[CIG-SHORT] Petsc linear solver not converging

[Tabrez Ali]

Birendra

You can try a sparse direct solver like MUMPS.

Tabrez

On 02/26/2015 09:36 AM, Birendra jha wrote:
> 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
>   >
>   >
>   >
>   >
>   _______________________________________________
>   > CIG-SHORT mailing list
>   > CIG-SHORT at geodynamics.org
>   > http://lists.geodynamics.org/cgi-bin/mailman/listinfo/cig-short
>   >
>   
>   _______________________________________________
>   CIG-SHORT mailing list
>   CIG-SHORT at geodynamics.org
>   http://lists.geodynamics.org/cgi-bin/mailman/listinfo/cig-short
> _______________________________________________
> CIG-SHORT mailing list
> CIG-SHORT at geodynamics.org
> http://lists.geodynamics.org/cgi-bin/mailman/listinfo/cig-short