Note: This discussion is about an older version of the COMSOL Multiphysics® software. The information provided may be out of date.
Discussion Closed This discussion was created more than 6 months ago and has been closed. To start a new discussion with a link back to this one, click here.
COMSOL Error Message
Posted 6 févr. 2013, 09:26 UTC−5 Plasma Physics Version 4.3a 2 Replies
Please login with a confirmed email address before reporting spam
Hi
I've been problems with COMSOL in Plasma Module
The following feature has encountered a problem:
"The source selection for the operator intpot1 must be nonempty. Error in multiphysics compilation.
- Feature: Compile Equation : Time Dependent (Sol1/st1)
- Error: The source selection for the operator intpot1 must be nonempty"
Would you mind to help me?
Thanks you very much
Natthawut
I've been problems with COMSOL in Plasma Module
The following feature has encountered a problem:
"The source selection for the operator intpot1 must be nonempty. Error in multiphysics compilation.
- Feature: Compile Equation : Time Dependent (Sol1/st1)
- Error: The source selection for the operator intpot1 must be nonempty"
Would you mind to help me?
Thanks you very much
Natthawut
2 Replies Last Post 6 févr. 2013, 20:10 UTC−5
Please login with a confirmed email address before reporting spam
Posted:
1 decade ago
Natthawut,
You did not select any domain or boundary when you defined integration operator under Definition/Model Coupling/Integration.
Regards,
Sergei
You did not select any domain or boundary when you defined integration operator under Definition/Model Coupling/Integration.
Regards,
Sergei
Please login with a confirmed email address before reporting spam
Posted:
1 decade ago
Thank you sir
I modified the program to run. I also have a error message following
"Repeated error test failures. May have reached a singularity.
Time : 6.331016568333548e-009
Undefined value found.
Undefined value found in the stiffness matrix.
There are 2 equations giving NaN/Inf in the matrix rows for the variable mod1.wAr_1p.
at coordinates: (2.3612e-005,9.08325e-005), (2.15237e-005,8.63755e-005), ...
and similarly for the degrees of freedom, NaN/Inf in the matrix columns.
Last time step is not converged.
- Feature: Time Dependent (Sol1/st1)
- Error Repeated error test failures. May have reache a singularity"
Would you mind to help me?
Best Regards
Natthawut
I modified the program to run. I also have a error message following
"Repeated error test failures. May have reached a singularity.
Time : 6.331016568333548e-009
Undefined value found.
Undefined value found in the stiffness matrix.
There are 2 equations giving NaN/Inf in the matrix rows for the variable mod1.wAr_1p.
at coordinates: (2.3612e-005,9.08325e-005), (2.15237e-005,8.63755e-005), ...
and similarly for the degrees of freedom, NaN/Inf in the matrix columns.
Last time step is not converged.
- Feature: Time Dependent (Sol1/st1)
- Error Repeated error test failures. May have reache a singularity"
Would you mind to help me?
Best Regards
Natthawut