Support Knowledge Base

How can I see both the mesh and the solution of my COMSOL Multiphysics model? The most straight-forward way to see the mesh of a COMSOL Multiphysics model is to be in the mesh mode. The menu item Mesh > Mesh...
Version: 3.4,3.5,3.5a - Platform: All Platforms

This solution describes how you enable parallel use of the processors on a multicore or multiprocessor computer. Introduction COMSOL 3.5 and later supports parallel computations on computers with multiple processors...
Version: 3.5,3.5a,4.0,4.0a - Platform: All Platforms

Does COMSOL support the Mac Intel platform? COMSOL 4.0: Yes, see further on the system requirements page. COMSOL 3.5a: Yes. For more information, see the 3.5a system requirements page.
Version: 3.3,3.4,3.5,3.5a,4.0 - Platform: Macintosh

Which versions of MATLAB can I interface COMSOL Multiphysics to? COMSOL 4.0: For full MATLAB version information see the system requirements page. COMSOL 3.5a: For full MATLAB version information using COMSOL 3.5a, see...
Version: 3.5a,4.0 - Platform: All Platforms

986: Error messages, general

What is the meaning of the error message that Comsol Multiphysics gives me? The Comsol Multiphysics Reference Guide contains a section Diagnostics that summarizes and shortly explains the most common error...
Version: 3.4,3.5 - Platform: All Platforms

983: Error message: Internal Error in Geometry Decomposition

Why do I get the error message “Internal Error in Geometry Decomposition”? This error usually means that COMSOL Multiphysics failed to resolve the geometry relations for meshing. If your geometry consists...
Version: 3.4,3.5,3.5a,4.0,4.0a - Platform: All Platforms

How do I make a 3D plot from an axisymmetric 2D calculation? COMSOL 4.0: In COMSOL 4.0, this is done by creating a revolution data set from an existing data set. All plot group features in 3D or 2D are available for...
Version: 3.4,3.5,3.5a,4.0 - Platform: All Platforms

How can I run COMSOL Multiphysics computations in batch mode? The following explanation applies to COMSOL version 3.5a The general syntax for the command for starting COMSOL Batch is comsol [< options >] batch...
Version: 3.5a - Platform: All Platforms

I am using the In-Plane TM Waves application mode in the RF Module. I would like to embed a perfect electric conductor, but this boundary condition is available only for exterior boundaries. Why is this, and how can I...
Version: 3.5,3.5a - Platform: All Platforms

973: My flux calculation seems wrong

I am solving a diffusion-like problem in COMSOL Multiphysics and discovered that boundaries that are defined with insulation/symmetry conditions have an integrated value of the normal component of the flux that is far...
Version: 3.3,3.4,3.5a - Platform: All Platforms