Support Knowledge Base

Selecting entities by index number

Solution Number: 1232 Applies to: COMSOL Multiphysics Versions: All versions

I am following the step-by-step instructions for building an example COMSOL Application and the directions specify a numeric list of entities ( such as boundaries or domains ) to select. How do I find out which ...

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How to reference COMSOL Multiphysics® software in papers and publications

Solution Number: 1223 Versions: All versions

I am a licensed user of COMSOL Multiphysics® software and am publishing an article, paper, book, image, or conference proceeding based upon my own modeling work. How should this be referenced? As a licensed user who is ...

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The usage of Form Union and Form Assembly

Solution Number: 1216 Versions: All versions

There is an option to Form Union or Form Assembly at the end of the Geometry sequence. What does this mean and when should I switch between them? The Geometry branch within the Model Builder consists of a sequence of ...

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Error: "Out of memory"

Solution Number: 1030 Versions: All versions

I get an error message, that contains the words Out of memory, for example: Out of memory during LU factorization. or Out of memory during assembly # Background Before resolving this issue, you should go through ...

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How does COMSOL Multiphysics handle complex-valued numbers and problems in the frequency domain?

Solution Number: 878 Applies to: AC/DC Module, Acoustics Module, COMSOL Multiphysics, MEMS Module, Plasma Module, RF Module, Semiconductor Module, Structural Mechanics Module, Wave Optics Module Versions: All versions

How does COMSOL Multiphysics handle complex-valued numbers and problems in the frequency domain? Should I use the RMS, the peak, or the instantaneous value to specify sources in models being solved in the frequency ...

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