/[escript]/trunk/doc/examples/helmholtz.py
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Contents of /trunk/doc/examples/helmholtz.py

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Revision 108 - (show annotations)
Thu Jan 27 06:21:59 2005 UTC (14 years, 2 months ago) by jgs
Original Path: trunk/esys2/doc/user/examples/helmholtztest.py
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1 # $Id$
2 from mytools import Helmholtz
3 from esys.escript import Lsup
4 from esys.finley import Rectangle
5 #... set some parameters ...
6 kappa=1.
7 omega=0.1
8 eta=10.
9 #... generate domain ...
10 mydomain = esys.finley.Rectangle(l0=5.,l1=1.,n0=50, n1=10)
11 #... open PDE and set coefficients ...
12 mypde=Helmholtz(mydomain)
13 n=mydomain.getNormal()
14 x=mydomain.getX()
15 mypde.setValue(kappa,omega,omega*x[0],eta,kappa*n[0]+eta*x[0])
16 #... calculate error of the PDE solution ...
17 u=mypde.getSolution()
18 print "error is ",Lsup(u-x[0])
19 # output should be similar to "error is 1.e-7"

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