[petsc-users] Local and Global numberings after DMPlexDistribute

Matthew Knepley knepley at gmail.com
Tue Nov 12 17:25:21 CST 2013


On Tue, Nov 12, 2013 at 4:10 PM, Anthony Vergottis <a.vergottis at ucl.ac.uk>wrote:

> Dear All,
>
> How does one get the local and global numbers of nodes/elements on each
> process after the DMPlexDistribute function has been used to partition the
> mesh (DM object)?
>

Can you be more explicit? Vertices and cells are renumbered after
distribution to be contiguous on
each process:

  cell: [0, numCells)
  vertices: [numCells, numCells+numVertices)

   Matt


> Are there any built in PETSc  functions that offer such functionality?
>
> Thanks in advance.
>
> Regards,
> Anthony
>



-- 
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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