/[escript]/trunk/modellib/test/python/run_flow.py
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Contents of /trunk/modellib/test/python/run_flow.py

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Revision 2344 - (show annotations)
Mon Mar 30 02:13:58 2009 UTC (10 years, 5 months ago) by jfenwick
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Change __url__ to launchpad site

1
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__="https://launchpad.net/escript-finley"
21
22 #
23 # small test problem fro temperture advection:
24 #
25 # p=(x0+x1)*t
26 #
27
28 import os
29 from esys.escript.modelframe import Link,Simulation
30 from esys.modellib.geometry import RectangularDomain,VectorConstrainerOverBox
31 from esys.modellib.input import Sequencer
32 from esys.modellib.probe import Probe,EvaluateExpression
33 from esys.modellib.flow import SteadyIncompressibleFlow
34
35 dom=RectangularDomain()
36 dom.order=2
37
38 constraints=VectorConstrainerOverBox()
39 constraints.domain=Link(dom)
40 constraints.left=[1,0,0]
41 constraints.right=[1,0,0]
42 constraints.top=[0,1,0]
43 constraints.bottom=[0,1,0]
44 constraints.front=[0,0,1]
45 constraints.back=[0,0,1]
46
47 sqe=Sequencer()
48 sqe.dt_max=0.5
49 sqe.t_end=1.
50
51 source=EvaluateExpression()
52 source.domain=Link(dom)
53 source.t=Link(sqe)
54 source.expression=["t","t"]
55
56 flow=SteadyIncompressibleFlow()
57 flow.domain=Link(dom,"domain")
58 flow.internal_force=Link(source,"out")
59 flow.location_prescribed_velocity=Link(constraints,"location_of_constraint")
60 flow.prescribed_velocity=[0.,0.]
61
62 ptest=Probe()
63 ptest.expression="(x[0]+x[1]-1.)*t"
64 ptest.t=Link(sqe)
65 ptest.value=Link(flow,"pressure")
66
67 s=Simulation([sqe,constraints,Simulation([flow],debug=True),ptest],debug=True)
68 s.writeXML()
69 s.run()

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