dolfin team mailing list archive
-
dolfin team
-
Mailing list archive
-
Message #00341
Re: Fixed implementation of NewPreconditioner (pcimpl.h is now used).
ok. Good luck. :-)
/Anders
On Mon, Feb 14, 2005 at 05:54:14PM +0100, Johan Jansson wrote:
> On Mon, Feb 14, 2005 at 10:46:22AM -0600, Anders Logg wrote:
> > Does it work now? If it does, we could think of implementing a simple
> > preconditioner for the multi-adaptive Newton-solver (damped fixed
> > point iteration with dG(0)).
> >
> > /Anders
> >
>
> It doesn't work well yet. It works for some cases, but others not,
> giving different errors (erroneous solution, LAPACK errors or
> nonconvergence). My test so far has been an identity preconditioner,
> which should be the same as not preconditioning at all. I need to do
> some more testing though, perhaps with Jaocbi instead.
>
> Johan
>
> _______________________________________________
> DOLFIN-dev mailing list
> DOLFIN-dev@xxxxxxxxxx
> http://www.fenics.org/cgi-bin/mailman/listinfo/dolfin-dev
>
References