Thanks for the immediate response.
On Fri, Oct 23, 2009 at 9:59 AM, Daniel Lewis <[email protected]> wrote: > > Hi Ajay! > > Glad to hear that you are diving into FiPy. > > You will see that FiPy includes an explicit diffusion term to illustrate > that one can > violate the stability criterion. Of course, this is why most of the time > you would > pick the implicit diffusion term. There are a couple of paragraphs in > Numerical Recipes > that discuss stability and amplification factors. (I apologize if you > already know these > things.) If this is the first time you are hearing about this, then read > on. > > Regarding stability issues, a good thing to do is to have both the FiPy > users manual > and a copy of a book like Numerical Recipes in front of you at the same > time. That > should provide some additional background information needed to really > understand > the FiPy users manual. > > Does this help? Have I missed the point of your question? Maybe you could > ask the > question a bit differently? > > Good luck! > > Best, > Dan > > > Dan Lewis > Assistant Professor > Materials Research Center, Room 110 > Rensselaer Polytechnic Institute > 110 8th Street > Troy, NY 12180 > [email protected] > 518-276-2297 > > http://www.rpi.edu/~lewisd2 <http://www.rpi.edu/%7Elewisd2> > > > > > > > > On Oct 23, 2009, at 7:22 AM, Ajay Rawat wrote: > > Another Question........ >> Is there any stability related issue in solving phase field problem with >> respect to mesh size and time steps. >> >> Thanking you all in advance >> >> I'm really liking Fipy. >> Really thankful to Dr. Daniel wheeler , Jonathan Guyer and his team. >> >> On Fri, Oct 23, 2009 at 12:11 PM, Ajay Rawat <[email protected]> >> wrote: >> Is there any methods to solve stiff differential equation in fipy. >> seacuse in my model in need to couple my PDE with stiff differential eqn. >> or i had to goto scipy to solve stiff eqn. >> >> -- >> Ajay Rawat >> Kalpakkam, IGCAR >> >> ------------------------------------------------------------------------- >> Save Himalayas.... >> ------------------------------------------------------------------------- >> >> >> >> -- >> Ajay Rawat >> Kalpakkam, IGCAR >> >> ------------------------------------------------------------------------- >> Save Himalayas.... >> ------------------------------------------------------------------------- >> > > > -- Ajay Rawat Kalpakkam, IGCAR ------------------------------------------------------------------------- Save Himalayas.... -------------------------------------------------------------------------
