Re: [petsc-users] import a mesh.

[Olivier Bonnefon]

Hello,

Thank-you, I'm using DMPlexCreateFromCellList(), and it works except for 
the boundary conditions.
I'm using Dirichlet boundary conditions, and the corresponding degree of 
freedom are not substituted (like when I use DMPlexCreateBoxMesh).
So, I do have missing a step to define the boundary ?
Olivier B


On 08/20/2013 03:08 PM, Matthew Knepley wrote:
On Tue, Aug 20, 2013 at 7:50 AM, Olivier Bonnefon 
<olivier.bonne...@avignon.inra.fr 
<mailto:olivier.bonne...@avignon.inra.fr>> wrote:

    Hello,

    I have modify the ex12.c example for a like diffusive problem
    (FEM+unstructured mesh+SNES).
    The next step, is to replace the square mesh by my own mesh.
    I want import my mesh from a simple file, and after distributed it
    with DMPlexDistribute.
    Is it the good way ?
    Is it possible to import a mesh in petsc ? I didn't find the
    answer in the documentation. Is there an example ?


There are a few formats supported:

  1) Cell-vertex: DMPlexCreateFromCellList()

  2) Exodus: DMPlexCreateExodus()

  3) CGNS: DMPlexCreateCGNS()

  Thanks,

     Matt

    Thanks
    Olivier Bonnefon

    -- 
    Olivier Bonnefon
    INRA PACA-Avignon, Unité BioSP
    Tel: +33 (0)4 32 72 21 58 <tel:%2B33%20%280%294%2032%2072%2021%2058>




--
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


--
Olivier Bonnefon
INRA PACA-Avignon, Unité BioSP
Tel: +33 (0)4 32 72 21 58