/[escript]/trunk/doc/examples/cookbook/wavesolver2d001.py
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Contents of /trunk/doc/examples/cookbook/wavesolver2d001.py

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Revision 2907 - (show annotations)
Wed Feb 3 01:39:15 2010 UTC (9 years, 10 months ago) by gross
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needdirs replaced by mkDir from esys.escript
1
2 ########################################################
3 #
4 # Copyright (c) 2009-2010 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) 2009-2010 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 # You can shorten the execution time by reducing variable tend from 60 to 0.5
23
24 # Importing all the necessary modules required.
25 from esys.escript import *
26 from esys.finley import Rectangle
27 import sys
28 import os
29 from cblib1 import wavesolver2d
30
31 # Establish a save path.
32 savepath = "data/wavesolver2d001nwtest"
33 mkDir(savepath)
34
35
36 #Geometric and material property related variables.
37 mx = 1000 # model lenght
38 my = 200 # model width
39 ndx = 200 # steps in x direction
40 ndy = 40 # steps in y direction
41 lam=3.462e9 #lames constant
42 mu=3.462e9 #bulk modulus
43 rho=1154. #density
44 # Time related variables.
45 tend=0.5 #end time
46 #calculating )the timestep
47 h=(1./5.)*sqrt(rho/(lam+2*mu))*(mx/ndx)
48 #Check to make sure number of time steps is not too large.
49 print "Time step size= ",h, "Expected number of outputs= ",tend/h
50
51 #uncomment the following lines to give the user a chance to stop
52 #proceeder = raw_input("Is this ok?(y/n)")
53 #Exit if user thinks too many outputs.
54 #if proceeder == "n":
55 # sys.exit()
56
57 U0=0.01 # amplitude of point source
58 # spherical source at middle of bottom face
59
60 xc=[300,200]
61
62 mydomain=Rectangle(l0=mx,l1=my,n0=ndx, n1=ndy)
63 wavesolver2d(mydomain,h,tend,lam,mu,rho,U0,xc,savepath)
64

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