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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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|
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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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from esys.escript import * |
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from esys.escript.models import Mountains |
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from esys.finley import Brick,Rectangle |
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from math import pi, ceil |
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|
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NE=16 |
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DIM=3 |
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H=1. |
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L=2*H |
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OMEGA=10 |
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EPS=0.01 |
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t=0 |
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T_END=0.05 # set T_END=(2*pi)/OMEGA to run a full simulation |
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n=0 |
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if DIM==2: |
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mydomain=Rectangle(int(ceil(L*NE/H)),NE,l0=L,l1=H,order=1, useFullElementOrder=True,optimize=True) |
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else: |
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mydomain=Brick(int(ceil(L*NE/H)),int(ceil(L*NE/H)),NE,l0=L,l1=L,l2=H,order=1, useFullElementOrder=True,optimize=True) |
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|
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x=mydomain.getX() |
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v = Vector(0.0, Solution(mydomain)) |
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if DIM==2: |
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a0=1 |
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n0=1 |
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n1=0.5 |
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a1=-(a0*n0)/n1 |
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v[0]=a0*sin(pi*n0*x[0])* cos(pi*n1*x[1]) |
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v[1]=a1*cos(pi*n0*x[0])* sin(pi*n1*x[1]) |
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else: |
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a0=1 |
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a1=1 |
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n0=2 |
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n1=2 |
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n2=0.5 |
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a2=-(a0*n0+a1*n1)/n2 |
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v[0]=a0*sin(pi*n0*x[0])* cos(pi*n1*x[1])* cos(pi*n2*x[2]) |
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v[1]=a1*cos(pi*n0*x[0])* sin(pi*n1*x[1])* cos(pi*n2*x[2]) |
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v[2]=a2*cos(pi*n0*x[0])* cos(pi*n1*x[1])* sin(pi*n2*x[2]) |
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|
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|
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mts=Mountains(mydomain,eps=EPS) |
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while t<T_END: |
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print "STEP ", t |
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mts.setVelocity(v*cos(OMEGA*t)) |
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Z=mts.update() |
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|
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saveVTK("state.%d.vtu"%n,sol=Z, v=mts.getVelocity()) |
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print "Integral(Z)=",integrate(Z),Lsup(mts.getVelocity()[DIM-1]) |
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n+=1 |
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t+=mts.getSafeTimeStepSize() |
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