[petsc-users] DMPlex Interpolation

Matthew Knepley knepley at gmail.com
Fri Aug 26 09:47:54 CDT 2022

On Thu, Aug 25, 2022 at 7:12 PM Mike Michell <mi.mike1021 at gmail.com> wrote:

> Hi, this is a duplication of
> https://lists.mcs.anl.gov/pipermail/petsc-users/2022-August/046746.html
> for in-depth question.
> I wrote a short code as attached to test interpolation between two DMPlex
> objects. Goal is to map solution field defined on cell-centroid(DMPlex-1)
> into vertex(DMPlex-2) field or vice versa.
> Basically, DMCreateInterpolation() fails in the example code and it was
> not allowed to get useful error messages. The DMPlex is created by loading
> a 2D square box in Gmsh. Can I get some comments on that?

Sure, I am looking at it.



> Thanks,

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

https://www.cse.buffalo.edu/~knepley/ <http://www.cse.buffalo.edu/~knepley/>
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