Пример #1
0
 def get_dump_period(self):
     """Return the dump period and whether this is measured in timesteps."""
     if libspud.have_option('/io/dump_period_in_timesteps'):
         opt_type = libspud.get_child_name('/io/dump_period_in_timesteps', 0)
         period = libspud.get_option('/io/dump_period_in_timesteps/'+opt_type)
         return period, True
     #otherwise
     opt_type = libspud.get_child_name('/io/dump_period', 0)
     period = libspud.get_option('/io/dump_period/'+opt_type)
     return period, False
Пример #2
0
def get_parameters_from_options(options_file=None, **kwargs):
    """Read particle data from Fluidity options file."""

    if options_file:
        libspud.load_options(options_file)

    parameters = []

    options_base = '/embedded_models/particle_model/particle_classes'

    def get_option(pclass, key, default=None):
        """Get option from key."""

        result = default
        if libspud.have_option('/'.join((options_base, pclass, key))):
            result = libspud.get_option('/'.join((options_base, pclass, key)))
        return result

    for i in range(libspud.get_number_of_children(options_base)):
        key = libspud.get_child_name(options_base, i)
        name = get_option(key, 'name')

        diameter = get_option(key, 'diameter')
        distribution = get_option(key, 'distribution')
        density = get_option(key, 'density', default=2.5e3)

        parameters.append(
            PhysicalParticle(diameter=diameter,
                             rho=density,
                             distribution=distribution,
                             material_name=name,
                             **kwargs))

    return parameters
Пример #3
0
    def __init__(self, option_path):
        print option_path
        self.name = libspud.get_option(option_path + "/name")
        self.surface_ids = libspud.get_option(option_path + "/surface_ids")
        self.type = libspud.get_option(option_path + "/type/name")

        if (self.type == "dirichlet"):
            self.weak = libspud.have_option(option_path +
                                            "/type::%s/apply_weakly" %
                                            self.type)
            self.value = []
            R = ["x", "y", "z"]
            for r in R:
                if (libspud.have_option(
                        option_path +
                        "/type::%s/align_bc_with_cartesian/%s_component" %
                    (self.type, r))):
                    c = libspud.get_child_name(
                        option_path +
                        "/type::%s/align_bc_with_cartesian/%s_component/" %
                        (self.type), 1)
                    self.value.append(
                        libspud.get_option(
                            option_path +
                            "/type::%s/align_bc_with_cartesian/%s_component/%s"
                            % (self.type, r, c)))
                else:
                    self.value.append(None)
            print self.value
        else:
            self.weak = None
            self.value = [None, None, None]
Пример #4
0
def get_parameters_from_options(options_file=None,**kwargs):

    if options_file:
        libspud.load_options(options_file)

    parameters = []

    options_base = '/embedded_models/particle_model/particle_classes'

    def get_option(pclass,key,default=None):

        result = default
        if libspud.have_option('/'.join((options_base,pclass,key))):
            result = libspud.get_option('/'.join((options_base,pclass,key)))
        return result

    for i in range(libspud.get_number_of_children(options_base)):
        key = libspud.get_child_name(options_base,i)
        name = get_option(key,'name')

        diameter = get_option(key,'diameter')
        distribution = get_option(key,'distribution')
        density = get_option(key,'density',default=2.5e3)
        
        parameters.append(PhysicalParticle(diameter=diameter,
                                           rho=density,
                                           distribution=distribution,
                                           material_name=name,
                                           **kwargs))

    return parameters
Пример #5
0
def get_parameters_from_reader(reader, **kwargs):
    """Get particle parameter data from an option reader object."""

    del reader

    options_base = '/embedded_models/particle_model/particle_classes'

    parameters = []

    def get_option(pclass, key, default=None):
        """libspud wrapper."""
        result = default
        if libspud.have_option('/'.join((options_base, pclass, key))):
            result = libspud.get_option('/'.join((options_base, pclass, key)))
        return result

    for i in range(libspud.get_number_of_children(options_base)):
        key = libspud.get_child_name(options_base, i)
        name = get_option(key, 'name')

        diameter = get_option(key, 'diameter')
        distribution = get_option(key, 'distribution')
        density = get_option(key, 'density', default=2.5e3)

        parameters.append(
            PhysicalParticle(diameter=diameter,
                             rho=density,
                             distribution=distribution,
                             material_name=name,
                             **kwargs))

    return parameters
Пример #6
0
 def __init__(self, option_path):
    print option_path
    self.name = libspud.get_option(option_path + "/name")
    self.surface_ids = libspud.get_option(option_path + "/surface_ids")
    self.type = libspud.get_option(option_path + "/type/name")
    
