Importing electric potential distribution for piezoelectric simulation
Hi, I'm doing a simple piezoelectric simulation of a semiconductor device. However, rather than solve for the electric potential in COMSOL, I have used another software to compute the electric...
View ArticleExporting COMSOL data into MATLAB
Hi there, I am new to COMSOL and currently running a very basic simulation adding strain to a 2D custom geometry. I am just wondering how i would go about exporting the post processed stress map (the...
View ArticleAssembling different imported solidworks files into COMSOL
Hi, Wondering how we are able to assemble different imported parts in COMSOL in a fashionable manner? Thanks
View ArticleLive connection with matlab
Hi every one i am working with live connection comsol with matlab . when i want to make optimization by using optimization tool for 7 variable on my model . after some time of working it gives me this...
View Articlehow to save the comsol model detail in matlab and recall that model in other...
I know hoe to set previous comsol result as my current initial value in COMSOL. when I transfer to matlab file. I am wandering is there any way to save the comsol model as a structure or something else...
View ArticleQuestion about nodes arrangement in model solutions with "mpheval" function...
Dear colleagues, I need your adviсe! I work with Solid Mechanics and Pressure acoustic modules. I use LiveLink with Matlab to extract solution data from the Comsol model (v.5.2). I defined a parametric...
View ArticleErrors in COMSOL with Matlab
When I launch COMSOL with MATLAB I get the following errors. Have any of you had this problem or know what is wrong? 2016-02-12 00:34:55.590:INFO:oejs.Server:jetty-8.y.z-SNAPSHOT 2016-02-12...
View Articlewhich version is compatible with matlab R2011b?
please help me with this problem. I want to know which version is compatible with matlab R2011b. COMSOL Multiphysics 5.0 is employed, but it not OK.
View ArticleJava errors in Comsol 43 with matlab 2011b
When I use matlab2011b to run M-file generated by comsol43 in Linux system, the following massages appear:"Java exception occurred: java.lang.RuntimeException: Could not start the server. at...
View ArticleLive Link for Matlab Help!
Hello everyone , I have a problem with a live link for matlab probably due to my lack of experience with the software and would like your advice : I made a time-dependent model and I want to analyze...
View ArticleUsing data from Matlab
Dear all Comsol users, To make the question simple, a heat transfer model is set up in 2-D, and every step, I want to calculate the heat source term in Matlab (which will be a 2-D matrix), then send...
View ArticleHow to convert a fig file in matlab to comsol?
Recently, I build a 2D image through a matlab function file. Now I want to analysis it in comsol, but I failed to import it. I don't want to convert it to a dxf file. I have read a lot words about the...
View ArticleParameter optimization and access to Matlab's global variables
Hello everyone, I'm simulating a mold where there is heat flux on different circles (cf picture). I would like to have an homogenous temperature on the surface of the mold. That is to say, minimize the...
View ArticleHow to extract the stiffness Matrix for a certain element?
Dear all, Hi. I need to extract the stiffness Matrix for a certain element or node before assembling. The "mphmatrix" command gives me the results for whole geometry (After assembly). I wonder if there...
View ArticleSingularity error
Hi, when I use Matlab to run the COMSOL simulation, I am getting the error : Repeated error test failures. May have reached a singularity. But when I directly use COMSOL to run the simulation, it works...
View ArticleBloch boundary condition in 2D phononic crystal
Hi everyone, I am trying to model a 2D phononic crystal in COMSOL. It is essentially a square with a hole at its center. Does anyone know how to set the Bloch boundary condition for the elastic PDE?...
View ArticleWhen i use...
When i use the matlab function feature node in comsol 5.1 desk, the comsol alwarys prompt “Failure loading MATLAB libraries. This model requires that MATLAB is available.”
View ArticleHow to plot time-dependent temperature profile at a point
Hi all, I have 1 question over here, i have been using the SAR head tutorial (Provided by comsol tutorial) to do research for my school project and i have 1 problem over here which is, i cant seems to...
View ArticleError while using Matlab LiveLink
I'm facing a problem while using Matlab LiveLink. -------------------------------------------------------------------------- geom1 = model.geom.create('geom1', 2); c1 = geom1.create('c1', 'Circle');...
View ArticleInvoke parameters from comsol in matlab
Hi everyone, I would like to invoke parameters from comsol in matlab, the code is as follows model.param.set('N', '5'); num=model.param.N; Error in num=model.param.N; And how to invoke the parameter...
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