/[escript]/trunk/doc/examples/geotutorial/steadystate.py
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Annotation of /trunk/doc/examples/geotutorial/steadystate.py

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Revision 2534 - (hide annotations)
Thu Jul 16 06:49:19 2009 UTC (12 years, 3 months ago) by caltinay
File MIME type: text/x-python
File size: 1474 byte(s)
Changed examples, tests and tutorials to save VTK files as .vtu instead .xml.
Visit doesn't know what to do with xml's and vtu is the proper extension
anyway.

1 gross 2156 ########################################################
2     #
3     # Copyright (c) 2003-2008 by University of Queensland
4     # Earth Systems Science Computational Center (ESSCC)
5     # http://www.uq.edu.au/esscc
6     #
7     # Primary Business: Queensland, Australia
8     # Licensed under the Open Software License version 3.0
9     # http://www.opensource.org/licenses/osl-3.0.php
10     #
11     ########################################################
12    
13     __copyright__="""Copyright (c) 2003-2008 by University of Queensland
14     Earth Systems Science Computational Center (ESSCC)
15     http://www.uq.edu.au/esscc
16     Primary Business: Queensland, Australia"""
17     __license__="""Licensed under the Open Software License version 3.0
18     http://www.opensource.org/licenses/osl-3.0.php"""
19 jfenwick 2344 __url__="https://launchpad.net/escript-finley"
20 gross 2156
21     # import tools
22     from esys.escript import *
23     from esys.escript.linearPDEs import LinearPDE
24     from esys.finley import Rectangle
25     # set dimensions
26     L0=1.;L1=1.
27     # bottom temperature:
28     T_bot=100
29     # location, size and value of heat source
30     xc=[0.3,0.4]; r=0.1; Qc=3000
31     # create domain
32     mydomain=Rectangle(l0=L0,l1=L1,n0=20,n1=20)
33     x=mydomain.getX()
34     k=1
35     # temperature for boundary condition
36     T_D=T_bot/L1*(L1-x[1])
37     # heat source
38     Q=Qc*whereNegative(length(x-xc)-r)
39     # create PDE:
40     mypde=LinearPDE(mydomain)
41     mypde.setSymmetryOn()
42     # set coefficients:
43     mypde.setValue(A=k*kronecker(mydomain),Y=Q, r=T_D, \
44     q=whereZero(x[1])+whereZero(x[1]-L1))
45     # get temperature:
46     T=mypde.getSolution()
47     # write to file:
48 caltinay 2534 saveVTK("u.vtu",T=T)
49    

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