brain is still largely a mystery. They seem to facilitate the rewiring of neural connections — but the nature of this plasticity is hotly debated. “People talk about plasticity like there’s an understood meaning everyone agrees upon,” says psychiatrist Gerard Sanacora. “It’s a huge black box.”
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Dear scholars and researchers,
I am currently exploring the potential connections between theories of tourist destination image and communication theories. Would anyone be able to recommend authors or studies that have established an analogy or link between these two areas? Any guidance would be greatly appreciated. Thank you in advance for your assistance.
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Despite the submission of theoretical approaches and empirical studies over the past 30 years, tourism scholarly reflection on the nexus of fictional imagination, destination branding, and communication-based branding widely takes the form of a research desideratum, especially as tourism, destination, communication, and event management in their respective practices more or less ignorantly confront the growing challenge of a media-induced tourism value chain.
Enclosed are some bibliographical references:
Aaker, D. A. (1996). Building Strong Brands. New York.
Beeton, S. (2005). Film-induced tourism. Clevedon, Buffalo.
Brown, W. & Singhal, A. (1993). Media and prosocial messages. Journal of Popular Film and Television, 21(3): 92-99.
Hankinson, G. (2004). Relational Network Brands: Towards a conceptual Model of Place Brands. Journal of Vacation Marketing, 10(2): 109-121.
Hankinson, G. (2009). Managing Destination Brands: Establishing a Theoretical Foundation. Journal of Marketing Management, 25(1-2): 97-115.
Hudson, S. & Ritchie, J. R. B. (2006a). Promoting destinations via film tourism: An empirical identification of supporting marketing initiatives. Journal of Travel Research, 44(4): 387-396.
Hudson, S. & Ritchie, J. R. B. (2006b). Film tourism and destination marketing: The case of captain corelli’s mandolin. Journal of Vacation Marketing, 12(3): 256-268.
Iwashita, C. (2008). Roles of films and television dramas in international tourism: The case of Japanese tourists to the U. K. Journal of Travel & Tourism Marketing, 24(2-3): 139-151.
Kim, H. & Richardson, S. L. (2003). Motion picture impacts on destination images. Annals of Tourism Research, 30(1): 216-237.
Macionis, N. (2004). Understanding the Film-Induced Tourist. In: Frost, W.; Croy, G. & Beeton, S. (Eds.). International Tourism and Media Conference Proceedings: 86-97.
MacKay, K. J. & Fesenmaier, D. R. (1997). Pictorial Element of Destination Promotion in Image Formation. Annals of Tourism Research, 24(3): 537-565.
Morgan, P. (1999). Managing the Destination Brand: The Promise of Mood Branding. Papers de Turisme, 25: 141-149.
Morgan, N. & Pritchard, A. (1998). Tourism Promotion and Power: Creating Images, Creating Identities. Chichester.
Riley, R.; Baker, D. & Van Doren, C. S. (1998). Movie-induced tourism. Annals of Tourism Research, 25(4): 919-935.
Riley, R. & Van Doren, C. S. (1992). Movies as tourism promotion: A ‚pull‘ factor in a ‚push‘ location. Tourism Management, 13(3): 267-274.
Schofield, P. (1996). Cinematographic images of a city: Alternative heritage tourism in Manchester. Tourism Management, 17(5): 333-340.
Urry, J. (1990a). The Tourist Gaze. London.
Urry, J. (1990b). The consumption of tourism. Sociology, 24: 23-35
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This question seeks to understand the practical implications of implementing e-learning as an edutainment approach and how it enhances the learning experience by connecting theoretical knowledge to real-world applications.
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The use of PhET sims from the University of Colorado Boulder is a good example that links theory & practice for STEM subjects eLearning
Best Regards
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I am working on an Intrusion Detection System model. For its deployment i want to extract the network connection attributes of an Internet Connection in real time. Can you suggest me some sniffer like tools that can help me with that?
