| 1 | """Script for running a dam break simulation of U of Aberdeen's dam break tank. |
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| 2 | |
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| 3 | |
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| 4 | Ole Nielsen and Duncan Gray, GA - 2006 |
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| 5 | |
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| 6 | |
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| 7 | Issues |
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| 8 | If running this is hand-set-up parallel, the python files are overwritten. |
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| 9 | |
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| 10 | """ |
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| 11 | #---------------------------------------------------------------------------- |
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| 12 | # Import necessary modules |
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| 13 | #---------------------------------------------------------------------------- |
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| 14 | |
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| 15 | # Standard modules |
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| 16 | import time |
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| 17 | from time import localtime, strftime |
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| 18 | import sys |
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| 19 | from shutil import copy |
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| 20 | from os import path, sep |
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| 21 | from os.path import dirname #, basename |
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| 22 | |
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| 23 | # Related major packages |
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| 24 | from anuga.shallow_water import Domain, Reflective_boundary, \ |
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| 25 | Dirichlet_boundary, Time_boundary, File_boundary |
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| 26 | from anuga.abstract_2d_finite_volumes.region import Set_region |
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| 27 | from anuga.fit_interpolate.interpolate import interpolate_sww2csv |
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| 28 | from anuga.abstract_2d_finite_volumes.util import start_screen_catcher, \ |
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| 29 | copy_code_files |
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| 30 | |
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| 31 | |
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| 32 | # Scenario specific imports |
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| 33 | import project # Definition of file names and polygons |
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| 34 | import create_mesh |
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| 35 | |
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| 36 | |
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| 37 | def main(friction, outputdir_name=None, is_trial_run=False): |
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| 38 | basename = 'zz' + str(friction) |
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| 39 | if is_trial_run is True: |
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| 40 | outputdir_name += '_test' |
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| 41 | yieldstep = 1 |
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| 42 | finaltime = 31 |
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| 43 | else: |
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| 44 | yieldstep = 0.01 |
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| 45 | finaltime = 31 |
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| 46 | |
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| 47 | pro_instance = project.Project(['data','flumes','dam_2006'], |
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| 48 | outputdir_name=outputdir_name) |
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| 49 | mesh_filename = pro_instance.meshdir + basename + '.msh' |
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| 50 | |
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| 51 | #-------------------------------------------------------------------------- |
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| 52 | # Copy scripts to output directory and capture screen |
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| 53 | # output to file |
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| 54 | #-------------------------------------------------------------------------- |
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| 55 | |
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| 56 | # creates copy of code in output dir |
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| 57 | print "The output dir is", pro_instance.outputdir |
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| 58 | copy_code_files(pro_instance.outputdir,__file__, |
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| 59 | dirname(project.__file__) \ |
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| 60 | + sep + project.__name__+'.py') |
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| 61 | copy (pro_instance.codedir + 'run_dam.py', |
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| 62 | pro_instance.outputdir + 'run_dam' + str(friction)+ '.py') |
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| 63 | copy (pro_instance.codedir + 'create_mesh.py', |
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| 64 | pro_instance.outputdir + 'create_mesh.py') |
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| 65 | if is_trial_run is False: |
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| 66 | start_screen_catcher(pro_instance.outputdir, int(friction*100)) |
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| 67 | |
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| 68 | print 'USER: ', pro_instance.user |
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| 69 | #------------------------------------------------------------------------- |
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| 70 | # Create the triangular mesh |
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| 71 | #------------------------------------------------------------------------- |
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| 72 | |
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| 73 | gate_position = 12.0 |
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| 74 | create_mesh.generate(mesh_filename, |
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| 75 | gate_position, |
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| 76 | is_coarse=is_trial_run) # this creates the mesh |
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| 77 | |
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| 78 | head,tail = path.split(mesh_filename) |
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| 79 | copy (mesh_filename, |
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| 80 | pro_instance.outputdir + tail ) |
