source: anuga_work/development/Hinwood_2008/run_dam.py @ 5236

Last change on this file since 5236 was 5236, checked in by duncan, 16 years ago

changes in scenarios

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1"""
2
3Script for running a breaking wave simulation of Jon Hinwoods wave tank.
4Note: this is based on the frinction_ua_flume_2006 structure.
5
6
7Duncan Gray, GA - 2007
8
9
10
11"""
12
13
14#----------------------------------------------------------------------------
15# Import necessary modules
16#----------------------------------------------------------------------------
17
18# Standard modules
19import time
20from time import localtime, strftime
21import sys
22from shutil import copy
23from os import path, sep
24from os.path import dirname  #, basename
25
26
27# Related major packages
28from anuga.shallow_water import Domain, Reflective_boundary, \
29                            Dirichlet_boundary,  Time_boundary, \
30                            File_boundary, \
31                            Transmissive_Momentum_Set_Stage_boundary
32from anuga.fit_interpolate.interpolate import interpolate_sww2csv
33from anuga.abstract_2d_finite_volumes.util import start_screen_catcher, \
34     copy_code_files, file_function
35from anuga.abstract_2d_finite_volumes.generic_boundary_conditions\
36     import File_boundary_time
37
38# Scenario specific imports
39import project                 # Definition of file names and polygons
40import create_mesh
41
42def elevation_function(x,y):
43    from Numeric import zeros, size, Float
44
45    xslope = create_mesh.xslope  #4 ## Bit of a magic Number
46    print "xslope",xslope
47    z = zeros(size(x), Float)
48    for i in range(len(x)):
49        if x[i] < xslope:
50            z[i] = 0.0  #WARNING: the code in prepare_time_boundary
51                        # that calc's momentum assumes this is 0.0
52        else:
53            z[i] = (x[i]-xslope)*(1./16.)
54    return z
55
56def main(friction=0.01, outputdir_name=None, is_trial_run=False):
57    basename = 'zz' + str(friction)
58    if is_trial_run is True:
59        outputdir_name += '_test'
60        yieldstep = 0.1
61        finaltime = 15.
62        maximum_triangle_area=0.01
63    else:
64        yieldstep = 0.02
65        finaltime = 15.1
66        maximum_triangle_area=0.0001
67       
68        maximum_triangle_area=0.001
69       
70    pro_instance = project.Project(['data','flumes','Hinwood_2008'],
71                                   outputdir_name=outputdir_name,
72                                   home='.')
73    print "The output dir is", pro_instance.outputdir
74    copy_code_files(pro_instance.outputdir,__file__,
75                    dirname(project.__file__) \
76                    + sep + project.__name__+'.py')
77    copy (pro_instance.codedir + 'run_dam.py',
78          pro_instance.outputdir + 'run_dam.py')
79    copy (pro_instance.codedir + 'create_mesh.py',
80          pro_instance.outputdir + 'create_mesh.py')
81   
82    mesh_filename = pro_instance.meshdir + basename + '.msh'
83
84    #--------------------------------------------------------------------------
85    # Copy scripts to output directory and capture screen
86    # output to file
87    #--------------------------------------------------------------------------
88
89    # creates copy of code in output dir
90    if is_trial_run is False:
91        start_screen_catcher(pro_instance.outputdir, rank, pypar.size())
92
93    print 'USER:    ', pro_instance.user
94    #-------------------------------------------------------------------------
95    # Create the triangular mesh
96    #-------------------------------------------------------------------------
97
98    # this creates the mesh
99    #gate_position = 12.0
100    create_mesh.generate(mesh_filename,
101                         maximum_triangle_area=maximum_triangle_area)
102
103    head,tail = path.split(mesh_filename)
104    copy (mesh_filename,
105          pro_instance.outputdir + tail )
106    #-------------------------------------------------------------------------
107    # Setup computational domain
108    #-------------------------------------------------------------------------
109    domain = Domain(mesh_filename, use_cache = False, verbose = True)
110   
111
112    print 'Number of triangles = ', len(domain)
113    print 'The extent is ', domain.get_extent()
114    print domain.statistics()
115
116   
117    domain.set_name(basename)
118    domain.set_datadir(pro_instance.outputdir)
119    domain.set_quantities_to_be_stored(['stage', 'xmomentum', 'ymomentum'])
120    domain.set_minimum_storable_height(0.001)
121    #domain.set_store_vertices_uniquely(True)  # for writting to sww
122
123    #-------------------------------------------------------------------------
124    # Setup initial conditions
125    #-------------------------------------------------------------------------
126
127    domain.set_quantity('stage', 0.4)
128    domain.set_quantity('friction', friction) 
129    domain.set_quantity('elevation', elevation_function)
130
131   
132    print 'Available boundary tags', domain.get_boundary_tags()
133
134    # Create boundary function from timeseries provided in file
135    #function = file_function(project.boundary_file, domain, verbose=True)
136    #Bts = Transmissive_Momentum_Set_Stage_boundary(domain, function)
137
138    function = file_function(project.boundary_file, domain, verbose=True)
139    Br = Reflective_boundary(domain)
140    #Bd = Dirichlet_boundary([0.3,0,0])
141    Bts = Time_boundary(domain, function)
142    domain.set_boundary( {'wall': Br, 'wave': Bts} )
143
144    #-------------------------------------------------------------------------
145    # Evolve system through time
146    #-------------------------------------------------------------------------
147    t0 = time.time()
148
149    for t in domain.evolve(yieldstep, finaltime):   
150        domain.write_time()
151    print 'That took %.2f seconds' %(time.time()-t0)
152    print 'finished'
153
154    flume_y_middle = 0.225
155    points = [[2.8,flume_y_middle],  #-1.8m from SWL
156              [5.1,flume_y_middle],  #0.5m from SWL
157              [6.6,flume_y_middle],  #2m from SWL
158              [6.95,flume_y_middle], #2.35m from SWL
159              [7.6,flume_y_middle],  #3m from SWL
160              [8.2,flume_y_middle],  #3.5m from SWL
161              [9.2,flume_y_middle]  #4.5m from SWL
162              ]
163
164
165    #-------------------------------------------------------------------------
166    # Calculate gauge info
167    #-------------------------------------------------------------------------
168
169    if True:
170        interpolate_sww2csv(pro_instance.outputdir + basename +".sww",
171                            points,
172                            pro_instance.outputdir + "depth_manning_"+str(friction)+".csv",
173                            pro_instance.outputdir + "velocity_x.csv",
174                            pro_instance.outputdir + "velocity_y.csv")
175 
176    return pro_instance
177
178#-------------------------------------------------------------
179if __name__ == "__main__":
180    main( is_trial_run = True,
181         outputdir_name='Hinwood_low_stage_low_velocity_draft')
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