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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. We expect that a future driver update will ...


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 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: 5.6, 5.5

From version 5.5, COMSOL Multiphysics officially supports Oracle (R) Linux 8.2. COMSOL Multiphysics versions 5.5 and forward officially support Oracle (R) Linus 8.2. COMSOL has not tested COMSOL Multiphysics 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: 5.5

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 ...


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