source: anuga_work/development/friction_UA_flume_2006/run_dam.py @ 4048

"""Script for running a dam break simulation of U of Aberdeen's dam break tank.


Ole Nielsen and Duncan Gray, GA - 2006 


Issues
If running this is hand-set-up parallel, the python files are overwritten.

"""


#----------------------------------------------------------------------------
# Import necessary modules
#----------------------------------------------------------------------------

# Standard modules
import time
from time import localtime, strftime
import sys
from shutil import copy
from os import path, sep
from os.path import dirname  #, basename


#import pypar

# Related major packages
from anuga.shallow_water import Domain, Reflective_boundary, \
                            Dirichlet_boundary, Time_boundary, File_boundary
from anuga.abstract_2d_finite_volumes.region import Set_region 
from anuga.fit_interpolate.interpolate import interpolate_sww2csv
from anuga.abstract_2d_finite_volumes.util import start_screen_catcher, \
     copy_code_files


# Scenario specific imports
import project                 # Definition of file names and polygons
import create_mesh


def main(friction, outputdir_name=None, is_trial_run=False):
    basename = 'zz' + str(friction)
    if is_trial_run is True:
        outputdir_name += '_test'
        yieldstep = 1
        finaltime = 31
    else:
        yieldstep = 0.01
        finaltime = 31
        

#     rank = pypar.rank()  #My id
#     if 0 == rank:
#         pro_instance = project.Project(['data','flumes','dam_2006'],
#                                        outputdir_name=outputdir_name)
#     else:
#         # wait for a bit..I don't know if I need this
#         for i in range(500):
#             pass        
#         pro_instance = project.Project(['data','flumes','dam_2006'],
#                                        outputdir_name=outputdir_name)
           
    pro_instance = project.Project(['data','flumes','dam_2006'],
                                       outputdir_name=outputdir_name)
    mesh_filename = pro_instance.meshdir + basename + '.msh'

    #--------------------------------------------------------------------------
    # Copy scripts to output directory and capture screen
    # output to file
    #--------------------------------------------------------------------------

    # creates copy of code in output dir
    print "The output dir is", pro_instance.outputdir
    copy_code_files(pro_instance.outputdir,__file__,
                    dirname(project.__file__) \
                    + sep + project.__name__+'.py')
    copy (pro_instance.codedir + 'run_dam.py',
          pro_instance.outputdir + 'run_dam' + str(friction)+ '.py')
    copy (pro_instance.codedir + 'create_mesh.py',
          pro_instance.outputdir + 'create_mesh.py')
    if is_trial_run is False:
        start_screen_catcher(pro_instance.outputdir, int(friction*100))

    print 'USER:    ', pro_instance.user
    #-------------------------------------------------------------------------
    # Create the triangular mesh
    #-------------------------------------------------------------------------
    
    gate_position = 12.0
    create_mesh.generate(mesh_filename,
                         gate_position,
                         is_coarse=is_trial_run) # this creates the mesh

    head,tail = path.split(mesh_filename)
    copy (mesh_filename,
          pro_instance.outputdir + tail )
    #-------------------------------------------------------------------------
    # Setup computational domain
    #-------------------------------------------------------------------------
    domain = Domain(mesh_filename, use_cache = False, verbose = True)
   

    print 'Number of triangles = ', len(domain)
    print 'The extent is ', domain.get_extent()
    print domain.statistics()

    
    domain.set_name(basename)
    domain.set_datadir(pro_instance.outputdir)
    domain.set_quantities_to_be_stored(['stage', 'xmomentum', 'ymomentum'])
    domain.set_minimum_storable_height(0.01)
    #domain.set_store_vertices_uniquely(True)  # for writting to sww

    #-------------------------------------------------------------------------
    # Setup initial conditions
    #-------------------------------------------------------------------------

    domain.set_quantity('stage', 0.0)
    domain.set_quantity('friction', friction) 
    domain.set_quantity('elevation',0.0)

    domain.set_quantity('elevation', filename = 'elevation.xya',
                        alpha = 10.0,verbose = True, use_cache = True)
    
    print 'Available boundary tags', domain.get_boundary_tags()
    domain.set_region('dam','stage',0.6,
                                 location = 'unique vertices') 
    #domain.set_region(Set_region('dam','stage',0.2,
    #                             location = 'unique vertices'))

    Br = Reflective_boundary(domain)
    Bd = Dirichlet_boundary([0,0,0])  # to drain the water out.
    domain.set_boundary( {'wall': Br, 'edge': Bd} )

    #-------------------------------------------------------------------------
    # Evolve system through time
    #-------------------------------------------------------------------------
    t0 = time.time()

    for t in domain.evolve(yieldstep, finaltime):
        domain.write_time()
    
        print 'That took %.2f seconds' %(time.time()-t0)
        print 'finished'

    points = [[2.8,0.225],  #-1.8m from SWL
              [5.1,0.225],  #0.5m from SWL
              [6.6,0.225],  #2m from SWL
              [6.95,0.255], #2.35m from SWL
              [7.6,0.255],  #3m from SWL
              [8.1,0.255],  #3.5m from SWL
              [9.1,0.255]  #4.5m from SWL
              ]

#     points = [[gate_position - 0.65,0.2],
#               [gate_position - 0.55,0.2],
#               [gate_position - 0.45,0.2],
#               [gate_position - 0.35,0.2],
#               [gate_position - 0.25,0.2]
#               ]

    #-------------------------------------------------------------------------
    # Calculate gauge info
    #-------------------------------------------------------------------------

    interpolate_sww2csv(pro_instance.outputdir + basename +".sww",
                        points,
                        pro_instance.outputdir + "depth_manning_"+str(friction)+".csv",
                        pro_instance.outputdir + "velocity_x.csv",
                        pro_instance.outputdir + "velocity_y.csv")
  
    return pro_instance

#-------------------------------------------------------------
if __name__ == "__main__":
 #    rank = pypar.rank()  #My id
#     size = pypar.size() #Number of MPI processes
#     node = pypar.get_processor_name()
#     frictions = [0.0, 0.01, 0.0125]
#     for i, friction in enumerate(frictions):
#         if i%size == rank:
#             print "I am processor %d of %d on node %s" %(rank, size, node)
#             #main(friction, is_trial_run = True, outputdir_name='friction_UA')

     frictions = [0.04]
     for i, friction in enumerate(frictions):
         main(friction, is_trial_run = False, outputdir_name='friction_UA_2')

   # 0.0 -15
   # 0.01 -
   # 0.0125 -8
   # 0.015
   # 0.016 - 1
   # 0.017
   # 0.018 - 9
   # 0.019
   # 0.02 - 4
   # 0.0225 - 1
   # 0.025 - 4
   # 0.0275 - 17
   # 0.03
   # 0.0325 - 17
   # 0.035 - 10
   # 0.0375 
   # 0.04

   #Let's do it again..friction_UA_2
   # 0.017 -15
   # 0.02
   # 0.015 -8
   # 0.019
   # 0.0225 -1
   # 0.03
   # 0.04 -9