General
Network Connect to THIS_HOST Failed.
Solution Number: 1289 Versions: All versionsWhen launching COMSOL Multiphysics on Linux, i receive an error message that says: Network connect to THIS_HOST failed. The license file indicates THIS_HOST, and the server is not running on this host. If it's ...
The Log Window in COMSOL Multiphysics is Unreadable on my Linux computer
Solution Number: 1287 Versions: All versionsThe Log window in my COMSOL Multiphysics sessions looks like this: This issue is most commonly observed on Ubuntu 20.04 LTS (Focal Fossa) when the package texlive-fonts-recommended is present. But it has been ...
Graphics Window Not Responding on Computer with Intel Iris Xe Graphics Chip
Solution Number: 1285 Versions: All versionsI recently bought a laptop with the new Intel Iris Xe graphics chip. When I run COMSOL Multiphysics on it the Graphics window does not appear to respond to mouse movements. There are three suggested workarounds for ...
COMSOL Multiphysics 5.5 Fails to Start on macOS 11
Solution Number: 1282 Versions: 5.5After upgrading to macOS 11, COMSOL Multiphysics 5.5 fails to launch. # Make sure you are running COMSOL Multiphysics 5.5 Update 3. From the COMSOL Multiphysics installation directory, go to the directory called ...
How to Debug an External Material
Solution Number: 1281 Applies to: COMSOL Multiphysics, Structural Mechanics Module Versions: All versionsI have a implemented an external material for use with Structural Mechanics, but my model is not solving. External materials are coded in C, and then compiled into a shared library that COMSOL Multiphysics uses at ...
Design Module License Checked out Directly when Starting 2D Drawings
Solution Number: 1280 Applies to: COMSOL Multiphysics, Design Module Versions: 5.5For users of a floating-network license for COMSOL Multiphysics that includes the Design Module, a license key for the Design Module is checked out as soon as you draw something in a 2D geometry. This is the case even ...
Does COMSOL Multiphysics Run on Oracle® Linux?
Solution Number: 1277 Versions: 6.2, 6.1, 6.0, 5.6, 5.5Does COMSOL Multiphysics run on Oracle Linux? COMSOL Multiphysics version 6.2 officially supports Oracle Linux 8.8 and 9.2. COMSOL Multiphysics version 6.1 officially supports Oracle Linux 8.6 and 9.0. COMSOL ...
Is COMSOL 5.5 Supported on Cray Clusters?
Solution Number: 1276 Versions: All versionsCOMSOL Multiphysics version 5.5 supports distributed memory computing on Cray clusters. We have verified that COMSOL Multiphysics version 5.5 runs in distributed mode on the Cray XC40 under CLE 7.0. We have tested that ...
Thread placement on >64 logical cores on Windows
Solution Number: 1275 Versions: 5.5On Windows computers with more than 64 logical cores (e.g. with more than 32 physical cores and Hyperthreading enabled as recommended) thread placement for COMSOL Multiphysics or COMSOL Server can be inefficient. You ...
Unexpected error on startup of COMSOL pointing to "Could not load file or assembly 'cstextrenderer_wpf"
Solution Number: 1274 Applies to: COMSOL Multiphysics Versions: 5.6, 5.5After installing COMSOL Multiphysics, I receive an unexpected error when launching it. Looking in the log file, it points to an issue with cstextrenderer_wpf as per below 2020-01-08T13:52:42.170+01:00 Could not load ...