def run(tend=5. | units.day, state=None):

    param=adcirc_parameter_reader("data/test/2d/fort.15")
    param.read_parameters(NETA=9)
    param.parameters['NBFR']=-1

    gr=adcirc_grid_reader("data/test/2d/fort.14")
    gr.read_grid()
    nodes,elements,elev_boundary,flow_boundary=gr.get_sets()

    code=Adcirc()

    code._parameters=param.parameters        
    code.assign_grid_and_boundary(nodes,elements,elev_boundary, flow_boundary)

    code.parameters.use_interface_elevation_boundary=True
    code.parameters.use_interface_parameters=True
    code.parameters.use_interface_grid=True
    code.parameters.A_H=param.parameters["ESLM"] | units.m**2/units.s
    code.parameters.timestep=abs(param.parameters["DTDP"]) | units.s
    code.parameters.bottom_friction_law=["linear","quadratic","hybrid"][param.parameters["NOLIBF"]]
    try:
      code.parameters.linear_bottom_friction_coeff=param.parameters["TAU"]| units.s**-1
    except:
      pass
    try:
      code.parameters.quadratic_bottom_friction_coeff=param.parameters["CF"]
    except:
      pass
    code.parameters.use_predictor_corrector=param.parameters["DTDP"]<0
    code.parameters.use_interface_met_forcing=False

    if state:
      nodes,elements=state

    if state:
      code.parameters.begin_time=nodes.collection_attributes.time

    if state:
      channel=nodes.new_channel_to(code.nodes)
      channel.copy_attributes(["eta","deta_dt","status","vx","vy"])
      channel=elements.new_channel_to(code.elements)
      channel.copy_attributes(["status"])

    tnow=code.model_time
    dt=code.parameters.timestep

    elev_boundaries= list(code.elevation_boundaries())

    eta61=[]
    time=[]
    forcing=[]

    while tnow<tend-dt/2:
        elev_boundaries[0].eta=tidal_force_function(tnow+dt/2)
        code.evolve_model(tnow+dt)
        tnow=code.get_model_time()

        eta=code.nodes[60].eta.number
        time.append(tnow.number)
        eta61.append(eta)  
        forcing.append(elev_boundaries[0].eta[0].number)
  
    state=code.nodes.copy(),code.elements.copy()
    state[0].collection_attributes.time=code.model_time
    print("done at:", code.model_time.in_(units.day))
    
    code.stop()
    
    return state,time,eta61,forcing
    def initialize_adcirc(self):

        self.read_adcirc_grid("grid.input")

        param=adcirc_parameter_reader("param.input")
        param.read_parameters(NETA=self._neta, NFLUX=self._nflux)
      
        #~ param.parameters['NBFR']=-1
        param.parameters['NWS']=0

        adcirc=Adcirc(coordinates="spherical", redirection="file",redirect_stdout_file="adcirc.out")
        adcirc.set_rootdir(os.getcwd())

        #~ adcirc._parameters=param.parameters
        
        adcirc._parameters=get_default_parameter_set()
        
        adcirc._parameters["NCOR"]=1 # set coriolis f internally  
        
        adcirc.assign_grid_and_boundary(self.nodes, self.elements, self._elev_boundaries, self._flow_boundaries)

        adcirc.parameters.use_interface_parameters=True
        adcirc.parameters.use_interface_grid=True
        if self.boundary_forcing=="elevation":
          adcirc.parameters.use_interface_elevation_boundary=True
        elif self.boundary_forcing=="flow":
          adcirc.parameters.use_interface_flow_boundary=True
        adcirc.parameters.use_interface_met_forcing=True
        
