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

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Revision 628 - (show annotations)
Thu Mar 23 02:27:57 2006 UTC (14 years, 8 months ago) by elspeth
File MIME type: text/x-python
File size: 1443 byte(s)
Copyright information added.

1 # $Id$
2
3 #
4 # small test problem fro temperture advection:
5 #
6 # p=(x0+x1)*t
7 #
8 __copyright__=""" Copyright (c) 2006 by ACcESS MNRF
9 http://www.access.edu.au
10 Primary Business: Queensland, Australia"""
11 __license__="""Licensed under the Open Software License version 3.0
12 http://www.opensource.org/licenses/osl-3.0.php"""
13
14 from esys.escript.modelframe import Link,Simulation
15 from esys.modellib.geometry import RectangularDomain,VectorConstrainer
16 from esys.modellib.input import Sequencer
17 from esys.modellib.probe import Probe,EvaluateExpression
18 from esys.modellib.flow import SteadyIncompressibleFlow
19
20 dom=RectangularDomain()
21 dom.order=2
22
23 constraints=VectorConstrainer()
24 constraints.domain=Link(dom)
25 constraints.left=[1,0,0]
26 constraints.right=[1,0,0]
27 constraints.top=[0,1,0]
28 constraints.bottom=[0,1,0]
29 constraints.front=[0,0,1]
30 constraints.back=[0,0,1]
31
32 sqe=Sequencer()
33 sqe.dt_max=0.3
34 sqe.t_end=1.
35
36 source=EvaluateExpression()
37 source.domain=Link(dom)
38 source.t=Link(sqe)
39 source.expression=["t","t"]
40
41 flow=SteadyIncompressibleFlow()
42 flow.domain=Link(dom)
43 flow.internal_force=Link(source,"out")
44 flow.location_prescribed_velocity=Link(constraints,"location_of_constraint")
45 flow.prescribed_velocity=[0.,0.]
46
47 ptest=Probe()
48 ptest.expression="(x[0]+x[1]-1.)*t"
49 ptest.t=Link(sqe)
50 ptest.value=Link(flow,"pressure")
51
52 s=Simulation([dom,sqe,Simulation([flow],debug=True),ptest],debug=True)
53 s.writeXML()
54 s.run()

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