[petsc-users] parallel dual porosity

Matthew Knepley knepley at gmail.com
Wed May 29 22:08:07 CDT 2019


On Wed, May 29, 2019 at 10:54 PM Adrian Croucher <a.croucher at auckland.ac.nz>
wrote:

> On 30/05/19 2:45 PM, Matthew Knepley wrote:
>
>
> Hmm, I had not thought about that. It will not do that at all. We have
> never rebalanced a simulation
> using overlap cells. I would have to write the code that strips them out.
> Not hard, but more code.
> If you only plan on redistributing once, you can wait until then to add
> the overlap cells.
>
>
> So for now at least, you would suggest doing the initial distribution with
> overlap = 0, and then the redistribution with overlap = 1?
>
> (I shouldn't need to redistribute more than once.)
>

Yep. Those actions are actually separate too. All Distribute() does is
first distribute with no overlap, and then call DIstributeOverlap().

  Thanks,

    Matt

> - Adrian
>
> --
> Dr Adrian Croucher
> Senior Research Fellow
> Department of Engineering Science
> University of Auckland, New Zealand
> email: a.croucher at auckland.ac.nz
> tel: +64 (0)9 923 4611
>
>

-- 
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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