[CIG-SHORT] Stopping simulation when solver diverges

Matthew Knepley knepley at mcs.anl.gov
Wed Sep 2 12:19:24 PDT 2015


On Wed, Sep 2, 2015 at 8:20 AM, Romain Jolivet <jolivetinsar at gmail.com>
wrote:

> Dear Brad, Matt, Charles,
>
> Is there a way to stop pylith nicely (writing appropriate output xmf
> files, for instance) when the solver (snes or ksp) diverges?
>

Well, you can ignore non-convergence

  *-snes_error_if_not_converged no*

We have nothing in PyLith that will check for a solver error, catch it, and
shutdown nicely. How exactly would you want it to work?

  Thanks,

    Matt

Cheers,
> Romain
>
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