Base de connaissances du support

Graphical Glitches in the User Interface on Gaming Computers

Solution numéro: 1290 Versions: 5.6

Some 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 ...

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Network Connect to THIS_HOST Failed.

Solution numéro: 1289 Versions: Toutes les versions

When 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 ...

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

Solution numéro: 1287 Versions: Toutes les 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 ...

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

Solution numéro: 1285 Versions: Toutes les 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 ...

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COMSOL Multiphysics 5.5 Fails to Start on macOS 11

Solution numéro: 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 ...

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How to Debug an External Material

Solution numéro: 1281 Se réfère à: COMSOL Multiphysics, Structural Mechanics Module Versions: Toutes les 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 ...

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Design Module License Checked out Directly when Starting 2D Drawings

Solution numéro: 1280 Se réfère à: 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 ...

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Does COMSOL Multiphysics Run on Oracle® Linux?

Solution numéro: 1277 Versions: 6.3, 6.2, 6.1, 6.0, 5.6, 5.5

Does COMSOL Multiphysics run on Oracle Linux? COMSOL Multiphysics version 6.3 officially supports Oracle Linux 8.10 and 9.4 COMSOL Multiphysics version 6.2 officially supports Oracle Linux 8.8 and 9.2. COMSOL ...

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Is COMSOL 5.5 Supported on Cray Clusters?

Solution numéro: 1276 Versions: Toutes les 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 ...

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Thread placement on >64 logical cores on Windows

Solution numéro: 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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