On Thu, 4 Apr 2013, Manav Bhatia wrote:
So, the TwoStepTimeSolver reduces the |F| to 10^-8 in about three
time steps, as opposed to about 100 that I would expect (with two
Newton iterations per time step).
The code modification that I mentioned in my previous email is all
that I changed for use of the TwostepTimeSolver class.
I don't see anything wrong with that code modification... It's still
certainly possible there's a bug in your application, but we don't
have any test coverage on the TwostepTimeSolver right now and I
personally haven't played with it in a long time; I'd give 50/50 odds
on there being a library bug.
I'll see if I can replicate the problem on some of my test
applications here. I'm swamped right now though so ping me in a
couple days if I don't get back to you before then.
---
Roy
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