[petsc-users] Petsc+Chombo example

Matthew Knepley knepley at gmail.com
Tue Aug 11 14:25:57 CDT 2015

On Tue, Aug 11, 2015 at 2:10 PM, Mani Chandra <mc0710 at gmail.com> wrote:

> Hi,
> Is there an example where Petsc's SNES has been used with Chombo, and
> perhaps with an automatic Jacobian assembly? I'd like to know if Petsc can
> pick out the number of colors of a Chombo data structure like it can do
> with a DMDA.

The specific kinds of colorings for structured grids also assume a
colocated discretization which
I am not sure Chombo uses. However, the greedy colorings which only use the
matrix will work.



> Thanks,
> Mani

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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