PDE solution algorithms?

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1 total messages Started by cachoo Fri, 20 Nov 1992 02:07

#913

Author: cachoo
Date: Fri, 20 Nov 1992 02:07

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Hello everyone:

I am looking for a public domain package to solve sytems of Partial
Differential Equations. Somewhere I read about a package called FORSIM,
which uses Runge-Kutta with variable step size. I have used this technique 
to solve Ordinary Differential Equations, but I can't quite grasp how it can be 
used for PDE's.
I have been using the finite differencing techniques described in PDE books,
but my solutions are very unstable and sensitive to grid size. I'm sure there 
are some algorithms out there that improve on this, but since i'm new to PDE's,
I'm completely confused. Any help will be appreciated. 

Thanks:
  Oscar Cacho
  Lincoln University
  Canterbury 
  NEW ZEALAND

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