[petsc-users] What exactly goes into DMPlexSetRefinementLimit

[Matthew Knepley]

On Wed, Aug 17, 2016 at 5:23 AM, Justin Chang <jychang48 at gmail.com> wrote:

> Hi all,
>
> Playing around with SNES ex12.c and I am attempting to tinker around with
> 3D options. I am trying to understand what kind of values go into
> -refinement_limit for 3D simplices.
>

The cell volume limits for any cells created out of the existing cells.
This is how TetGen understands refinement. I think a
better way is to use a metric tensor field, and we now have an interface to
pragmatic for this (I think currently I only hooked it up
to DMCoarsen() but it does both). Clearly the interface is immature, but
this is the way we are headed.

  Matt


> Thanks,
> Justin
>



-- 
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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