База знаний поддержки

All Solutions

1205: A degenerated tetrahedron was created

The error "A degenerated tetrahedron was created" occurs. First, due to continual improvements in meshing, make sure to use the latest version of COMSOL Multiphysics: Product Download The mesh generator ran into...
Version: All versions - Platform:

1204: Undefined variable

The following error occurs: "Undefined variable." This error indicates that a variable used in some setting is undefined. It might be a spelling error, or a name of a variable that has not been defined or that is not...
Version: All versions - Platform:

1203: Failed to evaluate variable

The following error occurs: "Failed to evaluate variable." This error message indicates that it is not possible to evaluate a variable used in some setting. In the Error window you can find the variable's name and its...
Version: All versions - Platform:

1202: Failed to evaluate variable Jacobian

The error "Failed to evaluate variable Jacobian" occurs An error occurred when evaluating the Jacobian matrix of the indicated variable. The domains in which COMSOL Multiphysics tried to evaluate the variable are...
Version: All versions - Platform: All Platforms

1199: 'Command not found' or 'No such file or directory' error when...

When I try to start the license manager for COMSOL 5.0, or later, on my Linux distribution I get an error message saying: ./lmgrd: Command not found. or ./lmgrd: No such file or directory The license manager requires...
Version: All versions - Platform: Linux

1195: License error

I receive a license error when installing, or launching, COMSOL Multiphysics, There are separate Knowledge Base entries for the most common error messages users experience. See the list under Related Issues below. If...
Version: All versions - Platform: All Platforms

1194: Singular matrix

An error "Singular matrix" occurs. The system matrix (Jacobian matrix or stiffness matrix) is singular, so the solver cannot invert it. Usually this means that the system is underdetermined. Check that all equations...
Version: All versions - Platform: All Platforms

1193: Maximum number of linear iterations reached

An error "Maximum number of linear iterations reached" occurs. If you get this error, the iterative linear system solver did not converge due to a bad initial guess or a bad preconditioner. To avoid the error, increase...
Version: All versions - Platform: All Platforms

1192: Initial guess leads to undefined function value

An error "Initial guess leads to undefined function value" occurs. This error message usually appears when you have set up an expression that returns “not a value”; that is, it is undefined for the initial...
Version: All versions - Platform: All Platforms

1191: Segregated solver steps do not involve all components

An error "Segregated solver steps do not involve all components" occurs. The groups for the segregated solver do not include all dependent variables. One reason for this error could be that some boundary conditions...
Version: All versions - Platform: All Platforms