[petsc-users] discontinuous viscosity stokes equation 3D staggered grid

Anton Popov popov at uni-mainz.de
Mon Jul 29 05:01:31 CDT 2013


On 7/27/13 2:14 PM, Matthew Knepley wrote:
> My recommended way to do this is to use PetscSection() to define the 
> dofs over a DMDA. This currently works correctly in parallel
> for vertex and cell dofs. The code for face dofs is in there, but I 
> have never tested it. You have to use the 'next' branch because this
> is experimental stuff.
Thanks Matt, I'll check this.
Do you have any info about PetscSection() (a presentation, tutorial, or 
whatever), or I should just use sources?

Anton


More information about the petsc-users mailing list