[petsc-users] problem with generating simplicies mesh

[Matthew Knepley]

On Mon, May 20, 2019 at 9:38 AM Stefano Zampini <stefano.zampini at gmail.com>
wrote:

> Matt,
>
> You coded it. This is trying to mesh the boundary….
>

Maybe. I was not the last one to touch it :)


https://bitbucket.org/petsc/petsc/commits/367003a68d4e38a62ba2a0620cd4e6f42aa373fd#chg-src/dm/impls/plex/plexgenerate.c

I will fix the error message.

  Thanks,

     Matt


> On May 20, 2019, at 3:36 PM, Matthew Knepley <knepley at gmail.com> wrote:
>
> On Mon, May 20, 2019 at 8:34 AM Stefano Zampini <stefano.zampini at gmail.com>
> wrote:
>
>> Matt,
>>
>> The code is actually for 2d.
>>
>
> "No grid generator of dimension 1 registered"
>
>    Matt
>
>
>> On May 20, 2019, at 12:54 PM, Matthew Knepley via petsc-users <
>> petsc-users at mcs.anl.gov> wrote:
>>
>> On Sun, May 19, 2019 at 9:22 AM 陳鳴諭 via petsc-users <
>> petsc-users at mcs.anl.gov> wrote:
>>
>>> I have problem with generating simplicies mesh.
>>> I do as the description in DMPlexCreateBoxmesh says, but still meet
>>> error.
>>>
>>
>> Stefano is right that you will need a mesh generator for a simplex mesh.
>> However, you are asking for
>> a 1D mesh for which there are no generators. Since in 1D simplces and
>> tensor cells are the same,
>> just change it to tensor and it will work.
>>
>>   Thanks,
>>
>>      Matt
>>
>>
>>> The following is the error message:
>>> [0]PETSC ERROR: --------------------- Error Message
>>> --------------------------------------------------------------
>>> [0]PETSC ERROR: Argument out of range
>>> [0]PETSC ERROR: No grid generator of dimension 1 registered
>>> [0]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html for
>>> trouble shooting.
>>> [0]PETSC ERROR: Petsc Development GIT revision: v3.11.1-723-g96d64d1
>>> GIT Date: 2019-05-15 13:23:17 +0000
>>> [0]PETSC ERROR: ./membrane on a arch-linux2-c-debug named
>>> simon-System-Product-Name by simon Sun May 19 20:54:54 2019
>>> [0]PETSC ERROR: Configure options --with-cc=gcc --with-cxx=g++
>>> --with-fc=gfortran --download-mpich --download-fblaslapack
>>> [0]PETSC ERROR: #1 DMPlexGenerate() line 181 in
>>> /home/simon/petsc/src/dm/impls/plex/plexgenerate.c
>>> [0]PETSC ERROR: #2 DMPlexCreateBoxMesh_Simplex_Internal() line 536 in
>>> /home/simon/petsc/src/dm/impls/plex/plexcreate.c
>>> [0]PETSC ERROR: #3 DMPlexCreateBoxMesh() line 1071 in
>>> /home/simon/petsc/src/dm/impls/plex/plexcreate.c
>>> [0]PETSC ERROR: #4 main() line 54 in /home/simon/Downloads/membrane.c
>>> [0]PETSC ERROR: PETSc Option Table entries:
>>> [0]PETSC ERROR: -dm_view
>>> [0]PETSC ERROR: ----------------End of Error Message -------send entire
>>> error message to petsc-maint at mcs.anl.gov----------
>>> application called MPI_Abort(MPI_COMM_WORLD, 63) - process 0
>>> [unset]: write_line error; fd=-1 buf=:cmd=abort exitcode=63
>>> :
>>> system msg for write_line failure : Bad file descriptor
>>>
>>>
>>>
>>> I need some help about this, please.
>>>
>>> Simon
>>>
>>
>>
>> --
>> 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
>>
>> https://www.cse.buffalo.edu/~knepley/
>> <http://www.cse.buffalo.edu/~knepley/>
>>
>>
>>
>
> --
> 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
>
> https://www.cse.buffalo.edu/~knepley/
> <http://www.cse.buffalo.edu/~knepley/>
>
>
>

-- 
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

https://www.cse.buffalo.edu/~knepley/ <http://www.cse.buffalo.edu/~knepley/>
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