Looking for a good Elliptic PDE or a BVP ODE solver, Appl in Chem engg.

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1 total messages Started by ram Tue, 27 Oct 1992 04:25

Author: ram
Date: Tue, 27 Oct 1992 04:25

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Hi,
    I am looking for a robust numerical software package that can
solve coupled 2D non-linear elliptic PDE's governing packed bed
reactor performance. I've heard of a software package called ELLPACK
developed by the Dept of comp.science  at Purdue university-
But I'm not sure if it's available in public domain. Does anybody have
any knowledge about ELLPACK? Also, any good/bad experiences with using the
software are welcome.
 
   The PDE I'm trying to solve is 2D in space, steady state. It has
axial and radial dimension terms in it. In literature, there is a
suggestion to discretize the radial dimension by using higher order
difference formulas e.g. O(h^2) correct First derivatives and O(h^4)
correct second derivatives, thereby turning the problem into a boundary
value problem in ODE in the axial dimension. I would like to know if
anyone has used this method to solve the elliptic PDE. Are the IMSL
boundary value ODE integrators good enough to tackle this problem? If
not which software is recommended?

   I would really appreciate anybody interested in offering me a
suggestion, since this will help me complete my master's program
successfully. 

Thanks,

Ramshankar.N 
Grad Student.
Dept of Chemical Engineering
University of Kansas , Lawrence, Kansas

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