    if(self.type == "dirichlet"):
       c = libspud.get_child_name(option_path + "/type::%s/", 1)
       self.value.append(libspud.get_option(option_path + "/type::%s/align_bc_with_cartesian/%s_component/%s" % (self.type, c)))
    else:
       self.value = None
Пример #7
0
    def __init__(self, option_path):
        print option_path
        self.name = libspud.get_option(option_path + "/name")
        self.surface_ids = libspud.get_option(option_path + "/surface_ids")
        self.type = libspud.get_option(option_path + "/type/name")

        if (self.type == "dirichlet"):
            c = libspud.get_child_name(option_path + "/type::%s/", 1)
            self.value.append(
                libspud.get_option(
                    option_path +
                    "/type::%s/align_bc_with_cartesian/%s_component/%s" %
                    (self.type, c)))
        else:
            self.value = None
Пример #8
0
 def __init__(self, option_path):
    print option_path
    self.name = libspud.get_option(option_path + "/name")
    self.surface_ids = libspud.get_option(option_path + "/surface_ids")
    self.type = libspud.get_option(option_path + "/type/name")
    
    if(self.type == "dirichlet"):
       self.weak = libspud.have_option(option_path + "/type::%s/apply_weakly" % self.type)
       self.value = []
       R = ["x", "y", "z"]
       for r in R:
          if(libspud.have_option(option_path + "/type::%s/align_bc_with_cartesian/%s_component" % (self.type, r))):
             c = libspud.get_child_name(option_path + "/type::%s/align_bc_with_cartesian/%s_component/" % (self.type), 1)
             self.value.append(libspud.get_option(option_path + "/type::%s/align_bc_with_cartesian/%s_component/%s" % (self.type, r, c)))
          else:
             self.value.append(None)
       print self.value
    else:
       self.weak = None
       self.value = [None, None, None]
Пример #9
0
    def __init__(self, path):
        self.path = path
        self.name = libspud.get_option(path+'/name')

        # Meshes read from file are alway P1 CG
        if libspud.have_option(path+'/from_file'):
            self.shape = 'CG'
            self.degree = 1

        # For derived meshes, check if shape or degree are overridden
        elif libspud.have_option(path+'/from_mesh'):
            # Take the inherited options as default
            basemesh = Mesh('/geometry/'+libspud.get_child_name(path+'/from_mesh',0))
            self.shape = basemesh.shape
            self.degree = basemesh.degree
            # Override continuity if set
            if libspud.have_option(path+'/from_mesh/mesh_continuity'):
                if libspud.get_option(path+'/from_mesh/mesh_continuity') == 'discontinuous':
                    self.shape = 'DG'
            # Override polynomial degree if set
            if libspud.have_option(path+'/from_mesh/mesh_shape/polynomial_degree'):
                self.degree = libspud.get_option(path+'/from_mesh/mesh_shape/polynomial_degree')
Пример #10
0
import libspud
print libspud.__file__

libspud.load_options('test.flml')

libspud.print_options()

print libspud.number_of_children('/geometry')
print libspud.get_child_name('geometry', 0)

print libspud.option_count('/problem_type')
print libspud.have_option('/problem_type')

print libspud.get_option_type('/geometry/dimension')
print libspud.get_option_type('/problem_type')

print libspud.get_option_rank('/geometry/dimension')
print libspud.get_option_rank(
    '/physical_parameters/gravity/vector_field::GravityDirection/prescribed/value/constant'
)

print libspud.get_option_shape('/geometry/dimension')
print libspud.get_option_shape('/problem_type')

print libspud.get_option('/problem_type')
print libspud.get_option('/geometry/dimension')
libspud.set_option('/geometry/dimension', 3)
print libspud.get_option('/geometry/dimension')

list_path = '/material_phase::Material1/scalar_field::MaterialVolumeFraction/prognostic/boundary_conditions::LetNoOneLeave/surface_ids'
print libspud.get_option_shape(list_path)
Пример #11
0
def convert(fluidity_options_file_path, ff_options_file_path):
   
   # Read in Fluidity simulation options
   
   libspud.clear_options()
   libspud.load_options(fluidity_options_file_path)
   
   # Simulation name
   simulation_name = libspud.get_option("/simulation_name")
   
   # Geometry
   base = "/geometry"
   dimension = libspud.get_option(base + "/dimension")
   mesh_path = libspud.get_option(base + "/mesh::CoordinateMesh/from_file/file_name") + ".msh" # FIXME: Always assumes gmsh format.
  
