/[escript]/trunk/esys2/modellib/test/python/flow_test.py
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Annotation of /trunk/esys2/modellib/test/python/flow_test.py

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Revision 148 - (hide annotations)
Tue Aug 23 01:24:31 2005 UTC (15 years ago) by jgs
File MIME type: text/x-python
File size: 1129 byte(s)
Merge of development branch dev-02 back to main trunk on 2005-08-23

1 jgs 147 # $Id$
2    
3     #
4     # small test problem fro temperture advection:
5     #
6     # p=(x0+x1)*t
7     #
8     from escript.modelframe import Link,Simulation
9     from modellib.geometry import RectangularDomain,VectorConstrainer
10     from modellib.input import Sequencer
11     from modellib.probe import Probe,EvaluateExpression
12     from modellib.flow import SteadyIncompressibleFlow
13    
14     dom=RectangularDomain()
15     dom.order=2
16    
17     constraints=VectorConstrainer()
18     constraints.domain=Link(dom)
19     constraints.left=[1,0,0]
20     constraints.right=[1,0,0]
21     constraints.top=[0,1,0]
22     constraints.bottom=[0,1,0]
23     constraints.front=[0,0,1]
24     constraints.back=[0,0,1]
25    
26     sqe=Sequencer()
27     sqe.dt_max=0.3
28     sqe.t_end=1.
29    
30     source=EvaluateExpression()
31     source.domain=Link(dom)
32     source.t=Link(sqe)
33     source.expression=["t","t"]
34    
35     flow=SteadyIncompressibleFlow()
36     flow.domain=Link(dom)
37     flow.internal_force=Link(source,"out")
38     flow.location_prescribed_velocity=Link(constraints,"location_of_constraint")
39     flow.prescribed_velocity=[0.,0.]
40    
41     ptest=Probe()
42     ptest.expression="(x[0]+x[1]-1.)*t"
43     ptest.t=Link(sqe)
44     ptest.value=Link(flow,"pressure")
45    
46 jgs 148 s=Simulation([dom,sqe,Simulation([flow],debug=True),ptest],debug=True)
47 jgs 147 s.writeXML()
48     s.run()

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