/[escript]/trunk/doc/examples/cookbook/wavesolver2d002.py
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Contents of /trunk/doc/examples/cookbook/wavesolver2d002.py

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Revision 2632 - (show annotations)
Wed Aug 26 22:18:19 2009 UTC (9 years, 7 months ago) by ahallam
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Regigger of cookbook directory structure. Examlples->examples/cookbook TEXT->doc/cookbook Figures-> doc/cookbook/figures
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 # 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 cblib import *
30
31 # Establish a save path.
32 savepath = "data/wavesolver2d002nwtest"
33 # Creating a directory automatically to store the output data.
34 if not os.path.isdir("data"):
35 os.mkdir("data")
36 if not os.path.isdir(savepath):
37 os.mkdir(savepath)
38
39
40 #Geometric and material property related variables.
41 mx = 1000 # model lenght
42 my = 200 # model width
43 ndx = 200 # steps in x direction
44 ndy = 40 # steps in y direction
45 lam=3.462e9 #lames constant
46 mu=3.462e9 #bulk modulus
47 rho=1154. #density
48 # Time related variables.
49 tend=0.1 #end time
50 #calculating )the timestep
51 h=(1./5.)*sqrt(rho/(lam+2*mu))*(mx/ndx)
52 #Check to make sure number of time steps is not too large.
53 print "Time step size= ",h, "Expected number of outputs= ",tend/h
54 proceeder = raw_input("Is this ok?(y/n)")
55 #Exit if user thinks too many outputs.
56 if proceeder == "n":
57 sys.exit()
58
59 U0=0.01 # amplitude of point source
60 # spherical source at middle of bottom face
61
62 xc=[300,200]
63
64 mydomain=Rectangle(l0=mx,l1=my,n0=ndx, n1=ndy)
65 wavesolver2df(mydomain,h,tend,lam,mu,rho,U0,xc,savepath)
66

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