[petsc-users] Example for FAS

[Matthew Knepley]

On Tue, Mar 1, 2016 at 8:08 AM, Jed Brown <jed at jedbrown.org> wrote:

> Cyrill Vonplanta <cyrill.von.planta at usi.ch> writes:
>
> > Dear PETSc User-list,
> >
> > I am trying to use the FAS from PETSc in version 3.6.3. For other
> solvers there would be usually an example or two on the documentation, but
> on
> http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/SNES/SNESFAS.html
> I couldn’t find one at the bottom.
>
> It's pure run-time options.  See src/snes/examples/tutorials/makefile
> and search for '-snes_type fas'.  ex5 and ex19 are good examples to
> check out.
>

I also have examples from SNES ex12 if you want an unstructured grid:


https://bitbucket.org/petsc/petsc/src/d076321ee94a992e029f0665fc86b0401d68c775/config/builder.py?at=master&fileviewer=file-view-default#builder.py-390

and here is a SNES ex5 example with FAS


https://bitbucket.org/petsc/petsc/src/d076321ee94a992e029f0665fc86b0401d68c775/src/snes/examples/tutorials/makefile?at=master&fileviewer=file-view-default#makefile-411

  Thanks,

    Matt
-- 
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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