[petsc-users] Local Refinement?

Matthew Knepley knepley at gmail.com
Thu Jul 19 15:22:22 CDT 2012

On Thu, Jul 19, 2012 at 3:21 PM, Zhenglun (Alan) Wei <zhenglun.wei at gmail.com
> wrote:

>  Dear All,
>     I hope you're having a nice day.
>     I'm trying to use PETSc to program a Poisson Solver with local
> refinement grid (or adaptive mesh). Is that possible? I checked DMDA
> functions and found DMDASetRefinementFactor. Is this what I need to look
> into? or it is only for overall refinement in Multigrid solver?

DMDA is a purely regular grid. You can check out SAMRAI or Chombo or Deal
II for
adaptive grid refinement. All of them can use PETSc.


> thanks,
> Alan

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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