source: anuga_work/development/Rudy_vandrie_2007/run_example.py @ 4631

Last change on this file since 4631 was 4631, checked in by ole, 17 years ago

Refactored limit2007 to tight_slope_limiters (using eclipse)

File size: 2.8 KB
Line 
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 File_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#-------------------------
40# Initial Conditions
41#-------------------------
42domain.set_quantity('friction', 0.0)
43domain.set_quantity('stage', 0.0)
44domain.set_quantity('elevation',
45                    filename=project.bathymetry_filename,
46                    alpha=0.02,                   
47                    verbose=True,
48                    use_cache=True)
49
50
51#-------------------------
52# Set simulation parameters
53#-------------------------
54domain.set_name(project.output_filename)  # Name of output sww file
55domain.set_default_order(2)               # Apply second order scheme
56domain.set_all_limiters(0.9)              # Max second order scheme (old lim)
57domain.set_minimum_storable_height(0.001) # Don't store w < 0.001m
58domain.set_maximum_allowed_speed(0.1)     # Allow a little runoff (0.1 is OK)
59
60# New slope limiter and first order h-limiter
61# (this in planned to be the default!)
62domain.beta_h = 0.0
63domain.tight_slope_limiters = 0
64
65#-------------------------
66# Boundary Conditions
67#-------------------------
68
69# Create boundary function from timeseries provided in file
70function = file_function(project.boundary_filename,
71                         domain, verbose=True)
72
73# Create and assign boundary objects
74#Bts = Transmissive_Momentum_Set_Stage_boundary(domain, function)
75Bts = File_boundary(project.boundary_filename, domain)
76Br = Reflective_boundary(domain)
77domain.set_boundary({'wave': Bts, 'wall': Br})
78
79
80#-------------------------
81# Evolve through time
82#-------------------------
83import time
84t0 = time.time()
85
86for t in domain.evolve(yieldstep = 10, finaltime = 32700):
87    domain.write_time()
88    domain.write_boundary_statistics(tags='wave')
89
90
91print 'That took %.2f seconds' %(time.time()-t0)
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