Adding noise with matlab and exporting data to comsol
Hi, I'm using comsol to the optimization of a paramater (D) from some data provided by me, then I add noise to the data with matlab and at the end I estimate the parameter D again to compare. That...
View ArticleSolver building a mesh after making one manually
Hi. I have a task of calculating the HT in a minichannel fluid domainmodel that involves a length of a few hunderd's of mm but the cross section of 1mm x 1mm wih the solid geometry thickness around it...
View ArticleLiveLink doesn't work
Hi, I'm a comsol beginner and wanted to try Livelink with Creo but in Comsol i always get the Error that comsol can't connect to creo and i should start creo. The problem is creo is already started....
View ArticleParallel computing for COMSOL with MATLAB
I definited a function by COMSOL .m file , whose varibles are geometrical parameters of model. Then, geometrical parameters are optimized by a genetic algorithm written by matlab. There are big...
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 ArticleParallel Computing with MATLAB Livelink and COMSOL
Hi everyone, I am currently trying to use Matlab's Global Optimization tool (specifically using genetic algorithms) with my function. Every time my function evaluates, it loads a model file, modifies...
View ArticleVariable Geometry
Hi COMSOLants, I created a 2D geometry with "Autodesk Inventor Professional 2015" and imported it into "COMSOL Multiphysics 5.1" just by exporting the sketch of Inventor. The obvious disadvantage of...
View ArticleProblem running COMSOL 4.0a with MATLAB
Hi all, having studied the manual, I can't get the LiveLink for MATLAB functioning. I use Windows and MATLAB R2010a. At my university the preferred way is to first start a COMSOL server and then start...
View ArticleParameter Sweep on Geometry
Hi everyone, I created a geometry whose dimensions are related to a few parameters which I have been defining under "Global Definitions > Parameters". Now I would like to change some of these...
View ArticleCan't open COMSOL 5.2 with R2016a Matlab on MacOS Sierra
Hello, I have installed COMSOL 5.2 with Matlab. My matlab is R2016a version, and I use macOS Sierra. The COMSOL itself runs withot the problem but when I tried to run COMSOL with matlab, I saw this...
View ArticleInverse Heat Conduction to find thermal conductivity
Hello everybody. I'm a Comsol user (basic level) and I want to obtain numerically the thermal conductivity of a material, knowing boundary heat flux and temperature values in several points. I've read...
View ArticleNanoimprinted Quasi 3D Nanosquares Plasmonic Biosensor (LSPR)
Dear Respected Members, My educational background: B.Sc and M.Sc. in Applied Physics, Electronics and Communication Engineering. My knowledge on COMSOL: I just setup the COMSOL 5.0 in my computer, and...
View ArticlePossibility to import a 2D CAD file to COMSOL?
Hello, I am running the last version of COMSOL (4.3b). I tried to import a 2D CAD file to COMSOL but failed to do so! Generally, is it possible to import a 2D CAD file to COMSOL or only 3D files? If...
View ArticleTime dependent alternating temperature/thermal insulation boundary conditions
Hi all, I am trying to setup alternating boundary conditions for a certain boundary based on the hours of each day. My model will run for about 2 months, and I would like to set the boundary condition...
View ArticleExtracting a table from a Comsol using Matlab livelink
Hello, I am having troubles in accessing a table that is created in comsol model using matlab livelink. When I use this command a = 120; b = 100; d = 100; model = waterDropsInOil(a,b,d); tabl =...
View ArticleMATLAB LiveLink
Hey there, I am using LiveLink MATLAB but when running my model, the notice "Undefined function or variable 'mphopen'" is emerged on the command window. However, I have set up the file...
View ArticleSome one can HELP? A COMSOL3.3 model cannot to be used in COMSOL5.2 ?~~
Hello everyone, I 'm using COMSOL5.2 to simulate a project. Now I meet a problem. My mentor is using a old version: COMSOL3.3. I want to use his model in my COMSOL5.2, but it says they are not...
View ArticleCreating Geometry with Loop in COMSOL with MATLAB
Dear COMSOL Team, I am interested in creating a geometry in COMSOL 5.2 which consists of many spheres with their radii varying in unique manner iterated in a loop (example, r(i+1) =r(i)+1). I am trying...
View ArticleErrors when computing the interpolation function
Greetings, COMSOL user. I have experiencing problems when computing a COMSOL + MATLAB code. The error that occurs (with or without MATLAB) is linked to Interpolation function #1 (int1). The error...
View ArticleError while using mphinterp function
Dear All, please help me regarding mphinterp function..... while using, coordinate=[29970,10080]' '' electric_field=mphinterp(model,'(es.Ey*es.ny)','coord',coordinate)'' in comsol 5.0 with matlab, i am...
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