[petsc-users] difference in Face Sets in latest petsc release

[Matthew Knepley]

On Tue, Dec 12, 2023 at 5:50 PM Sharan Roongta <s.roongta at mpie.de> wrote:

> Hello,
>
> I see discrepancy in the size/value of the 'Face Sets' printed in the
> current release v3.20.2 , and v3.18.6
>
> Attached is the .msh file
>
> -dm_view with v3.18.6
> DM Object: Generated Mesh 1 MPI process
>   type: plex
> Generated Mesh in 3 dimensions:
>   Number of 0-cells per rank: 14
>   Number of 1-cells per rank: 49
>   Number of 2-cells per rank: 60
>   Number of 3-cells per rank: 24
> Labels:
>   celltype: 4 strata with value/size (0 (14), 6 (24), 3 (60), 1 (49))
>   depth: 4 strata with value/size (0 (14), 1 (49), 2 (60), 3 (24))
>   Cell Sets: 1 strata with value/size (1 (24))
>   Face Sets: 5 strata with value/size (1 (4), 2 (4), 3 (4), 4 (4), 5 (4))
>
>
> -dm_view with the current release (commit 4b9a870af96)
>
> DM Object: Generated Mesh 1 MPI process
>   type: plex
> Generated Mesh in 3 dimensions:
>   Number of 0-cells per rank: 14
>   Number of 1-cells per rank: 49
>   Number of 2-cells per rank: 60
>   Number of 3-cells per rank: 24
> Labels:
>   celltype: 4 strata with value/size (0 (14), 6 (24), 3 (60), 1 (49))
>   depth: 4 strata with value/size (0 (14), 1 (49), 2 (60), 3 (24))
>   Cell Sets: 1 strata with value/size (1 (24))
>   Face Sets: 12 strata with value/size (1 (5), 2 (5), 3 (5), 4 (5), 5 (5),
> 6 (1), 7 (1), 8 (1), 9 (1), 10 (1), 11 (1), 12 (1))
>
> I believe the older version printed the correct thing? Has something
> changed in the interpretation of Face Sets?
>

Yes. In the older version, I was only labeling cells, faces, and vertices.
There were complaints, so I put in the edge labels. If you check, all the
additional labels are on edges, and checking your .msh file, those edges
clearly have those labels.

  Thanks,

     Matt


> Thanks,
> Sharan
>
> *Group - Theory & Simulation*
> *Department of Microstructure Physics & Alloy Design*
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-- 
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https://www.cse.buffalo.edu/~knepley/ <http://www.cse.buffalo.edu/~knepley/>
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