[petsc-users] Partitioning meshes with DMPlex

[Jed Brown]

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".

> 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 
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 835 bytes
Desc: not available
URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20131023/96ba2b48/attachment.pgp>