All Solutions
Is COMSOL 5.5 Supported on Cray Clusters?
Solution Number: 1276 Versions: All versionsCOMSOL 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: 5.5On 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 versionsI 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: 5.6, 5.5After 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: 5.5During 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 versionsI 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 ...
Understanding, and changing, the element order
Solution Number: 1270 Versions: All versionsWhat is the meaning of element order, or discretization, and how do I change it? What affect does it have on the mesh and the solution? Why does the mesh look like it has straight sides even with higher-order ...
When changing the license file on the license server, COMSOL Multiphysics loses contact to the license server
Solution Number: 1271 Applies to: COMSOL Multiphysics Versions: 5.5, 5.4When the license file hosted by the license manager is changed, my running COMSOL Multiphysics session loses the connection to the license manager and does not reconnect again. This issue will be fixed in COMSOL ...
Error when trying to start the license manager for COMSOL 5.5 on Linux
Solution Number: 1268 Applies to: COMSOL Multiphysics Versions: 5.6, 5.5When trying to start the license manager for COMSOL Multiphysics 5.5 on my Linux computer, I receive the following error message: LMCOMSOL: /lib64/libc.so.6: version `GLIBC_2.14' not found (required by LMCOMSOL) The ...
Solving Complicated Models
Solution Number: 1267 Versions: All versionsI have a large, complicated, model that is not solving, or taking a long time to solve. What should I do? There are a number of reasons why a model may not be solving, or solving very slowly. This article describes ...