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Reducing the size of your COMSOL Multiphysics file

Solution numéro: 1238 Versions: Toutes les versions

I would like to reduce the size of my COMSOL Multiphysics model file. There are several things that you can do to reduce the file size: First, COMSOL saves files in either a compressed or uncompressed state. You can ...


Selecting Entities by Index Number

Solution numéro: 1232 Se réfère à: COMSOL Multiphysics Versions: Toutes les 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 ...


The Usage of Form Union and Form Assembly

Solution numéro: 1216 Versions: Toutes les 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 ...


Error: "Out of memory"

Solution numéro: 1030 Versions: Toutes les 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 ...


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

Solution numéro: 878 Se réfère à: AC/DC Module, Acoustics Module, COMSOL Multiphysics, MEMS Module, Plasma Module, RF Module, Semiconductor Module, Structural Mechanics Module, Wave Optics Module Versions: Toutes les 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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