[petsc-dev] SNES_DIVERGED_USER ?

Matthew Knepley knepley at gmail.com
Thu Dec 3 14:07:20 CST 2020

On Thu, Dec 3, 2020 at 2:27 PM Alexander Lindsay <alexlindsay239 at gmail.com>

> Would you guys support addition of a `SNES_DIVERGED_USER` to
> `SNESConvergedReason`? We already have `SNES_LINESEARCH_FAILED_USER`, so I
> think there is some precedent. The motivator is here:
> https://github.com/idaholab/moose/pull/16377. None of the current options
> fit the reason we want to error, and this is truly a user criterion for
> considering the nonlinear solve diverged.

We can definitely add something. Why would it not be



> Alex
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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