/[escript]/trunk/pycad/examples/structure.py
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revision 899 by gross, Mon Nov 13 08:02:24 2006 UTC revision 932 by gross, Fri Jan 19 09:27:15 2007 UTC
# Line 20  __version__="$Revision$" Line 20  __version__="$Revision$"
20  __date__="$Date$"  __date__="$Date$"
21    
22  from esys.pycad import *  from esys.pycad import *
23  from esys.pycad.shapes import Brick  from esys.pycad.gmsh import Design
24    
25  l=100000.           # width and length m (without obsorber)  l=100000.           # width and length m (without obsorber)
26  h=30000.            # width and length m (without obsorber)  h=30000.            # width and length m (without obsorber)
27  d_absorber=l*0.10   # thickness of absorbing layer  d_absorber=l*0.10   # thickness of absorbing layer
28    
29  b=Brick(Point(0.,0.,-h),Point(l,l,0.))  b=Brick(Point(0.,0.,-h),Point(l,l,0.))
30  p1=Point(l/5,l/5,-2*h/3,local_scale=0.3)  p1=Point(l/5,l/5,-2*h/3)
31  p2=p1+[l/5,l/5,0.]  p2=p1+[l/5,l/5,0.]
32  p3=p2+[0,0.,h/5]  p3=p2+[0,0.,h/5]
33  p4=p3+[-l/5,-l/5,0.]  p4=p3+[-l/5,-l/5,0.]
# Line 36  l2=Line(p2,p3) Line 36  l2=Line(p2,p3)
36  l3=Line(p3,p4)  l3=Line(p3,p4)
37  l4=Line(p4,p1)  l4=Line(p4,p1)
38  c1=CurveLoop(l1,l2,l3,l4)  c1=CurveLoop(l1,l2,l3,l4)
39    c1.setLocalScale(0.1)
40  q1=Point(2*l/3,2*l/3,-2*h/3,local_scale=0.3)  q1=Point(2*l/3,2*l/3,-2*h/3,local_scale=0.3)
41  q2=q1+[-l/4,l/4,0.]  q2=q1+[-l/4,l/4,0.]
42  q3=q2+[0,0.,h/3]  q3=q2+[0,0.,h/3]
# Line 45  m2=Line(q2,q3) Line 46  m2=Line(q2,q3)
46  m3=Line(q3,q4)  m3=Line(q3,q4)
47  m4=Line(q4,q1)  m4=Line(q4,q1)
48  c2=CurveLoop(m1,m2,m3,m4)  c2=CurveLoop(m1,m2,m3,m4)
49  b.addSurface(Surface(c1),Surface(c2))  c2.setLocalScale(0.1)
50  dsgn=Design(scale=10000.)  dsgn=Design(element_size=h/3)
51  dsgn.addPrimitives(Volume(b))  dsgn.addItems(Volume(SurfaceLoop(*tuple(b.getSurfaces()+[PlaneSurface(c1),PlaneSurface(c2)]))))
52  f=dsgn.writeFinleyMesh("l.fly")  dsgn.setScriptFileName("test.geo")
53  print f  dsgn.setMeshFileName("test.msh")
54    print dsgn.getMeshHandler()

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