[petsc-users] problem with generating simplicies mesh

[Stefano Zampini]

Matt,

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

> 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 <mailto: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 <mailto: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 <mailto: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 <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 <mailto: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/>

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