Support Knowledge Base

1157: Improve the performance of contact models built in version 4.0a or...

I have an old contact model that was built in COMSOL Multiphysics 4.0a or earlier. Now that I am using a later version of COMSOL Multiphysics, how can I take advantage of the better stability of this version in my...
Version: All versions - Platform: All Platforms

1156: Displacements control spatial frame issue in 4.3b

The property **Displacements control spatial frame** does not exist in Solid Mechanics in COMSOL 4.3b, because the displacements now always control the spatial frame. When loading a model built with a previous version...
Version: 4.3b - Platform:

1103: Frequency-dependent meshing

I am solving a wave equation over a wide range of frequencies. At the highest frequencies, I need a very fine mesh in order to resolve the wavelength. For lower frequencies, I am happy with a coarser mesh. How do...
Version: 4.1,4.2 - Platform: All Platforms

1102: Improve the stability of your contact model

In this article, you can find both general tips of how to improve convergence in your contact model and how to change solver settings of older models. ## Some General Contact Tips * The choice of source and...
Version: All versions - Platform: All Platforms