Slow loading/saving of files
I'm just curious if what I am experiencing is normal and I need to get used to it or if there is something I can do to speed things up. I have a .mph file with the solutions of a parametric sweep (RF...
View Articlecoupling multiple dependent seperate model
Dear all, I have a generic question involving the best way to tackle a big simulation problem utilizing Comsol. A question which I will formulate based on a simplified example: Imagine I would want to...
View ArticlePorous media modelling
Hi Whats the difference between porous media Transport properties and Transport properties in Transport of dilute species. Because I can implement in both cases the porous media, but the results are...
View ArticleComputer configuration for COMSOL
Now my computer running COMSOL will show the disk is not enough, want to buy a good point of the computer to run COMSOL, we have not recommended? Now I don't know the computer configuration. What is...
View Articlecomsol livelink with MATLAB
I would like to ask a question that MATLAB can whether call a non—local computer‘s COMSOL
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 ArticleCan't integrate matlab with comsol 4.3b
Hi, I have just started using comsol, trying to integrate matlab from options>preference>live-link product but getting the following message "cannot run the program "matlab path": CreatProcess...
View ArticleLivelink for Pro-Engineer error: ... PRO_COMM_MSG_EXE ...
Hi All, I have installed live link for Pro-Engineer 4.0. On the Comsol model builder right click and Livelink for Pro-Engineer. As i click on synchronize, an error report was appear: Failed to connect...
View ArticleAssigning materials to domains from MATLAB
Dear COMSOL experts, I am wondering how to assign materials to domains from a matlab script. For example, I create a block "my_block" with>> model.geom('geom1').feature.create('my_block',...
View Articlecreating geometry in matlab-function different from current matlab-function
Hi, i'm tying to use an external matlab-function to create a certain geometry and then assign this geometry to my current model in matlab. Unfortunately something like the following doesn't work:...
View ArticleAutomate Tasks with the COMSOL API for use with Java
Hello, We work on a project using comsol and we want to automate our tasks using java. We understand the article on the comsol website www.comsol.com/blogs/automate-...ing-tasks-comsol-api-use-java/...
View ArticleExternal geometry function
Hi, How to add geometry as a sine function (which is not a defined tag like r1 - rectangle in COMSOL) through Matlab?
View Articleconnection problem with matlab and comsol
hi dear, i am facing problem to connect matlab with comsol gives error when i am entering the command in matlab as:>> mphstart ; ??? Error using ==> mphstart at 161 A connection to COMSOL...
View ArticleModel Parameter Adjustment
Is there an operator I can use to determine the position where the average value of a dependent variable (of a 2D geometry) will reach a particular value? To be clearer; I have a three PDE that I am...
View ArticleLiveLink for Matlab: access the edge of a Bezier curve
Hi everyone, I'm trying to access a Bezier curve as an 'edge' in LiveLink for Matlab, but I cannot figure out how to do it. I want to create a sweep of a rectangle, following a Bezier curve 'b1'. Here...
View Articlewhat is wrong with the ALE
(all are in the .doc attachment. Thanks) Hi,everyone, I ‘m building a simple model based on the “heat transfer” module and the “ALE” module. The geometry is a simple rectangle. In the heat transfer...
View ArticleExporting a geometry file (parasolid_binary) using MATLAB Livelink
Hello, I would like to export a geometry from COMSOL in parasolid_binary using MATLAB live link ? You can easily do this from COMSOL desktop, however, I could not do it using the Live link. Please,...
View ArticleThin layer in Heat transfer module
Hi, I am working on 3D shell and tube heat exchanger. If I use thin layer feature in heat transfer module for the walls, then do I have to draw the tubes using inside diameter or outside diameter of...
View ArticleHow to enter modified conservation equations to comsol?
Hello, I'm trying to solve a conjugate problem with modified conservation equations. How can I give my PDE equations to the COMSOL?! Can I use the mathematics physic in Comsol? I have extra term to add...
View ArticleAveraging and Quantifying a Dependent Variable in a 2D Domain along One Axis
I am solving a pde problem in a 2D domain, the dependent variable is phi. My goal is to determine quantitatively the region in the 2D domain that the average of phi along the vertical direction reaches...
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