Elastoplastic 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...
View ArticleImplement Viscoelastic Maxwell Material?
I am trying to model a Maxwell material (https://en.wikipedia.org/wiki/Maxwell_material): a purely viscous damper and a purely elastic spring connected in series. I do see the viscoelasticity under...
View ArticleAccessing the values of an inbuilt variable at a particular point!
Hello,Is there any way, to access the value of an inbuilt variable at a particular point? I have a simple comsol model (file attached).In this model, under "solid mechanics module", there is a boundary...
View ArticleRLC series circuit
Hello,Could someone please help me model the attached RLC circuit please?Kind regards,Sinéad
View ArticleRay Heating Module
Hi,I have been using ray heating module to perform the ray tracing and heat flux simulations for a parabolic trough solar collector. I am having problem in seeing the temperature distribution and heat...
View ArticleWall contact problem will not converge
Material 1 (domain 1) is cooling down by defined time dependant heat flux. as it reaches a certain temperature (solidification temperature) it is activated. next to the material there is a wall (domain...
View ArticleAcoustic Intensity not evaluated as expected at boundaries with PMLs
Hi, I've been using the Pressure Acoustics interface to evaluate total power absorbed in a domain and have come across some unexpected behaviour. This has been driving me nuts for about two days, but...
View ArticleMaking a loop in comsol
Hi,I wanted to make a loop in COMSOL for the inlet temperature but this temperature would be different in each time step. Step 1: T_in(0s)=10C Step 2: T_in(1s)=T_out(0s)+T_load(1) Step 3:...
View ArticlePlotting Magnetic flux density in air using " Cut Plane data set "
Hi ,I'm building a three axis magnetic flux coils. I need to visualize the mf.Bx / mf.By / mf.Bz on desired planes. when i add a " Cut Plane " in dataset and select an XY axis and plotting the air is...
View ArticleLaminar fully developed flow through pipe
How can we a cut a cross - section in the volume plot to view velocity profile in a fully developed laminar flow thorugh a pipe?
View ArticleShould this be considered as a concentrated or diluted species? membrane...
Hello!I am fairly new to COMSOL, even after reading the manual and configuration book I still can't figure out which physics, I should use, concentrated species or diluted species?I want to model...
View Articlefrequency response in 3D structure
Hello I study about piezoelectric energy harvesting. I fabricated doubly clamped piezoelectric energy harvester array. And I am trying to simulation about frequency response, I practiced with the...
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