High-frequency background magnetic field
Hello,I built a 2D multi-layer structure. When high-frequency magnetic field goes through this structure, I want to consider the attenuation of this field so that I can get different magnetic field...
View ArticleWhat should I do to make the program equally understand the separator "dot"...
I wrote a simple application with one input field. If I enter in the input box 1.0 (through dot) everything works. If I enter 1,0 (through comma), it gives an error (Syntax error in expression). Is it...
View ArticleFinding The Electron Transport Properties As A Function Of Reduced Electric...
Hi,I wanna find the transport properties of electrons as a function of reduced electric fields;As Plasma User's Guid suggestion , I have used Plasma Madule>>Boltzman Equation, Two-Terms...
View ArticleComputation with Time dependent Study doesnt end?
Hi, I am trying to do time dependent study with Electrowetting droplet on COMSOL. My problem is after doing all the settings, the simulations goes on and on and never ends. What can be the possible...
View ArticleHow to obtain the dynamic stiffness and damping for a hydrodynamic journal...
I am trying to model a hydrodynamic journal bearing using COMSOL and I can get the static performance of the bearing, but I don't know how to obtain the dynamic performance of this bearing in terms of...
View ArticleHow to simulate a mesh tube acting as a porous fliter?
Hi, I am currently try to simulate a chemical reaction reactor. The figure is attached. The gas flow into the reactor through a tube. This gas tube permit the gas flow inside the reactant region, the...
View ArticleMumps is unable to switch to out of core mode: insufficient disk space for...
Hello,How to resolve "mumps is unable to switch to out of core mode: insufficient disk space for out of core mode" error? I am wokring on a workstation, windows 7, 48gb RAM.Any help would be appriciated.
View ArticleMaximum value from each slice of cut planes
Hi,I'm simulating air flow through a tube and looking at difference in presure along the system. I want to graph the maximum pressure along different areas of the system. To do this, I would like to...
View ArticleHydrodynamic dispersion in porous media
HiI'm currently working on a mass induced natural convection 2D problem in porous media (single phase miscible displacement).System description:At the initial condition, component 1 fills a rectangular...
View Articleresistive heating coil simulation
The below post is related to an archived discussion[start here]I have a resistive coil from a MEMS. The only data I have to simulate the resistive heating is the input voltage which I can use between...
View Articleresistive heating coil simulation
I have a resistive coil from a MEMS. The only data I have to simulate the resistive heating is the input voltage which I can use between 0.5V to 20V and the material of the coil(GOLD). I am getting...
View ArticleDifference between contact pair and identify pair
I am a little confused about the difference between contact pair and identity pair when I do some simulatation of solid machanics . And are there any restrictions of the study type? When we do...
View ArticleDifferent results are strange with same definitions but different physics in...
Dear all,I am simulating a pm_motor that I defined the magnets with Ampere Law. I used the same value of Remenant flux density. When I reached the result, the result in magnetic field is normal but in...
View ArticleLight propagation in waveguide
Can we simulate light propagation in plane tiO2/SiO2 waveguide on silicon substrate? Please help regarding the problem. Thank you.
View ArticleHow to apply frequency shift in acoustic module
Hi all, I am doing research in acoustics module on transducers.Please tell me how to apply frequency shift in acoustics module.Thank u.
View ArticleDifferent results of S11 parameter for different mesh element sizes
Hi,I have achieved two very different S11 parameter plots for the same patch antenna simulation at "extremelly coars" and "normal" element sizes of mesh. I attached these two results as image files to...
View ArticleHow to set user defined Boundary Conditions in poisson equation
Hi, I want to define n ˙∇U = (e2/εε0kBT)σsh as my boundary condition in the Poisson boltzman equation, can some please guide me how to do this. Thank you.
View ArticleHow to simulate AC Multi-turn coil numeric
Hi,I want to simulate the result as changing inductace of coil in an active eddy current sensor with different material target. The Multi-turn coil numeric fuction is selected to simulate regtangular...
View ArticleHow to use the result of each time-step as input to next time-step?
Basically this is how I would do it in hand calculation:T_out_0 = 22 [degC] %% Guessed initial value.%% at t=1:COP(1) = 5[1/K] * T_out_0T_out(1) = T_avg_Domain(1) - COP(1)/7[1/K]%% at t=2:COP(2) =...
View Articleconvective heat flux boundary condition
Hi,I'm confused by the result I got by using convective heat flux boundary condition. Hope I can find the answer here. Thanks a lot.I'm working on a time dependent heat transfer model, one of the...
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