All Solutions

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: All versions

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 may occur sometimes ...

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 (R) Linux?

Solution Number: 1277 Versions: 5.5

COMSOL Multiphysics version 5.5 officially supports Oracle (R) Linux 8.2. COMSOL Multiphysics version 5.5 officially supports Oracle (R) Linus 8.2. COMSOL has not tested COMSOL Multiphysics version 5.5 on other ...

Is COMSOL 5.5 Supported on Cray Clusters?

Solution Number: 1276 Versions: All versions

COMSOL 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: All versions

On 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 ...

Resolving time-dependent waves

Solution Number: 1118 Applies to: Acoustics Module, COMSOL Multiphysics, MEMS Module, RF Module, Structural Mechanics Module, Wave Optics Module Versions: All versions

I am solving a time-dependent wave-type problem, what mesh and solver settings should I adjust for better accuracy and runtimes? The accuracy of a time-dependent model solving for electromagnetic, acoustic, ...

Unexpected error on startup of COMSOL pointing to "Could not load file or assembly 'cstextrenderer_wpf"

Solution Number: 1274 Applies to: COMSOL Multiphysics Versions: 5.5

After 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 ...

LiveLink for CAD Product uninstalled after installing COMSOL Multiphysics 5.5 update 2

Solution Number: 1273 Applies to: LiveLink for AutoCAD, LiveLink for Inventor, LiveLink for PTC Creo Parametric, LiveLink for PTC Pro/ENGINEER, LiveLink for Revit, LiveLink for Solid Edge, LiveLink for SOLIDWORKS Versions: 5.5

During the update of my COMSOL Multiphysics 5.5 installation to update 2 (build number, the LiveLink for CAD product is uninstalled, and after the update I can no longer find the COMSOL Multiphysics tab in ...

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