On Mon, Jun 10, 2019 at 2:25 PM Jed Brown <[email protected]> wrote: > David Knezevic via petsc-users <[email protected]> writes: > > > I'm doing load stepping with SNES, where I do a SNES solve for each load > > step. Ideally the convergence tolerances for each load step would be set > > based on the norm of the load in the current step. As a result I would > like > > to be able to update the absolute and relative tolerances on a SNES. > > > > I tried to call SNESSetTolerances at the beginning of each load step, but > > it seems (based on the -snes_view output) that the tolerances do not get > > updated. Is there a way to update the tolerances? > > Did you also have SNESSetFromOptions and specify tolerances on the > command line? SNESSetTolerances should be used unless it gets > overwritten later by a process such as SNESSetFromOptions. >
Yes, you're right! Oops, I was overwriting the value... all good, sorry for the spam. Best regards, David
