/[escript]/trunk/pycad/examples/structure.py
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Revision 932 - (hide annotations)
Fri Jan 19 09:27:15 2007 UTC (14 years, 2 months ago) by gross
File MIME type: text/x-python
File size: 1537 byte(s)
Design added. The loops tests are switched off to allow faults.
1 gross 899 """
2     seismic wave propagation domain
3    
4     @var __author__: name of author
5     @var __licence__: licence agreement
6     @var __url__: url entry point on documentation
7     @var __version__: version
8     @var __date__: date of the version
9     """
10    
11    
12     __copyright__=""" Copyright (c) 2006 by ACcESS MNRF
13     http://www.access.edu.au
14     Primary Business: Queensland, Australia"""
15     __license__="""Licensed under the Open Software License version 3.0
16     http://www.opensource.org/licenses/osl-3.0.php"""
17     __author__="Lutz Gross, l.gross@uq.edu.au"
18     __url__="http://www.iservo.edu.au/esys/escript"
19     __version__="$Revision$"
20     __date__="$Date$"
21    
22     from esys.pycad import *
23 gross 932 from esys.pycad.gmsh import Design
24 gross 899
25     l=100000. # width and length m (without obsorber)
26     h=30000. # width and length m (without obsorber)
27     d_absorber=l*0.10 # thickness of absorbing layer
28    
29     b=Brick(Point(0.,0.,-h),Point(l,l,0.))
30 gross 932 p1=Point(l/5,l/5,-2*h/3)
31 gross 899 p2=p1+[l/5,l/5,0.]
32     p3=p2+[0,0.,h/5]
33     p4=p3+[-l/5,-l/5,0.]
34     l1=Line(p1,p2)
35     l2=Line(p2,p3)
36     l3=Line(p3,p4)
37     l4=Line(p4,p1)
38     c1=CurveLoop(l1,l2,l3,l4)
39 gross 932 c1.setLocalScale(0.1)
40 gross 899 q1=Point(2*l/3,2*l/3,-2*h/3,local_scale=0.3)
41     q2=q1+[-l/4,l/4,0.]
42     q3=q2+[0,0.,h/3]
43     q4=q3+[l/4,-l/4,0.]
44     m1=Line(q1,q2)
45     m2=Line(q2,q3)
46     m3=Line(q3,q4)
47     m4=Line(q4,q1)
48     c2=CurveLoop(m1,m2,m3,m4)
49 gross 932 c2.setLocalScale(0.1)
50     dsgn=Design(element_size=h/3)
51     dsgn.addItems(Volume(SurfaceLoop(*tuple(b.getSurfaces()+[PlaneSurface(c1),PlaneSurface(c2)]))))
52     dsgn.setScriptFileName("test.geo")
53     dsgn.setMeshFileName("test.msh")
54     print dsgn.getMeshHandler()

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