   # Function spaces
   velocity_function_space = FunctionSpace("/geometry", 1)
   freesurface_function_space = FunctionSpace("/geometry", 2)
    
   # Timestepping
   base = "/timestepping"
   current_time = libspud.get_option(base + "/current_time")
   timestep = libspud.get_option(base + "/timestep")
   finish_time = libspud.get_option(base + "/finish_time")

   ## Steady-state
   if(libspud.have_option(base + "/steady_state")):
      if(libspud.have_option(base + "/steady_state/tolerance")):
         steady_state = libspud.get_option(base + "/steady_state/tolerance")
      else:
         steady_state = 1e-7
   else:
      steady_state = None   

   # I/O
   base = "/io"
   dump_format = libspud.get_option(base + "/dump_format")
   if(libspud.have_option(base + "/dump_period")):
      dump_period = libspud.get_option(base + "/dump_period/constant")
   elif(libspud.have_option(base + "/dump_period_in_timesteps")):
      dump_period = libspud.get_option(base + "/dump_period_in_timesteps/constant")*timestep
   else:
      print "Unable to obtain dump_period."
      sys.exit()
      
   # Gravity
   g_magnitude = libspud.get_option("/physical_parameters/gravity/magnitude")
   
   # Velocity field (momentum equation)
   base = "/material_phase[0]/vector_field::Velocity"
   
   ## Depth (free surface mean height)
   c = libspud.get_child_name(base + "/prognostic/equation::ShallowWater/scalar_field::BottomDepth/prescribed/value::WholeMesh/", 1)
   depth = libspud.get_option(base + "/prognostic/equation::ShallowWater/scalar_field::BottomDepth/prescribed/value::WholeMesh/%s" % c)
   
   ## Bottom drag coefficient
   if(libspud.have_option(base + "/prognostic/equation::ShallowWater/bottom_drag")):
      c = libspud.get_child_name(base + "/prognostic/equation::ShallowWater/bottom_drag/scalar_field::BottomDragCoefficient/prescribed/value::WholeMesh/", 1)
      bottom_drag = libspud.get_option(base + "/prognostic/equation::ShallowWater/bottom_drag/scalar_field::BottomDragCoefficient/prescribed/value::WholeMesh/%s" % c)
   else:
      bottom_drag = None
      
   ## Viscosity
   if(libspud.have_option(base + "/prognostic/tensor_field::Viscosity")):
      viscosity = libspud.get_option(base + "/prognostic/tensor_field::Viscosity/prescribed/value::WholeMesh/anisotropic_symmetric/constant")[0][0]
   else:
      viscosity = None

   ## Momentum source
   if(libspud.have_option(base + "/prognostic/vector_field::Source")):
      c = libspud.get_child_name(base + "/prognostic/vector_field::Source/prescribed/value::WholeMesh/", 1)
      momentum_source = libspud.get_option(base + "/prognostic/vector_field::Source/prescribed/value::WholeMesh/%s" % c)
   else:
      momentum_source = None
      
   ## Initial condition
   if(libspud.have_option(base + "/prognostic/initial_condition::WholeMesh")):
      c = libspud.get_child_name(base + "/prognostic/initial_condition::WholeMesh/", 1)
      velocity_initial_condition = libspud.get_option(base + "/prognostic/initial_condition::WholeMesh/%s" % c)
   else:
      velocity_initial_condition = 0.0
      
   ## Boundary conditions
   number_of_bcs = libspud.option_count(base + "/prognostic/boundary_conditions")
   velocity_bcs = []
   for i in range(number_of_bcs):
      velocity_bcs.append(VelocityBoundaryCondition(base + "/prognostic/boundary_conditions[%d]" % i))
   
   
   # Pressure field (continuity equation)
   base = "/material_phase[0]/scalar_field::Pressure"
   integrate_by_parts = libspud.have_option(base + "/prognostic/spatial_discretisation/continuous_galerkin/integrate_continuity_by_parts")
   
   ## Initial condition
   if(libspud.have_option(base + "/prognostic/initial_condition::WholeMesh")):
      c = libspud.get_child_name(base + "/prognostic/initial_condition::WholeMesh/", 1)
      pressure_initial_condition = libspud.get_option(base + "/prognostic/initial_condition::WholeMesh/%s" % c)
   else:
      pressure_initial_condition = 0.0
      
   ## Boundary conditions
   number_of_bcs = libspud.option_count(base + "/prognostic/boundary_conditions")
   pressure_bcs = []
   for i in range(number_of_bcs):
      pressure_bcs.append(PressureBoundaryCondition(base + "/prognostic/boundary_conditions[%d]" % i))
   
   ## Continuity source
   if(libspud.have_option(base + "/prognostic/scalar_field::Source")):
      c = libspud.get_child_name(base + "/prognostic/scalar_field::Source/prescribed/value::WholeMesh/", 1)
      continuity_source = libspud.get_option(base + "/prognostic/scalar_field::Source/prescribed/value::WholeMesh/%s" % c)
   else:
      continuity_source = None
   





   
   
   # Write out to a Firedrake-Fluids simulation configuration file
   libspud.clear_options()
   
   # Create a bare-bones .swml file to add to.
   f = open(ff_options_file_path, "w")
   f.write("<?xml version='1.0' encoding='utf-8'?>\n")
   f.write("<shallow_water_options>\n")
   f.write("</shallow_water_options>\n")
   f.close()
   
   libspud.load_options(ff_options_file_path)