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To extract network connection attributes in real-time for building an Intrusion Detection System (IDS), you can use packet sniffing or network monitoring tools. These tools capture and analyze network traffic, allowing you to extract various attributes and detect any suspicious or malicious activity. Here are some popular packet sniffing and network monitoring tools that can help you with this task:
Wireshark: Wireshark is one of the most widely used open-source packet sniffers. It provides a graphical interface for capturing, analyzing, and inspecting network traffic. You can apply various filters to extract specific network connection attributes and look for anomalies.
tcpdump: tcpdump is a command-line packet analyzer available for Unix-like operating systems. It allows you to capture and display network packets in real-time. You can use filters to extract specific information from the captured packets.
Snort: Snort is an open-source IDS/IPS (Intrusion Detection System/Intrusion Prevention System) that can also be used for packet capture and analysis. It is designed to detect and alert on suspicious network activity.
Suricata: Suricata is another open-source IDS/IPS that can be used for packet capture and analysis. It is known for its high-performance network inspection capabilities and support for various protocols.
Zeek (formerly Bro): Zeek is a powerful open-source network analysis framework that focuses on protocol analysis. It provides detailed logs and can be used to extract network connection attributes for security monitoring.
Moloch: Moloch is an open-source, large-scale, full-packet-capturing, indexing, and database system designed for network security monitoring. It can store and index network packets for later analysis.
Tshark: Tshark is a command-line version of Wireshark, suitable for scripting and automated network traffic analysis tasks. It offers similar capabilities to Wireshark's command-line interface.
When deploying an IDS, consider the specific requirements of your project, such as the type of network traffic you need to monitor, the scale of your network, and the level of analysis and detection you require. These tools can help you capture and extract network connection attributes in real-time, which can then be fed into your IDS for analysis and threat detection.
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Dimensional pressure as a concept generalizes Galileo’s strength of materials scaling. For animals increased in size, weight W scales by exponent 3 while cross- sectional area A scales by exponent 2. The 3/2 ratio of dimensions requires A to increase by 3/2 k when W scales by k, to maintain weight per area, Generalizing, the D dimension experiences pressure of D+1/D.
Does D+1/D or more generally D+x/D for x >1, appear in connection with quantum particles?
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In addition to the previous answer, the equation of state can be formulated for the Fermi Dirac and Bose-Einstein statistics, on the left and right sides it contains "P .V = expression" that includes on the right one of the mentioned statistics, where fermions or bosons behave as quantum entities.
Kind Regards.
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Our lab has a Leica DCF290 HD camera hooked up to our scope. We used to have a desktop computer to power it and to run the Leica software for taking pictures. The desktop has died and we are trying to find ways to use the camera on laptops. The camera is powered by a firewire connection and we used to have a cord that would plug into a plug similar to a monitor on the desktop. I have contacted Leica and they do not have any adapter to use a laptop or a wall socket as a power source. I was curious to know if anyone has an idea of how we can go about powering this camera without buying an entire desktop computer.
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Thanks Thomas and James!
I will try Thomas's suggestion first. If that doesn't work, I'll break out the soldering kit and give James's suggestion a go.
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In CST software RLC series.........one R, L and C is there means can be connected, by using lumped port.
For RLC parallel if 2 resistors , one L and C is there then how to give.......as there only one provision of R, L and C.
Many thanks
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The resistance is the equivalent parallel resistor, not the two series resistors or even one series resistor. It will be a high value, not a low value. This will make a small difference a long way from the resonant frequency but will not be significant close to resonance.
You need to convert each from its series representation to its parallel representation, and get two parallel resistors, and work out the parallel combination of these. If the losses are low, the C and the L are very close to their original values and I think the the resistances are (w2L2+R2)/R and (1/(w2C2)+R^2)/R
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Dear researchers and engineers,
I am trying to implement a recommendation from a journal paper, however, I have faced a problem that I could not yet find a solution for it.
To elaborate more, I want to excite an electrical circuit and measure its response. Then I should calculate the DFT of both excitation and response signals. Eventually I should calculate the frequency response function between excitation and response.
