[petsc-users] adding calls before and after each iteration of snes

[Matthew Knepley]

On Tue, May 25, 2021 at 8:41 AM hg <hgbk2008 at gmail.com> wrote:

> Hello
>
> I would like to ask if it is possible to add function call before and
> after each iteration of SNES solve, e.g. InitializeNonLinearIteration and
> FinalizeNonLinearIteration. It is particularly useful for debugging the
> constitutive law or for post-processing to post the intermediate results.
>

There is this:
https://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/SNES/SNESSetUpdate.html

  Thanks,

    Matt


> Best
> Giang
>
-- 
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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