Base de connaissances du support

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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Resolving Time-Dependent Waves

Solution numéro: 1118 Se réfère à: Acoustics Module, COMSOL Multiphysics, MEMS Module, RF Module, Structural Mechanics Module, Wave Optics Module Versions: Toutes les 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, ...

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

Solution numéro: 1274 Se réfère à: COMSOL Multiphysics Versions: 5.6, 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 ...

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LiveLink for CAD Product Uninstalled After installing COMSOL Multiphysics 5.5 update 2

Solution numéro: 1273 Se réfère à: 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 ...

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

Solution numéro: 1272 Versions: Toutes les 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 ...

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Understanding, and changing, the element order

Solution numéro: 1270 Versions: Toutes les versions

What 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 ...

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When changing the license file on the license server, COMSOL Multiphysics loses contact to the license server

Solution numéro: 1271 Se réfère à: COMSOL Multiphysics Versions: 5.5, 5.4

When 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 ...

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Error when trying to start the license manager for COMSOL 5.5 on Linux

Solution numéro: 1268 Se réfère à: COMSOL Multiphysics Versions: 5.6, 5.5

When 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 ...

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Solving Complicated Models

Solution numéro: 1267 Versions: Toutes les versions

I 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 ...

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