   # Simulation name
   libspud.set_option("/simulation_name", simulation_name)
   
   # Geometry
   base = "/geometry"
   libspud.set_option(base + "/dimension", dimension)
   libspud.set_option(base + "/mesh/from_file/relative_path", mesh_path)
   
   # Function spaces
   base = "/function_spaces"
   libspud.set_option(base + "/function_space::VelocityFunctionSpace/degree", velocity_function_space.degree)
   libspud.set_option(base + "/function_space::VelocityFunctionSpace/family", velocity_function_space.family)
   libspud.set_option(base + "/function_space::FreeSurfaceFunctionSpace/degree", freesurface_function_space.degree)
   libspud.set_option(base + "/function_space::FreeSurfaceFunctionSpace/family", freesurface_function_space.family)
   
   # I/O
   base = "/io"
   libspud.set_option(base + "/dump_format", dump_format)
   libspud.set_option(base + "/dump_period", dump_period)
   
   # Timestepping
   base = "/timestepping"
   print timestep
   libspud.set_option(base + "/current_time", current_time)
   try:
      libspud.set_option(base + "/timestep", timestep)
   except:
      pass
   libspud.set_option(base + "/finish_time", finish_time)
   
   ## Steady-state
   if(steady_state):
      libspud.set_option(base + "/steady_state/tolerance", steady_state)
      
   # Gravity
   libspud.set_option("/physical_parameters/gravity/magnitude", g_magnitude)
   
   # System/Core Fields: Velocity
   base = "/system/core_fields/vector_field::Velocity"
   
   ## Initial condition
   if(isinstance(velocity_initial_condition, str)):
      libspud.set_option(base + "/initial_condition/python", velocity_initial_condition)
   else:
      libspud.set_option(base + "/initial_condition/constant", velocity_initial_condition)
   
   ## Boundary conditions
   try:
      for i in range(len(velocity_bcs)):
         libspud.set_option(base + "/boundary_condition::%s/surface_ids" % velocity_bcs[i].name, velocity_bcs[i].surface_ids)
         libspud.set_option_attribute(base + "/boundary_condition::%s/type/name" % velocity_bcs[i].name, velocity_bcs[i].type)
         
         if(velocity_bcs[i].type == "dirichlet"):
            if(isinstance(velocity_bcs[i].value, str)):
               libspud.set_option(base + "/boundary_condition::%s/type::dirichlet/value/python" % velocity_bcs[i].name, velocity_bcs[i].value)
            else:
               libspud.set_option(base + "/boundary_condition::%s/type::dirichlet/value/constant" % velocity_bcs[i].name, velocity_bcs[i].value)
   except:
      pass

   # System/Core Fields: FreeSurfacePerturbation
   base = "/system/core_fields/scalar_field::FreeSurfacePerturbation"
   
   #FIXME: Pressure initial and boundary conditions are multiplied by 'g' in Fluidity, but not in Firedrake-Fluids.
   ## Initial condition
   if(isinstance(pressure_initial_condition, str)):
      libspud.set_option(base + "/initial_condition/python", pressure_initial_condition)
   else:
      libspud.set_option(base + "/initial_condition/constant", pressure_initial_condition)
   
   ## Boundary conditions
   try:
      for i in range(len(pressure_bcs)):
         libspud.set_option(base + "/boundary_condition::%s/surface_ids" % pressure_bcs[i].name, pressure_bcs[i].surface_ids)
         libspud.set_option(base + "/boundary_condition::%s/type/name" % pressure_bcs[i].name, pressure_bcs[i].type)
         
         if(pressure_bcs[i].type == "dirichlet"):
            if(isinstance(pressure_bcs[i].value, str)):
               libspud.set_option(base + "/boundary_condition::%s/type::dirichlet/value/python" % pressure_bcs[i].name, pressure_bcs[i].value)
            else:
               libspud.set_option(base + "/boundary_condition::%s/type::dirichlet/value/constant" % pressure_bcs[i].name, pressure_bcs[i].value)
   except:
      pass

   # System/Core Fields: FreeSurfaceMean
   base = "/system/core_fields/scalar_field::FreeSurfaceMean"
   if(isinstance(depth, str)):
      libspud.set_option(base + "/value/python", depth)
   else:
      libspud.set_option(base + "/value/constant", depth)
      
   
   # Equations: Continuity equation
   base = "/system/equations/continuity_equation"
   libspud.set_option(base + "/integrate_by_parts", integrate_by_parts)

   ## Source term
   if(continuity_source is not None):
      if(isinstance(continuity_source, str)):
         libspud.set_option(base + "/source_term/scalar_field::Source/value/python", continuity_source)
      else:
         libspud.set_option(base + "/source_term/scalar_field::Source/value/constant", continuity_source)
         
