Your equation in nonlinear..........try solving it with sweep. On Wed, Oct 28, 2009 at 10:05 AM, Ranjit Chacko <[email protected]> wrote:
> Hi, > > I've got an equation of the following form: > > localTerm = -6.0**self*.phi**5 + 8.0**self*.phi**3 - 2.0**self*.phi**self* > .tau > (TransientTerm() == DiffusionTerm(coeff=0.5 * *self*.a) + > DiffusionTerm(coeff=(0.25 * self.b, 1.0)) + localTerm) > > I get very different behavior depending on which solver and how many > iterations I choose. Are there any rules of thumb about how to choose a > solver and are there any good references about these methods I should look > up? > > Thanks, > > -Ranjit > > -- Ajay Rawat Kalpakkam, IGCAR ------------------------------------------------------------------------- Save Himalayas.... -------------------------------------------------------------------------
