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

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Revision 2344 - (show annotations)
Mon Mar 30 02:13:58 2009 UTC (10 years, 4 months ago) by jfenwick
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Change __url__ to launchpad site

1 ########################################################
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 __url__="https://launchpad.net/escript-finley"
20
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 saveVTK("u.xml",T=T)

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