NetNews Offline 2/NetNews Offline Volume 2.iso/news/comp/lang/c++-part2/16320

Internet Message Format | 1996-08-05 | 1.5 KB

Path: sci.kun.nl!usenet
From: Jos van Riswick <[e-mail]>
Newsgroups: comp.lang.c++
Subject: WANTED: FINITE ELEMENT FREEWARE
Date: Wed, 10 Apr 1996 10:15:27 +0200
Organization: KUN Medical-/Biophysics
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I'm looking for software (freeware) that will
help me calculate scattering of acoustical waves
by a given complex geometry. I want to approximate
time dependent pressure distributions arising
say from a plain sound wave incident on a coffee
cup.
  It'll have to be some kind of PDE solver
which enabels one to feed it with a grid on which
the 3d wave equation with positon-dependent phase
velocity: 1/v(r)\nabla^2 u = d^2 u/dt^2 is sol-
ved. Also certain boundary conditions will have
to be specified. For instance: if you want to
simulate an infinitly large medium (open air),the
mesh points on the boundery of the grid must sat-
isfy a PDE wich encorporates them being coupeled
to a mached impendance.

Also some graphical interface for visualisation
of the result would be useful.


Hope somebody out there knows something,
           I welcom all useful links or tips: mail me.

    thanks and greetings

       Jos van Riswick



J.G.A. van Riswick,     Telephone: [phone]
Schepenenstraat 55,     E-mail: [e-mail]
6525 XH, Nijmegen.              ([e-mail])
(The Netherlands)