[petsc-users] Partitioning meshes with DMPlex

[Matthew Knepley]

On Wed, Oct 23, 2013 at 10:43 AM, Jed Brown <jedbrown at mcs.anl.gov> wrote:

> Cedric Doucet <cedric.doucet at inria.fr> writes:
>
> > Hello,
> >
> > what is the best way to partition unstructured meshes stored with DMPlex?
>
> You can use DMPlexCreatePartition, which supports metis and chaco.
>
> Matt, DMPlexCreatePartition documentation has left out the partitioner
> "name".


I assume what you really want is DMPlexDistribute().

   Matt


> > Does one have to create an adjacency matrix and use MatPartitioning
> routines?
> > I do not want to partition the mesh graph (by cutting edges) but having
> a true domain decomposition (sets of cells per processor).
> >
> > Thank you very much for your help!
> >
> > Best regards,
> >
> > Cédric Doucet
>



-- 
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
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