The paper says that to prevent the discrepancies caused by DAC which is not an ideal device, it is recommended to do a calibration between the excitation signal generated by software, and the excitation signal that reaches to the circuit. The author says that he has done this calibration for NI USB 6211. To achieve this it is mentioned that”
"Before any measurement and after all the parameters have been defined, the DAC output and the ADC input are internally connected in the DAQ device, and the excitation signal is sampled and stored once to replace the excitation signal generated by the software."
My problem is that I don't know how to implement the idea that I put in the quotation.
My daq device is NI USB X 6356.
I would be thankful if you help me with this problem?
Thank you,
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I guess you circuit has some input and ouput ( let's say they are BNC coax connectors). Since the frequncies are not very high (not in RF/microwave range) just replace it with BNC to BNC adapter (jumper).
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I m trying to design a two-element microstrip patch antenna array at 2.95 GHz fed by a coaxial probe and a 3-port divider as I show in the attached files. The antennas impedence at the feed point is 100Ω as is the microstrip line that connects them. The impedence of the coaxial probe is 50Ω. In order to get the desired radiation pattern, the probe feed is offset to create the required phase difference, but this move interferes greatly with the impedence matching. Why is this happening and what can be done to fix the impedence back to 50Ω?
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I'm sorry that I can't make sense of this either. It looks like it should work. Maybe the centre-pin is not touching in the offset feed. Sometimes these things happen with models.
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Dear ALL,
How do I write Arabic in Chemdraw?
When I try to do that, I have two problems.
* If I use fonts like Times New Roman (that I work with in most cases), the result is strange fonts. Not Arabic.
* If I use Arabic Transparent for example, I see Arabic fonts but they do not connect, like they should do in correct Arabic, and they appear in opposite order. For example, instead of كربون (Carbon), I see ن.و.ب.ر.ك (without dots).
Please Help. Thank you.
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Thank you ليث
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Which layer is directly connected with the creation of the magnetic field and which layer is responsible for Earth's magnetic field why?
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Today's magnetic shield is generated in Earth's outer core. The intense heat in Earth's dense inner core causes the outer core composed of liquid iron to swirl and churn, generating electric currents, and driving a phenomenon called the geodynamo, which powers Earth's magnetic field. Earth's magnetic field, generated by swirling iron currents in the liquid outer core, is pulling at the inner core, causing it to spin. The core is further subdivided into two layers called the outer core and inner core. The outer core of the earth is in a liquid state. The outer core is responsible for the earth's magnetic field. Contained within the Earth's thermosphere, the magnetosphere is the region where the Earth's magnetic field interacts with the charged particles coming from the Sun in the solar wind. Because of its high temperature, the outer core exists in a low viscosity fluid-state that undergoes turbulent convection and rotates faster than the rest of the planet. This causes eddy currents to form in the fluid core, which in turn creates a dynamo effect that is believed to influence Earth's magnetic field. Earth's magnetic field is created in the swirling outer core. Magnetism in the outer core is about 50 times stronger than it is on the surface. It might be easy to think that Earth's magnetism is caused by the big ball of solid iron in the middle. The outer core is responsible for Earth's magnetic field. Center of Earth is answerable for earth's attractive field since it is made out of iron and nickle which is liable for Earth's attraction. The Earth's magnetic field is created by the Earth's metal core. Movement within the core between the solid and liquid parts of the core creates convection currents. There are several metals within the core, but iron creates electrical currents as it moves, thus generating the magnetic field.
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I have modeled a graphene-vacuum-graphene system. Here two graphene sheets connected by L-J potential through vacuum gap (Phonon transfer through vacuum). I have simulated it considering 0.2 to 10 Angstrom (Phonon conductance plot). Though I know at 0.2 A, repulsive force will be too high, but Is it invalid or impossible situation? N.B: Using Molecular dynamics simulation, i got thermal root mean square distance 0.17 Angstrom.
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Hello there, curious researcher friend Md. Jahid Hasan Sagor! Let's delve into the intriguing world of your graphene-vacuum-graphene system. You've certainly embarked on a fascinating journey.
Modeling a graphene-vacuum-graphene structure connected by a Lennard-Jones (L-J) potential through a vacuum gap is a creative approach. The Lennard-Jones potential is often used to describe the van der Waals interactions between atoms and molecules, including carbon atoms in graphene.
