/[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 819 - (hide annotations)
Sun Aug 27 23:07:51 2006 UTC (15 years, 11 months ago) by gross
File MIME type: text/x-python
File size: 1453 byte(s)
new version of FinleyReader etc. They can noe update node coordinates but have to be part of the Simulation
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     from esys.modellib.geometry import RectangularDomain,VectorConstrainer
17     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     constraints=VectorConstrainer()
25     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     sqe.dt_max=0.3
35     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     flow.domain=Link(dom)
44     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 819 s=Simulation([sqe,dom,Simulation([flow],debug=True),ptest],debug=True)
54 jgs 147 s.writeXML()
55     s.run()

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