   # Equations: Momentum equation
   base = "/system/equations/momentum_equation"
   
   ## Viscosity
   if(viscosity is not None):
      if(isinstance(viscosity, str)):
         libspud.set_option(base + "/stress_term/scalar_field::Viscosity/value/python", viscosity)
      else:
         libspud.set_option(base + "/stress_term/scalar_field::Viscosity/value/constant", viscosity)

   ## Bottom drag
   if(bottom_drag is not None):
      if(isinstance(bottom_drag, str)):
         libspud.set_option(base + "/drag_term/scalar_field::BottomDragCoefficient/value/python", bottom_drag)
      else:
         libspud.set_option(base + "/drag_term/scalar_field::BottomDragCoefficient/value/constant", bottom_drag)
   
   ## Source term
   if(momentum_source is not None):
      if(isinstance(momentum_source, str)):
         libspud.set_option(base + "/source_term/vector_field::Source/value/python", momentum_source)
      else:
         libspud.set_option(base + "/source_term/vector_field::Source/value/constant", momentum_source)
   
   
   # Write all the applied options to file.
   libspud.write_options(ff_options_file_path)
   
   return
Пример #12
0
import libspud
print libspud.__file__

libspud.load_options('test.flml')

libspud.print_options()

print libspud.number_of_children('/geometry')
print libspud.get_child_name('geometry', 0)

print libspud.option_count('/problem_type')
print libspud.have_option('/problem_type')

print libspud.get_option_type('/geometry/dimension')
print libspud.get_option_type('/problem_type')

print libspud.get_option_rank('/geometry/dimension')
print libspud.get_option_rank('/physical_parameters/gravity/vector_field::GravityDirection/prescribed/value/constant')

print libspud.get_option_shape('/geometry/dimension')
print libspud.get_option_shape('/problem_type')

print libspud.get_option('/problem_type')
print libspud.get_option('/geometry/dimension')
libspud.set_option('/geometry/dimension', 3)
print libspud.get_option('/geometry/dimension')

list_path = '/material_phase::Material1/scalar_field::MaterialVolumeFraction/prognostic/boundary_conditions::LetNoOneLeave/surface_ids'
print libspud.get_option_shape(list_path)
print libspud.get_option_rank(list_path)
print libspud.get_option(list_path)
Пример #13
0
def convert(fluidity_options_file_path, ff_options_file_path):

    # Read in Fluidity simulation options

    libspud.clear_options()
    libspud.load_options(fluidity_options_file_path)

    # Simulation name
    simulation_name = libspud.get_option("/simulation_name")

    # Geometry
    base = "/geometry"
    dimension = libspud.get_option(base + "/dimension")
    mesh_path = libspud.get_option(
        base + "/mesh::CoordinateMesh/from_file/file_name"
    ) + ".msh"  # FIXME: Always assumes gmsh format.

    # Function spaces
    velocity_function_space = FunctionSpace("/geometry", 1)
    freesurface_function_space = FunctionSpace("/geometry", 2)

    # Timestepping
    base = "/timestepping"
    current_time = libspud.get_option(base + "/current_time")
    timestep = libspud.get_option(base + "/timestep")
    finish_time = libspud.get_option(base + "/finish_time")

    ## Steady-state
    if (libspud.have_option(base + "/steady_state")):
        if (libspud.have_option(base + "/steady_state/tolerance")):
            steady_state = libspud.get_option(base + "/steady_state/tolerance")
        else:
            steady_state = 1e-7
    else:
        steady_state = None

    # I/O
    base = "/io"
    dump_format = libspud.get_option(base + "/dump_format")
    if (libspud.have_option(base + "/dump_period")):
        dump_period = libspud.get_option(base + "/dump_period/constant")
    elif (libspud.have_option(base + "/dump_period_in_timesteps")):
        dump_period = libspud.get_option(
            base + "/dump_period_in_timesteps/constant") * timestep
    else:
        print "Unable to obtain dump_period."
        sys.exit()

    # Gravity
    g_magnitude = libspud.get_option("/physical_parameters/gravity/magnitude")

    # Velocity field (momentum equation)
    base = "/material_phase[0]/vector_field::Velocity"

    ## Depth (free surface mean height)
    c = libspud.get_child_name(
        base +
        "/prognostic/equation::ShallowWater/scalar_field::BottomDepth/prescribed/value::WholeMesh/",
        1)
    depth = libspud.get_option(
        base +
        "/prognostic/equation::ShallowWater/scalar_field::BottomDepth/prescribed/value::WholeMesh/%s"
        % c)

