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# $Id$ |
# $Id$ |
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from mytools import * |
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from esys.escript import * |
from esys.escript import * |
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import esys.finley |
from esys.escript.linearPDEs import LinearPDE |
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from esys.finley import Rectangle |
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#... set some parameters ... |
#... set some parameters ... |
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x_c=[0.02,0.002] |
xc=[0.02,0.002] |
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r=0.001 |
r=0.001 |
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q0=50.e6 |
qc=50.e6 |
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Tref=0. |
Tref=0. |
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rhocp=2.6e6 |
rhocp=2.6e6 |
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eta=75. |
eta=75. |
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kappa=240. |
kappa=240. |
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t_end=5. |
tend=5. |
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# ...time step size and counter ... |
# ... time, time step size and counter ... |
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|
t=0 |
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h=0.1 |
h=0.1 |
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i=0 |
i=0 |
|
t=0 |
|
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#... generate domain ... |
#... generate domain ... |
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mydomain = esys.finley.Rectangle(l0=0.05,l1=0.01,n0=250, n1=50) |
mydomain = Rectangle(l0=0.05,l1=0.01,n0=250, n1=50) |
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#... open PDE ... |
#... open PDE ... |
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mypde=Helmholtz(mydomain) |
mypde=LinearPDE(mydomain) |
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mypde.setSymmetryOn() |
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mypde.setValue(A=kappa*kronecker(mydomain),D=rhocp/h,d=eta,y=eta*Tref) |
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# ... set heat source: .... |
# ... set heat source: .... |
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x=mydomain.getX() |
x=mydomain.getX() |
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q=q0*(length(x-x_c)-r).whereNegative() |
qH=qc*whereNegative(length(x-xc)-r) |
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# ... set initial temperature .... |
# ... set initial temperature .... |
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T=Tref |
T=Tref |
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# ... start iteration: |
# ... start iteration: |
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while t<t_end: |
while t<tend: |
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i+=1 |
i+=1 |
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t+=h |
t+=h |
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print "time step :",t |
print "time step :",t |
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mypde.setValue(kappa=kappa,omega=rhocp/h,f=q+rhocp/h*T,eta=eta,g=eta*Tref) |
mypde.setValue(Y=qH+rhocp/h*T) |
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T=mypde.getSolution() |
T=mypde.getSolution() |
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T.saveDX("T%d.dx"%i) |
saveVTK("T.%d.xml"%i,temp=T) |