General

Does COMSOL Muliphysics run on Oracle Linux

Solution Number: 1277 Versions: 5.5

COMSOL Multiphysics version 5.5 self-certified for Oracle Linux 7.7 and 8.0 COMSOL has not tested COMSOL Multiphysics version 5.5 on Oracle Linux, and therefore we do not list Oracle Linux as an officially supported ...


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 ...


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 5.5.0.352), the LiveLink for CAD product is uninstalled, and after the update I can no longer find the COMSOL Multiphysics tab in ...


Setup and Meshing of Infinite Elements, Perfectly Matched Layers, and Absorbing Layers

Solution Number: 1272 Versions: All versions

I am setting up a model where I want to include a region of infinite extent. How should such situations be modeled and meshed? #Overview There are three options for modeling a domain that is meant to represent a ...


COMSOL crashes on startup after updating to Debian 10

Solution Number: 1266 Versions: 5.4

After updating my Debian installation from Debian 9 to Debian 10, COMSOL crashes on startup. This issue has been observed by some Debian users when updating from Debian 9 to Debian 10. There are two possible solutions ...


How can I see the equations COMSOL is defining? How do I implement a user-defined Multiphysics coupling?

Solution Number: 1259 Versions: All versions

I would like to define my own customized coupling between two existing physics interfaces. How can I do this? How can I find the names of the variables that I will need to use? How can I see the names of all ...


Solving electromagnetic heating models with high-frequency loads

Solution Number: 1257 Versions: All versions

I am solving a Multiphysics problem involving electromagnetics and heat transfer. The electromagnetic fields are varying at a constant frequency, and the period is very short compared to the timespan over which the ...


Running parametric sweeps, batch sweeps, and cluster sweeps from the command line

Solution Number: 1250 Versions: All versions

This solution describes how to launch a parametric sweep, a batch sweep, or a cluster sweep simulation in COMSOL Multiphysics® from the command line. ## Short Summary Model methods are presented as a concept to ...


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