On Aug 14, 2011, at 9:53 PM, Jed Brown wrote: > 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
Thanks for pointing this out. This example is all wrong and I've removed it. I must have done that before I decided how to get rid of DMMG. Barry > > 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]
