On Sun, Aug 14, 2011 at 14:14, Barry Smith <bsmith at mcs.anl.gov> wrote:
> It doesn't look like the SNES is even solving but TS just trots merrily > along. Shouldn't TS crap out if SNES diverges? > It shouldn't "crap out", it should reject the step, shorten it, compute a fresh Jacobian (if the Jacobian was being lagged), and try again. Thanks for reminding me that this should be done sooner rather than later. > > Isn't this test data from something that is failing? Should it not be > there? > Yeah, was that example converging when you first created it? changeset: 15757:896f032fd4a8 parent: 15750:1f53ec9d4e00 user: Barry Smith bsmith at mcs.anl.gov date: Fri Apr 23 15:03:44 2010 -0500 summary: some code cleanup and further work on DMMG version 2 diff --git a/src/ts/examples/tutorials/ex7.c b/src/ts/examples/tutorials/ex11.c copy from src/ts/examples/tutorials/ex7.c copy to src/ts/examples/tutorials/ex11.c --- a/src/ts/examples/tutorials/ex7.c +++ b/src/ts/examples/tutorials/ex11.c [changes] -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-dev/attachments/20110814/d064fc5c/attachment.html>