Help with meshing a simple solenoid, to be able to calculate its inductance
Good afternoon,I have a parasolid file of a solenoid, and am trying to calculate its inductance using the mef package. The mph and parasolid CAD files are attached, as well as a screenshot of the...
View ArticleSimulating electromagnetic transduction of energy in 3D model
Hello,I'm trying to simulate in a 3D model, electromagnetic transduction of energy. It consists in a permanent magnet surrounded by a copper coil with a known number of turns. I already managed to...
View ArticleMeasuring resistance via electric current from current density and area?
Hi,My model started with solid mechanics physics study on the von Mises stress impart onto the underlying bond pad layers by the probe moving downward along the Z-axis with prescribed displacement and...
View ArticleBrillouin scattering
I want to calculate optical mode and acoustic mode which is produced by Brillouin scattering. Would you please give me more detailed description or some detailed calculation explanations? I did not...
View ArticleMultiphysics analysis: mechanical stress inside a cylinder-piston system
Hi all, as written in the title, I need to compute a multiphysics analysis. In particular my model is a 3-point-bended beam inside a cylinder in which there is air at a certain starting pressure. On...
View ArticleConvergence test - wave optics interface
considering the scattering problem off of a si nanosphere: a si nanosphere radius 250nm and a pml radius of 2300 nm. Incident radiation with lambda = 1000nm propagating in z direction has an electric...
View ArticleCOMSOL Issue
I am simulating a (optoelectronics) solar cell in COMSOL and I am getting an Current density-Voltage (J-V) charatersitics but i have an issue that the curve is not crossing the voltage. so i can decide...
View ArticleChanging Material Properties
Good day all,I am modeling CO2 injection in a pipe, and I know that CO2 find and input into the model by finding it in material section. However, CO2 that is offered by Comsol is ideal gas condition,...
View ArticleUnexpected unit of input
Hi everyone,I want to create a function for Cp of a material and for a simple function, COMSOL gives me "unexpected unit of input"!260-300 (K) 9.797*T-1029300-340 (K) 3247-8.861T+1.82110^(-2)*T^2the...
View ArticleImported data from txt file as initial value
Dear all,I will need to import a thermal data generated by an independent simulation program, as txt file, in COMSOL model. To train myself, I have created a simple 2D COMSOL model (Attached:...
View ArticleDrive cycle
hi sir im working on battery thermal management i want to check my cooling plate effectiveness when a drive cycle is given. i have followed one of your tutorials on lithium drive cycle monitoring..but...
View ArticleHelp on plotting the result.
Hei ,I need help on plotting axis electromagnetic flux density ( mf.Bx / mf.By / mf.Bz ) like the picture below.What dataset and which plot should i choose ?Regards
View ArticleElastoplastic Beam
Hi everone, I'd like model a elastoplastic behavier into beam, is there a way ? Because I want do the pushover analisys.Thank you
View ArticleModeling Double layer capacitance under AC
Hi,everybody.I am trying to model the DL element between the microelectrode-electrolyte interface,the shape of which is a 500 micron-radius circle. The electrolyte is cell culture media whose fluid...
View ArticleSimulation of Planets with different amount of gravity
Hi ? I am new in COMSOL! Can anyone help me I dont know where to start.But i want to simulate all of our planet with different amount of gravitational force. Can anyone help me Iam at my 11th Grade and...
View ArticleSolid-phase thermophoresis in chemical transport model
We would like to use the 'Transport in Diluted Species' module to model thermophoresis. The module includes an electrophoresis option but we would like to change this to allow for thermophoresis (i.e....
View ArticleHow to use the state variable from External material model in another Physics...
Hi,I developed a mechanical constitutive model by using the External material model. I want to use the state variable calculated from the External material model, say damage or plastic strain, in the...
View Articlerunning Multiple COMSOL server and Matlab parallel
Dear all, I want to speed up my computations using the parfor loop in MATLAB. Therefore, I called 5 comsol server and use 5 workers in Matlab to connect these comsol servers. Below is the run.sh which...
View Articleon MacOS system Memory Usage Increase With Looped LiveLink For MATLAB
Question: How can I eliminate the LiveLink for MATLAB and COMSOL server from storing "things" in my computer memory when I run it on my Macbook?I have tried all the method on the discussion forum....
View ArticleCancelling mesh generation in Livelink for MATLAB
Hello,I'm running a COMSOL simulation through Matlab where a script solves randomly generated geometries repeatedly to obtain statistics. One step is meshing the geometry. This meshing step normally...
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