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Questions tagged [comsol]

COMSOL Multiphysics is a finite element program used in engineering and physics. It incorporates combineable modules for different areas of physics (e.g. structural mechanics, thermodynamics, acoustics). It also has an API that is compatible with Java and supports LiveLink for MATLAB.

COMSOL Multiphysics is a commercial finite element program used in engineering and physics. It incorporates combineable modules for different areas of physics (e.g. structural mechanics, thermodynamics, acoustics). It also has an API that is compatible with Java and supports LiveLink for MATLAB and several more programs.

COMSOL offers 24h support for users with a registered software licence. They also offer to look at your model files and give concrete feedback.

Resources

COMSOL Homepage
COMSOL Support Center

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Move a 3D object in COMSOL and calculate of charge in every position

I am trying to solve with Comsol the problem of the figureTwo blue big electrodes with fixed potentials V1,V2. One red small electrode that moves above the others along x axis at constant distance and voltage V0. The charge in V0 depends on the…
Jorge
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Different Mesh Size for Different Partitions of an Object

I am working with ComSol 5.3. I've partitioned my object into two partitions. Due to the memory issue, I prefer to set different mesh size for these two partitions. But I don't know how to do it. The following picture shows my workspace!
Nematollah Zarmehi
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Comsol, java API, SwingGraphicsPanel never finished

I have problem with Comsol's Java API. To plot the result of Comsol model, I have to create an instance of com.comsol.modelguiswing.SwingGraphicsPanel Here is my code: public void start() { frame = new JFrame("Beam GUI - based on COMSOL…
user2874769
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Solving Coupled pde in comsol

Does anyone know which module in comsol should I use to solve below equations? $partial_t u1 = -a1 \div ((cos(s), sin(s)) u1) + a2 \div (u1 \grad (u2) )+ a3 \partial_s ((-sin(s), cos(s)) \cdot \nabla c u1) + a4 \nabla^2 u1+a5 \nabla^2 u1+a6…
Oliver Range
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Set maximum execution time for Matlab code loading with model parameters

I've tried to set a maximum execution time for matlab function, but none of them succeeded. I have a matlab file loading a model setting from COMSOL (using COMSOL with Matlab livelink). %filename ‘mymodel.m' fff = 0; store{fff+1,1} =…
Orangeblue
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Call Comsol from Fortran

Is it possible to call Comsol from Fortran? I have found that it is possible to call Comsol from Matlab, and Matlab from Fortran. However, is it possible to skip Matlab? I want to just use a simple 2D axisymmetric FEM solve.
user1543042
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COMSOL Multiphysics modeling

I am working on flow-induced vibration of a double wall carbon nanotubes. I have solved the problem analytically and approximately. The results of both solutions are almost identical. Then, I used COMSOL multi-physics to do the same problem.…
ALI
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