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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...

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comsol livelink with MATLAB

I would like to ask a question that MATLAB can whether call a non—local computer‘s COMSOL

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Possibility 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...

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Can'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...

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Livelink 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...

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Assigning 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',...

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creating 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:...

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Automate 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/...

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External geometry function

Hi, How to add geometry as a sine function (which is not a defined tag like r1 - rectangle in COMSOL) through Matlab?

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connection 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...

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Model 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...

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LiveLink 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...

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what 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...

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Exporting 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,...

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Thin 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...

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How 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...

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Averaging 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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script for exporting deformed geom from livlink matlab ?

Hi all, In GUI, I could remesh the deformed configuration from the results dataset, and from there i could export to a new geometry (xx.mphbin). But how can i do the same from matlab livelink ? I...

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Equation in matrix form for use for MATLAB Livelink

Dear all, This seems to be a pretty simple question but I am struggling to find any help on the topic! I have recently started using COMSOL with the livelink to write a Model Order Reduction in MATLAB....

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COMSOL with MATLAB, Domain number assignment incorrect

Hi all, I am working on a permanent magnet or Halbach array simulation. I created a 3D model in COMSOL and saved it as MATLAB file. The magnets are rectangular blocks and now I wanted to include...

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