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Mesh extend in V4
Posted Jun 29, 2010, 6:59 a.m. EDT 2 Replies
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Hello everybody,
does anybody know what's behind the mesh extend routine.
In some cases, the progress tab freezes with "Mesh Extend 100%", but the solver iterations don't start (although CPU power is consumed by the process) - and nothing changes for hours so that I have to kill the process.
Is it possibly a matter of mesh quality or number of mesh elements? My mesh is hexahedral with min mesh quality of ~3% and ~60,000 elements.
Is there anybody facing the same problems (I am using the Linux version of COMSOL)
Thanks!
does anybody know what's behind the mesh extend routine.
In some cases, the progress tab freezes with "Mesh Extend 100%", but the solver iterations don't start (although CPU power is consumed by the process) - and nothing changes for hours so that I have to kill the process.
Is it possibly a matter of mesh quality or number of mesh elements? My mesh is hexahedral with min mesh quality of ~3% and ~60,000 elements.
Is there anybody facing the same problems (I am using the Linux version of COMSOL)
Thanks!
2 Replies Last Post Jun 29, 2010, 8:23 a.m. EDT
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Posted:
1 decade ago
Hi
i havent noticed that so far (V4 windows and unix), but usually I mesh by hand first and I do not launch the solver before I'm happy with the quality. On the other hand V4 Windows and Unix I have difficulties to "stop" or cancel large iterative studies, they seem to continue for ever, and at least pass through all steps
Probabnly something to report to support too.
Good luck
Ivar
i havent noticed that so far (V4 windows and unix), but usually I mesh by hand first and I do not launch the solver before I'm happy with the quality. On the other hand V4 Windows and Unix I have difficulties to "stop" or cancel large iterative studies, they seem to continue for ever, and at least pass through all steps
Probabnly something to report to support too.
Good luck
Ivar
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Posted:
1 decade ago
Hi Ivar,
that's the way I do it and I also know the problems stopping the solver. I think the mesh routine comes from using Multigrid method.
I think I got it. There was a problem with an old solution on a slightly different geometry. I cleared the solution and it works now.
Again thanks for your suggestions,
Marcel
that's the way I do it and I also know the problems stopping the solver. I think the mesh routine comes from using Multigrid method.
I think I got it. There was a problem with an old solution on a slightly different geometry. I cleared the solution and it works now.
Again thanks for your suggestions,
Marcel