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1180: Invalid degree of freedom name

The following error message appears: "Invalid degree of freedom name." COMSOL does not recognize the name of a degree of freedom. Check the names of dependent variables that you have entered so that they match the...
Version: All versions - Platform: All Platforms

1179: Matrix has zero on diagonal

A "Matrix has zero on diagonal" error occurs. When the equations have a structure such that the stiffness matrix (Jacobian matrix) has zeros on the diagonal, it is not possible to use the following linear system...
Version: All versions - Platform: All Platforms

1178: COMSOL Multiphysics crashes when trying to access the documentation

COMSOL Multiphysics crashes when I try to access the documentation on my Linux Machine. With the release of COMSOL Multiphysics 5.4, the documentation will automatically be opened in an external web browser if ...
Version: All versions - Platform: Linux

1177: ERROR: hexadecimal value 0x00, is an invalid character

When trying to start COMSOL, I get a long error message that starts with: '.', hexadecimal value 0x00, is an invalid character. at System.Xml.XmlEncodedRawTextWriter.InvalidXmlChar(Int32 ch, Char* pDst, Boolean...
Version: All versions - Platform: Windows

1172: Solving time dependent models with inconsistent initial values

A common mistake when setting up transient models is to have initial conditions that are inconsistent with the loads and boundary conditions. This occurs most often when running transient fluid flow studies, but the...
Version: All versions - Platform: All Platforms

1171: Manual tuning of the Contact Pair condition.

In COMSOL 4.3b, the contact pair conditions were changed to improve manual tuning of the augmented Lagrangian contact formulation. In the augmented Lagrangian method, the penalty factor controls how “hard” the...
Version: All versions - Platform: All Platforms

1170: Error: .NET Framework Initialization Error

When I start COMSOL Multiphysics on Windows I get one of the following error messages: comsol.exe - .NET Framework Initialization Error To run this application, you must first install one of the following versions of...
Version: All versions - Platform: Windows

1167: Error: Failed to connect to Inventor

When I try to synchronize the geometry between COMSOL and Inventor LT, the error message Failed to connect to Inventor. Please make sure Inventor is running. is displayed. Inventor LT does not support third party...
Version: All versions - Platform:

1163: Error: Failed to connect to Inventor

When I try to synchronize the geometry between COMSOL and Inventor, the error message Failed to connect to Inventor. Please make sure Inventor is running. is displayed. In addition, in the Inventor user interface,...
Version: All versions - Platform: Windows

1162: Error: Failed to connect to PTC Pro/ENGINEER

When I try to synchronize the geometry between COMSOL and PTC Pro/ENGINEER Wildfire 4.0, the error message Failed to connect to PTC Pro/ENGINEER. Please make sure PTC Pro/ENGINEER is running. is displayed. The...
Version: All versions - Platform: