[petsc-users] Local Refinement?

[Matthew Knepley]

On Fri, Jul 20, 2012 at 2:57 AM, Ajay Rawat <ajay.rawat83 at gmail.com> wrote:

>
>
> On Fri, Jul 20, 2012 at 3:09 AM, Jed Brown <jedbrown at mcs.anl.gov> wrote:
>
>> On Thu, Jul 19, 2012 at 3:22 PM, Matthew Knepley <knepley at gmail.com>wrote:
>>
>>> 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.
>>>
>>
>> Or libmesh or fenics or .... There are many AMR packages.
>>
>
> Dear Jed
>
> Is there any developmental activity going on for doing AMR inside PETSc,
> at least for purely regular grid (DMDA). It will be a great addition.
>

No, the whole point is that there are all these other packages that already
do it that you can use.

   Matt


>
> --
> Ajay Rawat
> Kalpakkam, IGCAR
>
> -------------------------------------------------------------------------
> Save Himalayas....
> -------------------------------------------------------------------------
>



-- 
What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which their
experiments lead.
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