    ## Bottom drag coefficient
    if (libspud.have_option(base +
                            "/prognostic/equation::ShallowWater/bottom_drag")):
        c = libspud.get_child_name(
            base +
            "/prognostic/equation::ShallowWater/bottom_drag/scalar_field::BottomDragCoefficient/prescribed/value::WholeMesh/",
            1)
        bottom_drag = libspud.get_option(
            base +
            "/prognostic/equation::ShallowWater/bottom_drag/scalar_field::BottomDragCoefficient/prescribed/value::WholeMesh/%s"
            % c)
    else:
        bottom_drag = None

    ## Viscosity
    if (libspud.have_option(base + "/prognostic/tensor_field::Viscosity")):
        viscosity = libspud.get_option(
            base +
            "/prognostic/tensor_field::Viscosity/prescribed/value::WholeMesh/anisotropic_symmetric/constant"
        )[0][0]
    else:
        viscosity = None

    ## Momentum source
    if (libspud.have_option(base + "/prognostic/vector_field::Source")):
        c = libspud.get_child_name(
            base +
            "/prognostic/vector_field::Source/prescribed/value::WholeMesh/", 1)
        momentum_source = libspud.get_option(
            base +
            "/prognostic/vector_field::Source/prescribed/value::WholeMesh/%s" %
            c)
    else:
        momentum_source = None

    ## Initial condition
    if (libspud.have_option(base +
                            "/prognostic/initial_condition::WholeMesh")):
        c = libspud.get_child_name(
            base + "/prognostic/initial_condition::WholeMesh/", 1)
        velocity_initial_condition = libspud.get_option(
            base + "/prognostic/initial_condition::WholeMesh/%s" % c)
    else:
        velocity_initial_condition = 0.0

    ## Boundary conditions
    number_of_bcs = libspud.option_count(base +
                                         "/prognostic/boundary_conditions")
    velocity_bcs = []
    for i in range(number_of_bcs):
        velocity_bcs.append(
            VelocityBoundaryCondition(base +
                                      "/prognostic/boundary_conditions[%d]" %
                                      i))

    # Pressure field (continuity equation)
    base = "/material_phase[0]/scalar_field::Pressure"
    integrate_by_parts = libspud.have_option(
        base +
        "/prognostic/spatial_discretisation/continuous_galerkin/integrate_continuity_by_parts"
    )

    ## Initial condition
    if (libspud.have_option(base +
                            "/prognostic/initial_condition::WholeMesh")):
        c = libspud.get_child_name(
            base + "/prognostic/initial_condition::WholeMesh/", 1)
        pressure_initial_condition = libspud.get_option(
            base + "/prognostic/initial_condition::WholeMesh/%s" % c)
    else:
        pressure_initial_condition = 0.0

    ## Boundary conditions
    number_of_bcs = libspud.option_count(base +
                                         "/prognostic/boundary_conditions")
    pressure_bcs = []
    for i in range(number_of_bcs):
        pressure_bcs.append(
            PressureBoundaryCondition(base +
                                      "/prognostic/boundary_conditions[%d]" %
                                      i))

    ## Continuity source
    if (libspud.have_option(base + "/prognostic/scalar_field::Source")):
        c = libspud.get_child_name(
            base +
            "/prognostic/scalar_field::Source/prescribed/value::WholeMesh/", 1)
        continuity_source = libspud.get_option(
            base +
            "/prognostic/scalar_field::Source/prescribed/value::WholeMesh/%s" %
            c)
    else:
        continuity_source = None

    # Write out to a Firedrake-Fluids simulation configuration file
    libspud.clear_options()

    # Create a bare-bones .swml file to add to.
    f = open(ff_options_file_path, "w")
    f.write("<?xml version='1.0' encoding='utf-8'?>\n")
    f.write("<shallow_water_options>\n")
    f.write("</shallow_water_options>\n")
    f.close()

    libspud.load_options(ff_options_file_path)

    # Simulation name
    libspud.set_option("/simulation_name", simulation_name)

    # Geometry
    base = "/geometry"
    libspud.set_option(base + "/dimension", dimension)
    libspud.set_option(base + "/mesh/from_file/relative_path", mesh_path)

    # Function spaces
    base = "/function_spaces"
    libspud.set_option(base + "/function_space::VelocityFunctionSpace/degree",
                       velocity_function_space.degree)
    libspud.set_option(base + "/function_space::VelocityFunctionSpace/family",
                       velocity_function_space.family)
    libspud.set_option(
        base + "/function_space::FreeSurfaceFunctionSpace/degree",
        freesurface_function_space.degree)
    libspud.set_option(
        base + "/function_space::FreeSurfaceFunctionSpace/family",
        freesurface_function_space.family)

    # I/O
    base = "/io"
    libspud.set_option(base + "/dump_format", dump_format)
    libspud.set_option(base + "/dump_period", dump_period)

    # Timestepping
    base = "/timestepping"
    print timestep
    libspud.set_option(base + "/current_time", current_time)
    try:
        libspud.set_option(base + "/timestep", timestep)
    except:
        pass
    libspud.set_option(base + "/finish_time", finish_time)

