| 1 |
|
| 2 |
######################################################## |
| 3 |
# |
| 4 |
# Copyright (c) 2003-2009 by University of Queensland |
| 5 |
# Earth Systems Science Computational Center (ESSCC) |
| 6 |
# http://www.uq.edu.au/esscc |
| 7 |
# |
| 8 |
# Primary Business: Queensland, Australia |
| 9 |
# Licensed under the Open Software License version 3.0 |
| 10 |
# http://www.opensource.org/licenses/osl-3.0.php |
| 11 |
# |
| 12 |
######################################################## |
| 13 |
|
| 14 |
__copyright__="""Copyright (c) 2003-2009 by University of Queensland |
| 15 |
Earth Systems Science Computational Center (ESSCC) |
| 16 |
http://www.uq.edu.au/esscc |
| 17 |
Primary Business: Queensland, Australia""" |
| 18 |
__license__="""Licensed under the Open Software License version 3.0 |
| 19 |
http://www.opensource.org/licenses/osl-3.0.php""" |
| 20 |
__url__="https://launchpad.net/escript-finley" |
| 21 |
|
| 22 |
""" |
| 23 |
Author: Antony Hallam antony.hallam@uqconnect.edu.au |
| 24 |
""" |
| 25 |
|
| 26 |
from esys.pycad import * |
| 27 |
from esys.pycad.gmsh import Design |
| 28 |
from esys.finley import MakeDomain |
| 29 |
import numpy as np |
| 30 |
#import numpy as n |
| 31 |
from math import * |
| 32 |
|
| 33 |
def loopcoords(loop): |
| 34 |
temp = loop.getConstructionPoints() |
| 35 |
coords = np.zeros([len(temp),3],float) |
| 36 |
for i in range(0,len(temp)): |
| 37 |
coords[i,:]=temp[i].getCoordinates() |
| 38 |
return coords |
| 39 |
|
| 40 |
# Overall Domain |
| 41 |
p0=Point(0.0, 0.0, 0.0) |
| 42 |
p1=Point(0.0, -6000.0, 0.0) |
| 43 |
p2=Point(5000.0, -6000.0, 0.0) |
| 44 |
p3=Point(5000.0, 0.0, 0.0) |
| 45 |
|
| 46 |
l01=Line(p0, p1) |
| 47 |
l12=Line(p1, p2) |
| 48 |
l23=Line(p2, p3) |
| 49 |
l30=Line(p3, p0) |
| 50 |
|
| 51 |
c=CurveLoop(l01, l12, l23, l30) |
| 52 |
|
| 53 |
# Material Boundary |
| 54 |
|
| 55 |
x=[ Point(i*100.0,-2500+1500.*cos(pi*i*100.0/2500.0+pi)) for i in range(0,51) ] |
| 56 |
mysp = Spline(*tuple(x)) |
| 57 |
x1=Spline.getStartPoint(mysp) |
| 58 |
x2=Spline.getEndPoint(mysp) |
| 59 |
|
| 60 |
# TOP BLOCK |
| 61 |
tbl1=Line(p0,x1) |
| 62 |
tbl2=mysp |
| 63 |
tbl3=Line(x2,p3) |
| 64 |
tblockloop = CurveLoop(tbl1,tbl2,tbl3,l30) |
| 65 |
tblock = PlaneSurface(tblockloop) |
| 66 |
|
| 67 |
tpg = loopcoords(tblockloop) |
| 68 |
np.savetxt("toppg",tpg,delimiter=" ") |
| 69 |
|
| 70 |
# BOTTOM BLOCK |
| 71 |
bbl1=Line(x1,p1) |
| 72 |
bbl3=Line(p2,x2) |
| 73 |
bbl4=-mysp |
| 74 |
bblockloop = CurveLoop(bbl1,l12,bbl3,bbl4) |
| 75 |
bblock = PlaneSurface(bblockloop) |
| 76 |
|
| 77 |
#clockwise check |
| 78 |
bblockloop2=CurveLoop(mysp,Line(x2,p2),Line(p2,p1),Line(p1,x1)) |
| 79 |
bpg = loopcoords(bblockloop2) |
| 80 |
np.savetxt("botpg",bpg,delimiter=" ") |
| 81 |
|
| 82 |
# Create a Design which can make the mesh |
| 83 |
d=Design(dim=2, element_size=200) |
| 84 |
# Add the trapezoid with cutout |
| 85 |
d.addItems(PropertySet("top",tblock),PropertySet("bottom",bblock),PropertySet("linebottom",l12)) |
| 86 |
# Create the geometry, mesh and Escript domain |
| 87 |
d.setScriptFileName("heatrefraction_mesh001.geo") |
| 88 |
|
| 89 |
d.setMeshFileName("heatrefraction_mesh001.msh") |
| 90 |
domain=MakeDomain(d, integrationOrder=-1, reducedIntegrationOrder=-1, optimizeLabeling=True) |
| 91 |
# Create a file that can be read back in to python with mesh=ReadMesh(fileName) |
| 92 |
domain.write("heatrefraction_mesh001.fly") |
| 93 |
|
| 94 |
|
Parent Directory
| 
Revision Log