General
COMSOL Not Working on a Linux Cluster
Solution Number: 1298 Applies to: COMSOL Multiphysics, COMSOL Server Versions: 6.1, 6.0, 5.6I am observing that distributed cluster jobs on Linux are not starting up. I am receiving error messages from MPI. The underlying reason for COMSOL not working on a Linux cluster might be that the network interface ...
COMSOL 6.0 macOS Apple Silicon Native (M1) Support
Solution Number: 1294 Versions: 6.0Please note This entry concerns COMSOL 6.0 for COMSOL 6.1, please see Knowledge Base 1300 Limitations LiveLink for MATLAB and LiveLink for Simulink are not supported. COMSOL Model Manager Server is not supported. ...
How can I check if I can connect to the license server
Solution Number: 1288 Versions: All versionsWhen trying to launch COMSOL Multiphysics, I get an error message that indicates that I am not able to connect to the license manager. How can I check that? There are several ways of testing if you can connect to a ...
Graphical Glitches in the User Interface on Gaming Computers
Solution Number: 1290 Versions: 5.6Some users running COMSOL Multiphysics on gaming computers have started experiencing graphical glitches in the user interface. It looks like rows are replaced by magnified parts of themselves. The glitches may also ...
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 ...