        adcirc.parameters.A_H=1000. | units.m**2/units.s
        #~ adcirc.parameters.A_H=param.parameters["ESLM"] | units.m**2/units.s
        timestep=self.timestep
        n=1
        #~ while timestep>abs(param.parameters["DTDP"]) | units.s: 
        while timestep>300. | units.s: 
          n+=1
          timestep=timestep/n
        adcirc.parameters.timestep=timestep
        #~ adcirc.parameters.bottom_friction_law=["linear","quadratic","hybrid"][param.parameters["NOLIBF"]]
        #~ adcirc.parameters.linear_bottom_friction_coeff=param.parameters["TAU"]| units.s**-1
        adcirc.parameters.bottom_friction_law="hybrid"
        adcirc.parameters.hybrid_bottom_friction_hbreak=50. | units.m
        #~ adcirc.parameters.bottom_friction_law="linear"
        #~ adcirc.parameters.linear_bottom_friction_coeff=0.00001| units.s**-1
        adcirc.parameters.quadratic_bottom_friction_coeff=0.003#param.parameters["CF"]
        adcirc.parameters.use_predictor_corrector=True#param.parameters["DTDP"]<0
        adcirc.parameters.central_longitude=param.parameters["SLAM0"] | units.deg
        adcirc.parameters.central_latitude=param.parameters["SFEA0"] | units.deg
        adcirc.parameters.GWCE_weighting_factor=-1.#param.parameters["TAU0"]
        
        #~ adcirc.parameters.GWCE_weighting_factor=0.005
        
        
        #~ adcirc.parameters.spatial_derivative_advective_term_parameter=0
        #~ adcirc.parameters.time_derivative_advective_term_parameter=0
        #~ adcirc.parameters.finite_amplitude_term_parameter=0
        
        adcirc.parameters.minimum_depth=5.| units.m

        if self.adcirc_ramp:
          adcirc.parameters.use_ramping=True
          adcirc.parameters.ramping_time=self.adcirc_ramp
        print(adcirc.parameters)

        self.adcirc=adcirc
        
        self.adcirc_grid=adcirc.get_grid()
        self.adcirc_forcings_grid=StaggeredGrid(self.adcirc_grid.elements, nodes=adcirc.forcings)

        elements=adcirc.elements.copy(filter_attributes=lambda x,y: y in ["lat","lon","n1","n2","n3"] )
        nodes=adcirc.nodes.copy(filter_attributes=lambda x,y: y in ["lat","lon"] )

        self.adcirc_memory_grid = StaggeredGrid( elements, nodes=nodes )
Beispiel #3
0
    def test2(self):
        tend=5*86400. | units.s

        param=adcirc_parameter_reader("data/test/2d/fort.15")
        param.read_parameters(NETA=9)

        gr=adcirc_grid_reader("data/test/2d/fort.14")
        gr.read_grid()
        nodes,elements,elev_boundary,flow_boundary=gr.get_sets()

        code=Adcirc()

        code._parameters=param.parameters        
        code.assign_grid_and_boundary(nodes,elements,elev_boundary, flow_boundary)

        code.parameters.use_interface_elevation_boundary=False
        code.parameters.use_interface_parameters=True
        code.parameters.use_interface_grid=True
        code.parameters.A_H=param.parameters["ESLM"] | units.m**2/units.s
        code.parameters.timestep=abs(param.parameters["DTDP"]) | units.s
        code.parameters.bottom_friction_law=["linear","quadratic","hybrid"][param.parameters["NOLIBF"]]
        try:
          code.parameters.linear_bottom_friction_coeff=param.parameters["TAU"]| units.s**-1
        except:
          pass
        try:
          code.parameters.quadratic_bottom_friction_coeff=param.parameters["CF"]
        except:
          pass
        code.parameters.use_predictor_corrector=param.parameters["DTDP"]<0
        code.parameters.use_interface_met_forcing=False

        print(code.parameters)

        tnow=code.model_time
        dt=code.parameters.timestep
  
        elev_boundaries= list(code.elevation_boundaries())
  
        eta61=[]
        time=[]
        forcing=[]
  
        while tnow<tend-dt/2:
            code.evolve_model(tnow+dt)
            tnow=code.get_model_time()
  
            eta=code.nodes[60].eta.number
            time.append(tnow.number)
            eta61.append(eta)  
            forcing.append(elev_boundaries[0].eta[0].number)
      
        code.stop()
        
        from matplotlib import pyplot
          
        pyplot.ion()
        f=pyplot.figure(figsize=(8,6))
        pyplot.show()

        pyplot.clf()
        pyplot.plot(time,eta61,'r+')
        pyplot.plot(time,forcing,'g+')
        pyplot.plot(time,tidal_force_function((time| units.s)).number)
        pyplot.draw()
        sleep(3)