    ## Steady-state
    if (steady_state):
        libspud.set_option(base + "/steady_state/tolerance", steady_state)

    # Gravity
    libspud.set_option("/physical_parameters/gravity/magnitude", g_magnitude)

    # System/Core Fields: Velocity
    base = "/system/core_fields/vector_field::Velocity"

    ## Initial condition
    if (isinstance(velocity_initial_condition, str)):
        libspud.set_option(base + "/initial_condition/python",
                           velocity_initial_condition)
    else:
        libspud.set_option(base + "/initial_condition/constant",
                           velocity_initial_condition)

    ## Boundary conditions
    try:
        for i in range(len(velocity_bcs)):
            libspud.set_option(
                base +
                "/boundary_condition::%s/surface_ids" % velocity_bcs[i].name,
                velocity_bcs[i].surface_ids)
            libspud.set_option_attribute(
                base +
                "/boundary_condition::%s/type/name" % velocity_bcs[i].name,
                velocity_bcs[i].type)

            if (velocity_bcs[i].type == "dirichlet"):
                if (isinstance(velocity_bcs[i].value, str)):
                    libspud.set_option(
                        base +
                        "/boundary_condition::%s/type::dirichlet/value/python"
                        % velocity_bcs[i].name, velocity_bcs[i].value)
                else:
                    libspud.set_option(
                        base +
                        "/boundary_condition::%s/type::dirichlet/value/constant"
                        % velocity_bcs[i].name, velocity_bcs[i].value)
    except:
        pass

    # System/Core Fields: FreeSurfacePerturbation
    base = "/system/core_fields/scalar_field::FreeSurfacePerturbation"

    #FIXME: Pressure initial and boundary conditions are multiplied by 'g' in Fluidity, but not in Firedrake-Fluids.
    ## Initial condition
    if (isinstance(pressure_initial_condition, str)):
        libspud.set_option(base + "/initial_condition/python",
                           pressure_initial_condition)
    else:
        libspud.set_option(base + "/initial_condition/constant",
                           pressure_initial_condition)

    ## Boundary conditions
    try:
        for i in range(len(pressure_bcs)):
            libspud.set_option(
                base +
                "/boundary_condition::%s/surface_ids" % pressure_bcs[i].name,
                pressure_bcs[i].surface_ids)
            libspud.set_option(
                base +
                "/boundary_condition::%s/type/name" % pressure_bcs[i].name,
                pressure_bcs[i].type)

            if (pressure_bcs[i].type == "dirichlet"):
                if (isinstance(pressure_bcs[i].value, str)):
                    libspud.set_option(
                        base +
                        "/boundary_condition::%s/type::dirichlet/value/python"
                        % pressure_bcs[i].name, pressure_bcs[i].value)
                else:
                    libspud.set_option(
                        base +
                        "/boundary_condition::%s/type::dirichlet/value/constant"
                        % pressure_bcs[i].name, pressure_bcs[i].value)
    except:
        pass

    # System/Core Fields: FreeSurfaceMean
    base = "/system/core_fields/scalar_field::FreeSurfaceMean"
    if (isinstance(depth, str)):
        libspud.set_option(base + "/value/python", depth)
    else:
        libspud.set_option(base + "/value/constant", depth)

    # Equations: Continuity equation
    base = "/system/equations/continuity_equation"
    libspud.set_option(base + "/integrate_by_parts", integrate_by_parts)

    ## Source term
    if (continuity_source is not None):
        if (isinstance(continuity_source, str)):
            libspud.set_option(
                base + "/source_term/scalar_field::Source/value/python",
                continuity_source)
        else:
            libspud.set_option(
                base + "/source_term/scalar_field::Source/value/constant",
                continuity_source)

    # Equations: Momentum equation
    base = "/system/equations/momentum_equation"

    ## Viscosity
    if (viscosity is not None):
        if (isinstance(viscosity, str)):
            libspud.set_option(
                base + "/stress_term/scalar_field::Viscosity/value/python",
                viscosity)
        else:
            libspud.set_option(
                base + "/stress_term/scalar_field::Viscosity/value/constant",
                viscosity)

    ## Bottom drag
    if (bottom_drag is not None):
        if (isinstance(bottom_drag, str)):
            libspud.set_option(
                base +
                "/drag_term/scalar_field::BottomDragCoefficient/value/python",
                bottom_drag)
        else:
            libspud.set_option(
                base +
                "/drag_term/scalar_field::BottomDragCoefficient/value/constant",
                bottom_drag)

    ## Source term
    if (momentum_source is not None):
        if (isinstance(momentum_source, str)):
            libspud.set_option(
                base + "/source_term/vector_field::Source/value/python",
                momentum_source)
        else:
            libspud.set_option(
                base + "/source_term/vector_field::Source/value/constant",
                momentum_source)

