[petsc-users] Questions about the physical groups

[Matthew Knepley]

On Tue, Aug 27, 2019 at 6:22 AM Jian Zhang - 3ME via petsc-users <
petsc-users at mcs.anl.gov> wrote:

> Hi all,
>
> I have a mesh file where I defined a physical group named "volume" whose
> id is 0.
>
> For DMPlex, I know that I can use this id (0) to access this physical
> group. Here I would like to ask that is it possible to use the physical
> group name "volume" to achieve this in DMPlex. Thank you very much.
>
> Do you mean the $PhysicalNames section in a GMsh file? No, right now we
ignore those names. We could maintain a
translation table in the DM between the names and integers, but it seemed
to specialized to GMsh. We are willing to
listen to arguments however.

 Thanks,

    Matt

> Bests,
>
> Jian
>


-- 
What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which their
experiments lead.
-- Norbert Wiener

https://www.cse.buffalo.edu/~knepley/ <http://www.cse.buffalo.edu/~knepley/>
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