[CIG-SHORT] Petsc linear solver not converging
Birendra jha
bjha7333 at yahoo.com
Thu Feb 26 07:36:41 PST 2015
Brad,
Maximum aspect ratio is around 50. I know it's too large and I am working on a new grid. Is there anything I can do on the solver side?
Thanks
Birendra
--------------------------------------------
On Thu, 2/26/15, Brad Aagaard <baagaard at usgs.gov> wrote:
Subject: Re: [CIG-SHORT] Petsc linear solver not converging
To: cig-short at geodynamics.org
Date: Thursday, February 26, 2015, 10:23 AM
Birendra,
Have you run the mesh quality
checks? What is the maximum aspect ratio?
Brad
On
2/26/15 7:04 AM, Birendra jha wrote:
>
Hi
>
> I am facing
linear solver convergence issue while trying to run the
attached test case. The only complexity in the problem is
its unstructured grid, created to honor surface layers and
two faults.
>
> I will
appreciate any help in resolving this issue. I would like to
avoid grid refinement.
>
> Thanks and regards
>
Birendra
>
>
>
>
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