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

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Revision 911 - (hide annotations)
Tue Dec 5 23:39:39 2006 UTC (12 years, 5 months ago) by gross
File MIME type: text/x-python
File size: 1472 byte(s)
*Constrainer models have been renamed to *ConstrainerOverBox to clarify the fact that they are only work over a box domain
1 jgs 147 # $Id$
2    
3     #
4     # small test problem fro temperture advection:
5     #
6     # p=(x0+x1)*t
7     #
8 elspeth 628 __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 gross 706 import os
15 jgs 150 from esys.escript.modelframe import Link,Simulation
16 gross 911 from esys.modellib.geometry import RectangularDomain,VectorConstrainerOverBox
17 jgs 150 from esys.modellib.input import Sequencer
18     from esys.modellib.probe import Probe,EvaluateExpression
19     from esys.modellib.flow import SteadyIncompressibleFlow
20 jgs 147
21     dom=RectangularDomain()
22     dom.order=2
23    
24 gross 911 constraints=VectorConstrainerOverBox()
25 jgs 147 constraints.domain=Link(dom)
26     constraints.left=[1,0,0]
27     constraints.right=[1,0,0]
28     constraints.top=[0,1,0]
29     constraints.bottom=[0,1,0]
30     constraints.front=[0,0,1]
31     constraints.back=[0,0,1]
32    
33     sqe=Sequencer()
34 gross 820 sqe.dt_max=0.5
35 jgs 147 sqe.t_end=1.
36    
37     source=EvaluateExpression()
38     source.domain=Link(dom)
39     source.t=Link(sqe)
40     source.expression=["t","t"]
41    
42     flow=SteadyIncompressibleFlow()
43 gross 911 flow.domain=Link(dom,"domain")
44 jgs 147 flow.internal_force=Link(source,"out")
45     flow.location_prescribed_velocity=Link(constraints,"location_of_constraint")
46     flow.prescribed_velocity=[0.,0.]
47    
48     ptest=Probe()
49     ptest.expression="(x[0]+x[1]-1.)*t"
50     ptest.t=Link(sqe)
51     ptest.value=Link(flow,"pressure")
52    
53 gross 823 s=Simulation([sqe,Simulation([flow],debug=True),ptest],debug=True)
54 jgs 147 s.writeXML()
55     s.run()

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