Matthew Knepley <[email protected]> writes: > On Wed, Feb 10, 2016 at 4:19 PM, Jed Brown <[email protected]> wrote: > >> Barry Smith <[email protected]> writes: >> > We do not currently have library code to do grid sequence within a >> time-step. I believe that providing this requires a great deal of >> "replumbing" of the TS solvers to make them "grid sequence aware". This is >> true I believe for both traditional grid sequencing and FAS (I would be >> happy if Emil or Jed could prove me wrong). There are seemingly multiple >> ways to do the grid sequencing: >> >> I'm pretty sure you could use TS solved by FAS when Peter and I were >> working on it. But my test just failed and it looks like some work >> vectors aren't being obtained correctly. I'm afraid I can't dig into it >> right now. >> > > I use FAS with TS for the magma runs and it works.
The problem I encountered would only affect the case where you have both an IFunction and an RHSFunction with a fully implicit method. Thanks for the report that it works otherwise.
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