/[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 728 - (show annotations)
Mon May 15 02:01:18 2006 UTC (14 years, 1 month ago) by gross
File MIME type: text/x-python
File size: 1449 byte(s)
modelframe test examples work now
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 import os
15 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
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 s=Simulation([sqe,Simulation([flow],debug=True),ptest],debug=True)
54 s.writeXML()
55 s.run()

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