General
Reducing the size of your COMSOL Multiphysics file
Solution Number: 1238 Versions: All versionsI 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 Number: 1232 Applies to: COMSOL Multiphysics Versions: All versionsI 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 Number: 1216 Versions: All versionsThere 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 Number: 1030 Versions: All versionsI 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 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 versionsHow 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 ...