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######################################################## |
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# |
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# Copyright (c) 2003-2009 by University of Queensland |
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# Earth Systems Science Computational Center (ESSCC) |
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# http://www.uq.edu.au/esscc |
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# |
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# Primary Business: Queensland, Australia |
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# Licensed under the Open Software License version 3.0 |
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# http://www.opensource.org/licenses/osl-3.0.php |
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# |
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######################################################## |
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__copyright__="""Copyright (c) 2003-2009 by University of Queensland |
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Earth Systems Science Computational Center (ESSCC) |
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http://www.uq.edu.au/esscc |
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Primary Business: Queensland, Australia""" |
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__license__="""Licensed under the Open Software License version 3.0 |
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http://www.opensource.org/licenses/osl-3.0.php""" |
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__url__="https://launchpad.net/escript-finley" |
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|
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""" |
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Author: Antony Hallam antony.hallam@uqconnect.edu.au |
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""" |
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from esys.pycad import * |
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from esys.pycad.gmsh import Design |
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from esys.finley import MakeDomain |
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import numpy as np |
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#import numpy as n |
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from math import * |
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|
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# routine to find consecutive coordinates of a loop in pycad |
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def loopcoords(loop): |
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# return all construction points of input |
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temp = loop.getConstructionPoints() |
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#create a numpy array for xyz components or construction points |
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coords = np.zeros([len(temp),3],float) |
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#place construction points in array |
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for i in range(0,len(temp)): |
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coords[i,:]=temp[i].getCoordinates() |
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#return a numpy array |
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return coords |
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|
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# Overall Domain |
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p0=Point(0.0, 0.0, 0.0) |
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p1=Point(0.0, -6000.0, 0.0) |
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p2=Point(5000.0, -6000.0, 0.0) |
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p3=Point(5000.0, 0.0, 0.0) |
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|
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l01=Line(p0, p1) |
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l12=Line(p1, p2) |
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l23=Line(p2, p3) |
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l30=Line(p3, p0) |
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c=CurveLoop(l01, l12, l23, l30) |
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|
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# Material Boundary |
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x=[ Point(i*100.0,-2500+1500.*cos(pi*i*100.0/2500.0+pi)) for i in range(0,51) ] |
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mysp = Spline(*tuple(x)) |
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x1=Spline.getStartPoint(mysp) |
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x2=Spline.getEndPoint(mysp) |
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|
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# TOP BLOCK |
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tbl1=Line(p0,x1) |
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tbl2=mysp |
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tbl3=Line(x2,p3) |
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tblockloop = CurveLoop(tbl1,tbl2,tbl3,l30) |
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tblock = PlaneSurface(tblockloop) |
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|
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tpg = loopcoords(tblockloop) |
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np.savetxt("toppg",tpg,delimiter=" ") |
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|
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# BOTTOM BLOCK |
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bbl1=Line(x1,p1) |
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bbl3=Line(p2,x2) |
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bbl4=-mysp |
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bblockloop = CurveLoop(bbl1,l12,bbl3,bbl4) |
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bblock = PlaneSurface(bblockloop) |
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|
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#clockwise check |
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bblockloop2=CurveLoop(mysp,Line(x2,p2),Line(p2,p1),Line(p1,x1)) |
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bpg = loopcoords(bblockloop2) |
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np.savetxt("botpg",bpg,delimiter=" ") |
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|
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# Create a Design which can make the mesh |
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d=Design(dim=2, element_size=200) |
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# Add the trapezoid with cutout |
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d.addItems(PropertySet("top",tblock),PropertySet("bottom",bblock),PropertySet("linebottom",l12)) |
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# Create the geometry, mesh and Escript domain |
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d.setScriptFileName("heatrefraction_mesh001.geo") |
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d.setMeshFileName("heatrefraction_mesh001.msh") |
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domain=MakeDomain(d, integrationOrder=-1, reducedIntegrationOrder=-1, optimizeLabeling=True) |
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# Create a file that can be read back in to python with mesh=ReadMesh(fileName) |
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domain.write("heatrefraction_mesh001.fly") |
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