On Fri, Jan 13, 2012 at 11:40 AM, Daniel Wheeler <[email protected]>wrote:
> On Sat, Jul 7, 2012 at 11:36 AM, Ferenc Tasnadi <[email protected]>wrote: > > > >> However, if I run the examples/cahnHilliard/mesh2D.py parallel; the >> script runs, but phi with using >> phi.getGlobalValue() >> does not really change in time. The script with pysparse on 1CPU produce >> the figures with nice spinodal >> decomposition (see fipy website). >> > > Hi Ferenc, > > Change the default nx and ny to 50 in examples/cahnHilliard/mesh2D.py and > run > > $ python examples/cahnHilliard/mesh2D.py --trilinos > > Does it evolve (separate into regions of 0 and 1 eventually)? Probably not. > > I think there is a problem with the default solver when running this > example. Try switching the solver to LinearLUSolver. Does it evolve now? > Does it also work in parallel after the switch? > > $ mpirun -np 2 python examples/cahnHilliard/mesh2D.py --trilinos > > Ferenc, I filed a bug report on this issue, see < http://matforge.org/fipy/ticket/419>. Many thanks for giving us all your feedback, it's really appreciated. -- Daniel Wheeler
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