source: anuga_validation/okushiri_2005/run_okushiri.py @ 3878

Last change on this file since 3878 was 3878, checked in by ole, 17 years ago

Okushiri mesh using new mesh interface

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1"""Validation of the AnuGA implementation of the shallow water wave equation.
2
3This script sets up Okushiri Island benchmark as published at the
4
5THE THIRD INTERNATIONAL WORKSHOP ON LONG-WAVE RUNUP MODELS
6June 17-18 2004
7Wrigley Marine Science Center
8Catalina Island, California
9http://www.cee.cornell.edu/longwave/
10
11
12The validation data was downloaded and made available in this directory
13for convenience but the original data is available at
14http://www.cee.cornell.edu/longwave/index.cfm?page=benchmark&problem=2
15where a detailed description of the problem is also available.
16
17
18Run create_okushiri.py to process the boundary condition and build a the
19mesh before running this script.
20
21"""
22
23# Module imports
24from anuga.shallow_water import Domain
25from anuga.shallow_water import Reflective_boundary
26from anuga.shallow_water import Transmissive_Momentum_Set_Stage_boundary
27from anuga.abstract_2d_finite_volumes.util import file_function
28
29import project
30
31
32#-------------------------
33# Create Domain from mesh
34#-------------------------
35domain = Domain(project.mesh_filename, use_cache=True, verbose=True)
36print domain.statistics()
37
38#-------------------------
39# Initial Conditions
40#-------------------------
41domain.set_quantity('friction', 0.0)
42domain.set_quantity('stage', 0.0)
43domain.set_quantity('elevation',
44                    filename=project.bathymetry_filename,
45                    alpha=0.02,                   
46                    verbose=True,
47                    use_cache=True)
48
49
50#-------------------------
51# Domain parameters
52#-------------------------
53domain.set_name(project.output_filename)  # Name of output sww file
54domain.set_default_order(2)               # Apply second order scheme
55domain.set_all_limiters(0.9)              # Max second order scheme (old lim)
56domain.set_minimum_storable_height(0.001) # Don't store w < 0.001m
57domain.set_maximum_allowed_speed(0.1)     # Allow a little runoff (0.1 is OK)
58
59
60#-------------------------
61# Boundary Conditions
62#-------------------------
63
64# Create boundary function from timeseries provided in file
65function = file_function(project.boundary_filename,
66                         domain, verbose=True)
67
68# Create and assign boundary objects
69Bts = Transmissive_Momentum_Set_Stage_boundary(domain, function)
70Br = Reflective_boundary(domain)
71domain.set_boundary({'wave': Bts, 'wall': Br})
72
73
74#-------------------------
75# Evolve through time
76#-------------------------
77import time
78t0 = time.time()
79
80for t in domain.evolve(yieldstep = 0.05, finaltime = 22.5):
81    domain.write_time()
82
83print 'That took %.2f seconds' %(time.time()-t0)
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