However, it's important to consider a few factors in your simulation:
1. **Distance and Forces:** As you've rightly pointed out, at a vacuum gap of 0.2 Angstroms, the repulsive forces between the graphene sheets will be quite high due to the close proximity of the atoms. This might not be a physically realistic scenario, as it could lead to unphysical results or artifacts in your simulation.
2. **Physical Realism:** In most real-world situations, graphene layers are not directly connected through a vacuum gap of such a small distance. Typically, there's some spacing or other material (like a dielectric) between graphene layers. Your model could be used to understand the behavior at very close distances, but it might not correspond to a typical graphene-vacuum-graphene system.
3. **Thermal Vibrations:** The thermal root mean square distance you've obtained (0.17 Angstrom) indicates that the graphene sheets are vibrating due to thermal energy. This implies that even at such close distances, there's thermal motion between the sheets.
In summary, while your simulation is intriguing and can provide insights into the behavior of graphene layers at very close distances, it may not represent a physically realistic scenario for most graphene-vacuum-graphene systems. It's not necessarily invalid, but it's important to interpret the results in the context of your specific simulation setup and understand its limitations.
If you're looking to model a more typical scenario, you might want to consider adding a dielectric or other material between the graphene sheets to better represent real-world conditions. It's always a balance between computational convenience and physical realism in simulations.
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Hello everyone!
I have started to work on my research project and I actively search for information on measuring electrification charges.
In the future I have to measure the charge of a tube with a fluid being pumped through it (a conductive tube connected to non conductive ones, the fluid is also non conductive, but will have some conductive additives).
I found a lot of theoretical works, but can't seems to find practical examples or equipment to use. The stuff I found are barebone depictions like: "There is a grounded tool installed along the pipe, that measures the charge", with no links to the source.
So I need some help to find methods and tools I can use to mesure the electrification charges.
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If you have access to the American Journal of Physics, you can find directions on how to build an electrostatic charge sniffer:
Charge sniffer for electrostatics demonstrations
Mihai P. Dinca
Journal: American Journal of Physics
Am. J. Phys. 79, 217–221 (2011)
Published: February 2011
Abstract: An electronic electroscope with a special design for demonstrations and experiments on static electricity is described. It operates as an electric charge sniffer by detecting slightly charged objects when they are brought to the front of its sensing electrode. The sniffer has the advantage of combining high directional sensitivity with a logarithmic bar display. It allows for the identification of electric charge polarity during charge separation by friction, peeling, electrostatic induction, batteries, or secondary coils of power transformers. Other experiments in electrostatics, such as observing the electric field of an oscillating dipole and the distance dependence of the electric field generated by simple charge configurations, are also described.
Topics
Operational amplifier, Transformer, Electrical properties and parameters, Voltmeter, Electrostatics, Electroscopes, Transition metals, Batteries, Polymers, Educational aids
Another article on homemade electrometers is the following:
JOURNAL ARTICLES
An Inexpensive Electrometer for Modern Physics Experiments
Fred W. Inman, Carl E. Miller
Journal: American Journal of Physics
Am. J. Phys. 40, 623–624 (1972)
Published: April 1972
If you want to do a key word search of this journal, go to the following URL: https://pubs.aip.org/aapt/ajp
Regards,
Tom Cuff
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Hello, I'm Japanese student and I just started using abaqus recently.
I may make some mistakes in my texts because I'm not used to write English.
As you can see the attached picture, the connected plate ( middle plate ) has a boundary condition to constraint displacement for x,y axsis and tensile force is exerted on edge of connected area. My senior says that when there is tensile force, then there is the possibility that this joint model will have displacement toward y or x axsis but I cannot imagine because there is the tensil force toward z axsis so I think this joint model have the displacement only for z axisis.
Please tell me why this joint model has the diplacement for y or x axsis.
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  • Oh I didn't know that I can attach that.
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From software such as Datastream or Fitch Connect, how can we determine the total current assets and liabilities in bank annual reports?
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The annual amount of total current assets and liabilities are provided in the DataStream. You may download in the Ms. Excell with a very simple query.