Support Knowledge Base

Why do I get the error Failed to compute elastoplastic strain variables when using plasticity/concrete/soil plasticity? This happens because the elastoplastic element cannot evaluate a plastic step if the current...
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When installing COMSOL over the Internet, the following error(s) occur: Error downloading file. Connect timed out Error Downloading file. Connection refused: connect Error Downloading file....
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I am working with a floating network license of COMSOL. How can I determine who is currently using COMSOL or a specific module? The COMSOL installation provides FlexNet license utility programs that produce a list of...
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COMSOL Multiphysics crashes silently when modeling. When you try to restart COMSOL it may crash immediately. The cause of this behavior can be a hardware error on some part of your memory cards. It is recommended that...
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I get the warning MUMPS allocation factor increased to 1.44 If you get a solution, this warning is nothing to worry about. You can get rid of the warning and possibly get a little shorter solution time by setting the...
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When I look at the Solver Log of a time dependent model, I see that the NLFail column has non-zero entries: Step TimeStepsize Res JacSolOrderTfailNLfailLinErrLinRes 0 0-out 23208e-14 3.5e-15 ...
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When updating the COMSOL model library, I get the following message: Error contacting the update server Please check your internet connection. If you think your internet connection is fine, you are maybe connected...
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When I synchronize the geometry between AutoCAD LT and COMSOL Multiphysics I get the error message: Failed to connect to AutoCAD. Please make sure AutoCAD is running. AutoCAD LT does not support third party add-ins....
Version: All versions - Platform: Windows

When I try to synchronize the geometry between COMSOL and SOLIDWORKS, the error message Failed to connect to SOLIDWORKS. Please make sure SOLIDWORKS is running. is displayed, and the COMSOL Multiphysics tab in...
Version: All versions - Platform: Windows

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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