Hi Peter,
I downloaded files "ThermalFlowInCurvedPipe.zip" from "https://www.csc.fi/web/training/-/elmerfem_may2018". Files are from 23-24 May course this year.
When i run the model i got following error message
"ERROR:: AddEquationSolution: > MG Levels < must be defined for geometric multigrid!".
Could you please guide me how can i define "MG levels" as error is highlighted.
I am attaching solver log file for your reference.
Kind regards
ERROR:: AddEquationSolution: > MG Levels < must be defined for geometric multigrid
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ERROR:: AddEquationSolution: > MG Levels < must be defined for geometric multigrid
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Re: ERROR:: AddEquationSolution: > MG Levels < must be defined for geometric multigrid
Hi
Which of the files are you running? As far as I can see none of them uses geometric multigrid?
The keyword "MG Levels" is explained in ElmerSolver Manual.
-Peter
Which of the files are you running? As far as I can see none of them uses geometric multigrid?
The keyword "MG Levels" is explained in ElmerSolver Manual.
-Peter
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Re: ERROR:: AddEquationSolution: > MG Levels < must be defined for geometric multigrid
Hi Peter,
All files attached here, did not change anything, I load the project and run it. all files are downloaded from the "ThermalFlowInCurvedPipe" or the link where you have uploaded course material "https://www.csc.fi/web/training/-/elmerfem_may2018".
Zip file includes the solver log files as well.
Regards
All files attached here, did not change anything, I load the project and run it. all files are downloaded from the "ThermalFlowInCurvedPipe" or the link where you have uploaded course material "https://www.csc.fi/web/training/-/elmerfem_may2018".
Zip file includes the solver log files as well.
Regards
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Re: ERROR:: AddEquationSolution: > MG Levels < must be defined for geometric multigrid
Hi
Rather than loading the project go to the project directory and simply call "ElmerSolver" on command line.
The project file is unfortunately version depedent. The sif file on the other hand is always backward compatible.
-Peter
Rather than loading the project go to the project directory and simply call "ElmerSolver" on command line.
The project file is unfortunately version depedent. The sif file on the other hand is always backward compatible.
-Peter
Re: ERROR:: AddEquationSolution: > MG Levels < must be defined for geometric multigrid
Hi,
I saw you use the following preconditioner in your .sif file
"Linear System Preconditioning = Multigrid"
You may try to either provide the multigrid level, or simply change the preconditioner to
"Linear System Preconditioning = ILUT"
-Chenyang
I saw you use the following preconditioner in your .sif file
"Linear System Preconditioning = Multigrid"
You may try to either provide the multigrid level, or simply change the preconditioner to
"Linear System Preconditioning = ILUT"
-Chenyang
Best regards,
C. Weng
C. Weng
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Re: ERROR:: AddEquationSolution: > MG Levels < must be defined for geometric multigrid
Thanks Chenyang! Changing from Multigrid to ILUT worked for me.