/[escript]/trunk/downunder/test/python/run_gravity.py
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Annotation of /trunk/downunder/test/python/run_gravity.py

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Revision 4657 - (hide annotations)
Thu Feb 6 06:12:20 2014 UTC (5 years, 8 months ago) by jfenwick
File MIME type: text/x-python
File size: 2219 byte(s)
I changed some files.
Updated copyright notices, added GeoComp.



1 caltinay 3947
2 jfenwick 3981 ##############################################################################
3 caltinay 3947 #
4 jfenwick 4657 # Copyright (c) 2003-2014 by University of Queensland
5 jfenwick 3981 # http://www.uq.edu.au
6 caltinay 3947 #
7     # Primary Business: Queensland, Australia
8     # Licensed under the Open Software License version 3.0
9     # http://www.opensource.org/licenses/osl-3.0.php
10     #
11 jfenwick 3981 # Development until 2012 by Earth Systems Science Computational Center (ESSCC)
12 jfenwick 4657 # Development 2012-2013 by School of Earth Sciences
13     # Development from 2014 by Centre for Geoscience Computing (GeoComp)
14 jfenwick 3981 #
15     ##############################################################################
16 caltinay 3947
17 jfenwick 4657 __copyright__="""Copyright (c) 2003-2014 by University of Queensland
18 jfenwick 3981 http://www.uq.edu.au
19 caltinay 3947 Primary Business: Queensland, Australia"""
20     __license__="""Licensed under the Open Software License version 3.0
21     http://www.opensource.org/licenses/osl-3.0.php"""
22     __url__="https://launchpad.net/escript-finley"
23    
24     import os
25 caltinay 4060 from esys.downunder import *
26 caltinay 3947 from esys.escript import unitsSI as U
27 caltinay 4060 from esys.weipa import saveSilo
28 caltinay 3947
29    
30     try:
31     WORKDIR=os.environ['DOWNUNDER_WORKDIR']
32     except KeyError:
33     WORKDIR='.'
34    
35 caltinay 4060 features=[SmoothAnomaly(lx=30*U.km, ly=20*U.km, lz=18.*U.km, \
36 gross 4102 x=22*U.km, y=3*U.km, depth=10*U.km, v_inner=200., v_outer=1e-6),\
37 caltinay 4060 SmoothAnomaly(lx=25*U.km, ly=20*U.km, lz=20*U.km,
38 gross 4102 x=40*U.km, y=1*U.km, depth=22*U.km, v_inner=-500., v_outer=1e-6),\
39 caltinay 4060 SmoothAnomaly(lx=30*U.km, ly=20*U.km, lz=18.*U.km, \
40 gross 4102 x=68*U.km, y=3*U.km, depth=13*U.km, v_inner=200., v_outer=1e-6)]
41 caltinay 3947
42 gross 4115 source=SyntheticFeatureData(DataSource.GRAVITY, DIM=2, number_of_elements=220, length=100*U.km, features=features)
43 caltinay 4060 domainbuilder=DomainBuilder(dim=2)
44     domainbuilder.addSource(source)
45 caltinay 4108 domainbuilder.setElementPadding(20)
46 gross 4102 domainbuilder.setVerticalExtents(depth=50*U.km, air_layer=20*U.km, num_cells=25)
47 gross 4033
48 caltinay 3947 inv=GravityInversion()
49 gross 4122 inv.setup(domainbuilder)
50 gross 4079 inv.setSolverTolerance(1e-4)
51 gross 4121 inv.setSolverMaxIterations(40)
52 gross 4122 inv.getCostFunction().setTradeOffFactorsModels(10)
53 gross 4033
54 caltinay 3947 rho_new=inv.run()
55 caltinay 4213 print("rho_new = %s"%rho_new)
56     print("rho = %s"%source.getReferenceProperty())
57 gross 4123 g, chi = inv.getCostFunction().getForwardModel().getSurvey(0)
58 gross 4115 saveSilo(os.path.join(WORKDIR, 'gravinv'), density=rho_new, density_ref=source.getReferenceProperty(), g=g, chi=chi)
59 caltinay 3947

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