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Questions related to Finite Element Method
I was looking for a way to derive a fourth-order error formulation of a second-order derivative at the contact surface of two different materials. Say, solving a thermal diffusion equation with...
07 August 2023 9,483 1 View
How does the hydrosphere affect the Earth's climate and how do the hydrosphere and the atmosphere work with each other for weather?
07 August 2023 6,260 3 View
The elastic modulus of polymer aerogels have relatively large standard deviation.
07 August 2023 1,933 2 View
Here are the text from the journal i read: The grain size of the Zn matrix decreased gradually as the content of Fe increased. In the as cast Zn-0.2Mg alloy, there was only a single second phase...
07 August 2023 8,685 4 View
topic: the concrete material model RHT in LS-DYNA I see some scholars mentioned the damage value threshold Dcr, but I don not know where to set it, and find no relative paramaters in 072MAT_RHT....
07 August 2023 1,707 1 View
lifting lug on ingot mold is broken. What is procedure for failure analysis?
02 August 2023 5,992 1 View
Dear Everyone, Can somebody provide an answer to the question of whether RMSD measurements are required for an FTIR for a single compound? If necessary, how should I calculate? like as Comparison...
31 July 2023 482 0 View
I have explained curvature of streamlines in irrotational flow of air in a Kinetic Theory thought experiment as locally produced by gradients of thermal-motion due to molecular number density...
19 July 2023 8,769 3 View
Dear researchers. I am trying to perform a simulation where I used "AMR" magneto-resistive sensor for gear tooth sensing where extract the sensor output in function of time and the distribution...
17 July 2023 8,881 0 View
Finite element method will be used to determine the stress-strain of a 3D composite material made structure.
17 July 2023 6,221 5 View
I am trying to simulate Friction Stir welding using the CEL method. I have resolved all other errors except this particular error. Someone kindly help me with this. I have attached the CAE file.
12 July 2023 9,046 2 View
I am trying to do numerical research on the Structural Dynamics of an offshore wind turbine tower along with the monopile foundation and SSI. I want to assess the behavior of this structural...
10 July 2023 6,685 0 View
Dear Researchers : I will very much appreciate the help. I have a 2D model in COMSOL. It's a plate, made of Polyethylene. An AC Voltage is applied on the upper electrode, the lower electrode is...
26 June 2023 3,274 2 View
Hello everyone, It is known that the actin cortex is under tension primarily because of the activity of molecular motors (myosin-II) which generates contractility forces. Does the same process...
26 June 2023 9,415 0 View
Hello everyone, I am currently investigating the phenomenon known as the Indentation Size Effect (ISE) using the Finite Element Method (FEM). My research involves conducting indentation tests...
21 June 2023 2,171 2 View
I'am using QE for surface study, however to preserve calculation timing and RAM usage, I need to fixed/freeze the atoms constituted by the central layer. For example, I cut FCC Co2FeSi along the...
19 June 2023 7,676 1 View
I'm working on a model of a ship collison using eroding in contact properties but it ends up showing me about 1% more energy, can anyone give me some advice?
19 June 2023 9,342 1 View
I have performed FE simulation of tensile test by using 2 yield criteria, first is Von mises and other is Hill's 1948 yield criteria (including r-values of all 3 directions) ? Upon using Von mises...
16 June 2023 9,764 4 View
Hello everyone. I am trying to simulate methane-air combustion in Ansys Fluent using EDC model and GRIMech 2.11 detailed mechanism(277 Reactions and 49 species) but i get no combustion. Any...
15 June 2023 4,009 3 View
I dissolved silk fibrin in 9.3M LiBr solution and dialysed it.but after 1 day I didn't find any silk fibrin in my solution. silk was fully dissolved in LiBr solution.
12 June 2023 587 1 View
Is entropy a measure of order and which state of matter has the lowest entropy?
09 June 2023 9,204 1 View
Please, I need help on this problem.
05 June 2023 1,387 1 View
Is entropy directly proportional to enthalpy and relationship of entropy and enthalpy process directly proportional?
03 June 2023 6,487 1 View
Is it possible to have zero entropy and why entropy is always increasing and can humans decrease entropy?
03 June 2023 1,155 1 View