Running the simulation for the required time span in more than one times (loops)
Dear sir, My requirement is "Running the simulation for the required time span in more than one times (loops)". I actually do not know the initial values of temperatures of the room that I am going to...
View Articlemeshing with Livelink
Dear sir, I have a major problem concerning the livelink. I will explain to you: I have a 2D plasma model of width 0.42m and height 0.144 m, I mesh the model with element size of order 10^-4m but at...
View ArticleTutorial: Working between COMSOL 4.1 and MATLAB 2010b
Ok, here is what I figured out in order to be able to take a COMSOL model, modify it in MATLAB and then reopen it in COMSOL for further work: 1. Launch COMSOL normally; 2. Launch MATLAB by using...
View ArticleProblem with create new solution in comsol 4.1
Hi I have problem with crating a solution using script in Comsol 4.1. In help I read that Comsol enabled functionality to manipulate solutions (see help model.sol). I want to creates a solution object...
View ArticleMatlab functions in Comsol - limited compared to 3.5?
Dear All, I'm running Comsol 4.1 via the LifeLink from Matlab. Basically it works fine but I encountered a limitation, which was not present in the version 3.5. I have a Matlab function which sets up...
View ArticleError: Unknown property: funcname
Hi, I have defined a MATLAB function which is called by COMSOL. I get an error message such as: Undefined value found. - Detail: Undefined value found in the equation residual vector. There are 2128...
View ArticleLink Matlab to Comsol in MAC - path problem
Dear all, in the bin/comsol.ini file I defined MLROOT=/Applications/MATLAB_R2011b.app The problem is that when clicking the app COMSOL with Matlab a problem appears. checking the setlog I says...
View ArticleHow to export data in excel format?
Hey Ivar, I want to export my figure into excel format. and replot it in matlab. Is it possible ? Thank you very much!! Baofeng
View ArticleParallel computing MatLab Comsol
Hi, I am using Comsol 4.3 with Livelink for Matlab. I run an optimization code in Matlab where i call Comsol to perform frequency response simulations. Now i would like to start two parallel frequency...
View ArticleError to initialize a physics interface created with Physics Builder in...
Hi all, I am trying to compile with LiveLink for Matlab (Matlab version MATLAB_R2012a) a Comsol model (Comsol version COMSOL 4.3.0.151) that uses a physics interface which I created with the Physics...
View ArticleCOMSOL 4.3 with MATLAB error
I have a problem with COMSOL 4.3 with matlab simulation. The error message is below. ??? Java exception occurred: Exception: java.lang.RuntimeException: java.lang.reflect.InvocationTargetException...
View ArticleMATLAB Livelink
Hi I am running a MATLAB script from COMSOL with MATLAB, and it eats up all memory in C drive. so it never returns any result before it crashes. Any idea why this happen? something wrong with the...
View ArticleCOMSOL 4.3 with MATLAB error 2
I have the code that have for loop. Before the first loop is finished, we met several error messages ??? Error using ==> mphinterp at 317 mphinterp (292): Java exception occurred: Exception:...
View ArticleIntegration of MATLAB functions with more than one variable
Hi, I want to realize an integration in COMSOL 4.3a using self-written MATLAB functions. If I use a test function with one input and one output argument everything works as expected (plotting function,...
View ArticleCOMSOL 4.3 with MATLAB error
I have the code that have for loop. Before the first loop is finished, we met several error messages ??? Error using ==> mphinterp at 317 mphinterp (292): Java exception occurred: Exception:...
View ArticleProblem with Convergence
I was running my HT+NITF model for simulation for 2 days. But, still I was not able to obtain the convergence. The progress of my simulation after 2 days of running is as follows (in the picture...
View ArticleSegregated Solver, Segregated group
What is the meaning of "Segregated Solver" and "Segregated Group"? While computing for the results, I am getting a line like follows... "Segregated Solver 17% Step 3" . And the value beside Step in...
View ArticlePipe Flow Module
Can anybody let me know how to use pipe flow module in COMSOL 4.3a starting from basics with an example??
View ArticleProblems Converting .mph to .m
Hi all, I am working within the fluid-structure interaction module in COMSOL. I would like to vary one of my geometric parameters to optimize a design, and as you all know, COMSOL with MATLAB is the...
View ArticleHow to output results in MATLAB livelink with COMSOL?
A Finite element analysis was done in COMSOL and it was saved as .m file, so that i could run it in a livelink with matlab. The program executed and i got nothing as output i.e. there were no errors...
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