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| 81 | #------------------------------------------------------------------------- |
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| 82 | # Setup computational domain |
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| 83 | #------------------------------------------------------------------------- |
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| 84 | domain = Domain(mesh_filename, use_cache = False, verbose = True) |
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| 85 | |
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| 86 | |
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| 87 | print 'Number of triangles = ', len(domain) |
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| 88 | print 'The extent is ', domain.get_extent() |
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| 89 | print domain.statistics() |
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| 90 | |
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| 91 | |
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| 92 | domain.set_name(basename) |
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| 93 | domain.set_datadir(pro_instance.outputdir) |
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| 94 | domain.set_quantities_to_be_stored(['stage', 'xmomentum', 'ymomentum']) |
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| 95 | domain.set_minimum_storable_height(0.01) |
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| 96 | #domain.set_store_vertices_uniquely(True) # for writting to sww |
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| 97 | |
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| 98 | #------------------------------------------------------------------------- |
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| 99 | # Setup initial conditions |
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| 100 | #------------------------------------------------------------------------- |
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| 101 | |
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| 102 | domain.set_quantity('stage', 0.0) |
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| 103 | domain.set_quantity('friction', friction) |
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| 104 | domain.set_quantity('elevation',0.0) |
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| 105 | |
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| 106 | domain.set_quantity('elevation', filename = 'elevation.xya', |
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| 107 | alpha = 10.0,verbose = True, use_cache = True) |
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| 108 | |
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| 109 | print 'Available boundary tags', domain.get_boundary_tags() |
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| 110 | domain.set_region('dam','stage',0.6, |
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| 111 | location = 'unique vertices') |
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| 112 | #domain.set_region(Set_region('dam','stage',0.2, |
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| 113 | # location = 'unique vertices')) |
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| 114 | |
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| 115 | Br = Reflective_boundary(domain) |
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| 116 | Bd = Dirichlet_boundary([0,0,0]) # to drain the water out. |
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| 117 | domain.set_boundary( {'wall': Br, 'edge': Bd} ) |
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| 118 | |
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| 119 | #------------------------------------------------------------------------- |
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| 120 | # Evolve system through time |
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| 121 | #------------------------------------------------------------------------- |
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| 122 | t0 = time.time() |
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| 123 | |
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| 124 | for t in domain.evolve(yieldstep, finaltime): |
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| 125 | domain.write_time() |
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| 126 | |
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| 127 | print 'That took %.2f seconds' %(time.time()-t0) |
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| 128 | print 'finished' |
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| 129 | |
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| 130 | points = [[2.8,0.225], #-1.8m from SWL |
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| 131 | [5.1,0.225], #0.5m from SWL |
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| 132 | [6.6,0.225], #2m from SWL |
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| 133 | [6.95,0.255], #2.35m from SWL |
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| 134 | [7.6,0.255], #3m from SWL |
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| 135 | [8.1,0.255], #3.5m from SWL |
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| 136 | [9.1,0.255] #4.5m from SWL |
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| 137 | ] |
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| 138 | |
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| 139 | |
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| 140 | #------------------------------------------------------------------------- |
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| 141 | # Calculate gauge info |
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| 142 | #------------------------------------------------------------------------- |
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| 143 | |
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| 144 | interpolate_sww2csv(pro_instance.outputdir + basename +".sww", |
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| 145 | points, |
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| 146 | pro_instance.outputdir + "depth_manning_"+str(friction)+".csv", |
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| 147 | pro_instance.outputdir + "velocity_x.csv", |
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| 148 | pro_instance.outputdir + "velocity_y.csv") |
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| 149 | |
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| 150 | return pro_instance |
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| 151 | |
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| 152 | #------------------------------------------------------------- |
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| 153 | if __name__ == "__main__": |
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| 154 | frictions = [0.04] |
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| 155 | for i, friction in enumerate(frictions): |
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| 156 | main(friction, is_trial_run = True, outputdir_name='friction_UA_2') |
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| 157 | |
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