On Thu, Sep 26, 2013 at 6:04 AM, Olivier Bonnefon < olivier.bonne...@avignon.inra.fr> wrote:
> Hello, > > I have implemented my own system from ex12.c. It works with Dirichlet BC, > but failed with Neumann one. > > So, I'm came back to the example /src/snes/example/tutorial/**ex12.c, and > I tried with Neumann BC: > > ./ex12 -bc_type NEUMANN > Here is the full list of tests I run (just checked that it passes in 'next'): https://bitbucket.org/petsc/petsc/src/f34a81fe8510aa025c9247a5b14f0fe30e3c0bed/config/builder.py?at=master#cl-175 Make sure you use an interpolated mesh with Neumann conditions since you need faces. Matt > This leads to the following crach: > > [0]PETSC ERROR: --------------------- Error Message > ------------------------------**------ > [0]PETSC ERROR: No support for this operation for this object type! > [0]PETSC ERROR: Unsupported number of vertices 0 in cell 8 for element > geometry computation! > [0]PETSC ERROR: ------------------------------** > ------------------------------**------------ > [0]PETSC ERROR: Petsc Release Version 3.4.2, Jul, 02, 2013 > [0]PETSC ERROR: See docs/changes/index.html for recent updates. > [0]PETSC ERROR: See docs/faq.html for hints about trouble shooting. > [0]PETSC ERROR: See docs/index.html for manual pages. > [0]PETSC ERROR: ------------------------------** > ------------------------------**------------ > [0]PETSC ERROR: ./ex12 on a arch-linux2-c-debug named pcbiom38 by olivierb > Thu Sep 26 14:53:32 2013 > [0]PETSC ERROR: Libraries linked from /home/olivierb/SOFT/petsc-3.4.** > 2/arch-linux2-c-debug/lib > [0]PETSC ERROR: Configure run at Thu Sep 26 14:44:42 2013 > [0]PETSC ERROR: Configure options --with-debugging=1 --download-fiat > --download-scientificpython --download-generator --download-triangle > --download-ctetgen --download-chaco --download-netcdf --download-hdf5 > [0]PETSC ERROR: ------------------------------** > ------------------------------**------------ > [0]PETSC ERROR: DMPlexComputeCellGeometry() line 732 in > /home/olivierb/SOFT/petsc-3.4.**2/src/dm/impls/plex/**plexgeometry.c > [0]PETSC ERROR: DMPlexComputeResidualFEM() line 558 in > /home/olivierb/SOFT/petsc-3.4.**2/src/dm/impls/plex/plexfem.c > [0]PETSC ERROR: SNESComputeFunction_DMLocal() line 75 in > /home/olivierb/SOFT/petsc-3.4.**2/src/snes/utils/dmlocalsnes.c > [0]PETSC ERROR: SNESComputeFunction() line 1988 in > /home/olivierb/SOFT/petsc-3.4.**2/src/snes/interface/snes.c > [0]PETSC ERROR: SNESSolve_NEWTONLS() line 162 in > /home/olivierb/SOFT/petsc-3.4.**2/src/snes/impls/ls/ls.c > [0]PETSC ERROR: SNESSolve() line 3636 in /home/olivierb/SOFT/petsc-3.4.** > 2/src/snes/interface/snes.c > [0]PETSC ERROR: main() line 582 in "unknowndirectory/"/home/** > olivierb/solvers/trunk/**SandBox/PETSC/LANDSCAPE/REF/**ex12.c > ------------------------------**------------------------------** > -------------- > MPI_ABORT was invoked on rank 0 in communicator MPI_COMM_WORLD > with errorcode 56. > > NOTE: invoking MPI_ABORT causes Open MPI to kill all MPI processes. > You may or may not see output from other processes, depending on > exactly when Open MPI kills them. > ------------------------------**------------------------------** > -------------- > > With Gbd, I saw that DMPlexGetConeSize is 0 for the last point. > > Do I have forget a step to use Neumann BC ? > > Thanks > Olivier Bonnefon > > -- > Olivier Bonnefon > INRA PACA-Avignon, Unité BioSP > Tel: +33 (0)4 32 72 21 58 > > -- 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