/[escript]/trunk/doc/examples/usersguide/poisson.py
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Annotation of /trunk/doc/examples/usersguide/poisson.py

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Revision 1811 - (hide annotations)
Thu Sep 25 23:11:13 2008 UTC (11 years, 1 month ago) by ksteube
Original Path: trunk/doc/examples/poisson.py
File MIME type: text/x-python
File size: 1216 byte(s)
Copyright updated in all files

1 ksteube 1811
2     ########################################################
3     #
4     # Copyright (c) 2003-2008 by University of Queensland
5     # Earth Systems Science Computational Center (ESSCC)
6     # http://www.uq.edu.au/esscc
7     #
8     # Primary Business: Queensland, Australia
9     # Licensed under the Open Software License version 3.0
10     # http://www.opensource.org/licenses/osl-3.0.php
11     #
12     ########################################################
13    
14     __copyright__="""Copyright (c) 2003-2008 by University of Queensland
15     Earth Systems Science Computational Center (ESSCC)
16     http://www.uq.edu.au/esscc
17     Primary Business: Queensland, Australia"""
18     __license__="""Licensed under the Open Software License version 3.0
19     http://www.opensource.org/licenses/osl-3.0.php"""
20     __url__="http://www.uq.edu.au/esscc/escript-finley"
21    
22 gross 565 from esys.escript import *
23 gross 567 from esys.escript.linearPDEs import Poisson
24 jgs 108 from esys.finley import Rectangle
25 jgs 102 # generate domain:
26 jgs 108 mydomain = Rectangle(l0=1.,l1=1.,n0=40, n1=20)
27 jgs 102 # define characteristic function of Gamma^D
28     x = mydomain.getX()
29 gross 327 gammaD = whereZero(x[0])+whereZero(x[1])
30 jgs 102 # define PDE and get its solution u
31 gross 327 mypde = Poisson(domain=mydomain)
32     mypde.setValue(f=1,q=gammaD)
33 jgs 102 u = mypde.getSolution()
34     # write u to an external file
35 gross 565 saveVTK("u.xml",sol=u)

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