All Solutions

The Log Window in COMSOL Multiphysics is Unreadable on my Linux computer

Solution Number: 1287 Versions: All versions

The 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 ...


Which Linux Operating Systems does COMSOL Support?

Solution Number: 1286 Versions: All versions

Which Linux Operating Systems are supported by COMSOL? COMSOL strives to support maintained Long-Term Support (LTS) versions of the most popular Linux distributions used in enterprises. This includes CentOS 7 (until ...


Graphics Window Not Responding on Computer with Intel Iris Xe Graphics Chip

Solution Number: 1285 Versions: All versions

I 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 ...


My Compiled App Fails to Run on macOS 11

Solution Number: 1283 Versions: 5.5

After upgrading to macOS 11, I receive an error when trying to launch a compiled application. Note: please follow the instructions below exactly. Do not attempt to copy the folders in the ZIP archive to the ...


COMSOL Multiphysics 5.5 Fails to Start on macOS 11

Solution Number: 1282 Versions: 5.5

After 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 versions

I 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: 5.5

For 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 ...


Error: Please close the COMSOL window in SOLIDWORKS before synchronizing the geometry

Solution Number: 1279 Applies to: LiveLink for SOLIDWORKS Versions: 5.5

When I try to synchronize the geometry between COMSOL and SOLIDWORKS, the error message Please close the COMSOL window in SOLIDWORKS before synchronizing the geometry. is displayed. This error has been fixed in ...


McAfee antivirus removes file from COMSOL installation

Solution Number: 1278 Versions: 5.5, 5.4, 5.3a, 5.3, 5.2a, 5.2

After a recent update of the McAfee antivirus software, it flags a COMSOL file as a dangerous file and removes it, leaving COMSOL in a broken state. When trying to launch COMSOL, I get an error saying: Could not find ...


Does COMSOL Multiphysics Run on Oracle® Linux?

Solution Number: 1277 Versions: 6.2, 6.1, 6.0, 5.6, 5.5

Does 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 ...