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

[Matthew Knepley]

On Mon, Jul 29, 2013 at 5:01 AM, Anton Popov <popov at uni-mainz.de> wrote:

> 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?


Its a really simple class, so the manpages should be alright. If not let me
know. There are also some slides on
it from my recent Paris tutorial.

  Thanks,

     Matt


>
> Anton
>



-- 
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
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