[Gmsh] PETSc/DMPlex and .msh

[Praveen C]

We have used this in our code, though I did not implement it, so I dont know the details. 

Here is  sample code


            // get gmsh boundary tag
            PetscInt bdry_tag;
            ierr = DMGetLabelValue(dm, "Face Sets", face_no, &bdry_tag); CHKERRQ(ierr);

Best
praveen


> On 03-Dec-2020, at 2:21 PM, Sharan Roongta <s.roongta at mpie.de> wrote:
> 
> Hello,
> 
> I believe this can be used to create a Dm object
> 
> 
> https://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/DMPLEX/DMPlexCreateFromFile.html#DMPlexCreateFromFile <https://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/DMPLEX/DMPlexCreateFromFile.html#DMPlexCreateFromFile>
> 
> Where the input file is a mesh..? 
> 
> Best,
> Sharan
> 
> From: Christophe Geuzaine <cgeuzaine at uliege.be <mailto:cgeuzaine at uliege.be>> 
> To: Sharan Roongta <s.roongta at mpie.de <mailto:s.roongta at mpie.de>> 
> Cc: <gmsh at onelab.info <mailto:gmsh at onelab.info>> 
> Sent: 03/12/2020 8:46 AM 
> Subject: Re: [Gmsh] PETSc/DMPlex and .msh 
> 
> 
> 
> > On 2 Dec 2020, at 22:54, Sharan Roongta <s.roongta at mpie.de> wrote: 
> > 
> > Hello, 
> > 
> > I was wondering if PETSc/DMPlex can directly read the physical entity/(.msh) file , and we can directly get the physical Ids from the DMPlex object? 
> 
> I have no idea... PETSc/DMPlex reads .msh files? 
> 
> Christophe 
> 
> 
> > 
> > Thanks and Regards, 
> > Sharan 
> > 
> > 
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> University of Liege, Electrical Engineering and Computer Science 
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> 
> -------------------------------------------------
> Max-Planck-Institut für Eisenforschung GmbH
> Max-Planck-Straße 1
> D-40237 Düsseldorf
>  
> Handelsregister B 2533 
> Amtsgericht Düsseldorf
>  
> Geschäftsführung
> Prof. Dr. Gerhard Dehm
> Prof. Dr. Jörg Neugebauer
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> Dr. Kai de Weldige
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> Steuernummer: 105 5891 1000
> 
> 
> Please consider that invitations and e-mails of our institute are 
> only valid if they end with …@mpie.de. 
> If you are not sure of the validity please contact rco at mpie.de <mailto:rco at mpie.de>
> 
> Bitte beachten Sie, dass Einladungen zu Veranstaltungen und E-Mails
> aus unserem Haus nur mit der Endung …@mpie.de gültig sind. 
> In Zweifelsfällen wenden Sie sich bitte an rco at mpie.de <mailto:rco at mpie.de>
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