    # Write all the applied options to file.
    libspud.write_options(ff_options_file_path)

    return
import libspud

libspud.load_options('test.flml')

#libspud.print_options()

assert libspud.get_option('/timestepping/timestep') == 0.025

assert libspud.get_number_of_children('/geometry') == 5
assert libspud.get_child_name('geometry', 0) == "dimension"

assert libspud.option_count('/problem_type') == 1
assert libspud.have_option('/problem_type')

assert libspud.get_option_type('/geometry/dimension') is int
assert libspud.get_option_type('/problem_type') is str

assert libspud.get_option_rank('/geometry/dimension') == 0
assert libspud.get_option_rank(
    '/physical_parameters/gravity/vector_field::GravityDirection/prescribed/value/constant'
) == 1

assert libspud.get_option_shape('/geometry/dimension') == (-1, -1)
assert libspud.get_option_shape('/problem_type')[0] > 1
assert libspud.get_option_shape('/problem_type')[1] == -1

assert libspud.get_option('/problem_type') == "multimaterial"
assert libspud.get_option('/geometry/dimension') == 2
libspud.set_option('/geometry/dimension', 3)

assert libspud.get_option('/geometry/dimension') == 3
Пример #15
0
 def _children(self, path, test):
     for i in range(libspud.get_number_of_children(path)):
         child = libspud.get_child_name(path,i)
         if test(child):
             yield child
Пример #16
0
def post_init(model, xml_path):

    model.start_time = get_optional('time_options/start_time', default=0.0)
    if libspud.have_option('time_options/adaptive_timestep'):
        option_path = 'time_options/adaptive_timestep/'
        model.adapt_timestep = True
        model.adapt_cfl = project(Constant(
            libspud.get_option(option_path + 'cfl_criteria')),
                                  model.R,
                                  name='cfl')
    else:
        model.adapt_timestep = False
        model.adapt_cfl = project(Constant(0.2), model.R, name='cfl')

    # ts info options
    if libspud.have_option('output_options/ts_info'):
        model.ts_info = True
    else:
        model.ts_info = False

    # plotting options
    option_path = 'output_options/plotting/'
    if libspud.have_option('output_options/plotting'):
        model.plot = libspud.get_option(option_path + 'plotting_interval')
        if libspud.have_option(option_path + 'output::both'):
            model.show_plot = True
            model.save_plot = True
        elif libspud.have_option(option_path + 'output::live_plotting'):
            model.show_plot = True
            model.save_plot = False
        elif libspud.have_option(option_path + 'output::save_plots'):
            model.show_plot = False
            model.save_plot = True
        else:
            raise Exception('unrecognised plotting output in options file')
        option_path = option_path + 'dimensionalise_plots/'
    else:
        model.plot = None

    # dimenionalisation
    model.g = project(Constant(
        get_optional(option_path + 'g_prime', default=1.0)),
                      model.R,
                      name='g_prime')
    model.h_0 = project(Constant(get_optional(option_path + 'h_0',
                                              default=1.0)),
                        model.R,
                        name='h_0')
    model.phi_0 = project(Constant(
        get_optional(option_path + 'phi_0', default=1.0)),
                          model.R,
                          name='phi_0')

    # non dimensional numbers
    option_path = 'non_dimensional_numbers/'
    model.Fr = project(Constant(get_optional(option_path + 'Fr',
                                             default=1.19)),
                       model.R,
                       name="Fr")
    model.beta = project(Constant(
        get_optional(option_path + 'beta', default=5e-3)),
                         model.R,
                         name="beta")

    # initial conditions
    model.form_ic = (
        {
            'id': 'momentum',
            'function': Function(model.V, name='ic_q'),
            'test_function': TestFunction(model.V)
        },
        {
            'id': 'height',
            'function': Function(model.V, name='ic_h'),
            'test_function': TestFunction(model.V)
        },
        {
            'id': 'volume_fraction',
            'function': Function(model.V, name='ic_phi'),
            'test_function': TestFunction(model.V)
        },
        {
            'id': 'deposit_depth',
            'function': Function(model.V, name='ic_phi_d'),
            'test_function': TestFunction(model.V)
        },
        {
            'id': 'initial_length',
            'function': Function(model.R, name='ic_X_n'),
            'test_function': TestFunction(model.R)
        },
        {
            'id': 'front_velocity',
            'function': Function(model.R, name='ic_u_N'),
            'test_function': TestFunction(model.R)
        },
        {
            'id': 'timestep',
            'function': Function(model.R, name='ic_k'),
            'test_function': TestFunction(model.R)
        },
        {
            'id': 'phi_int',
            'function': Function(model.R, name='ic_phi_int'),
            'test_function': TestFunction(model.R)
        },
    )

    option_path = 'initial_conditions/'
    var_paths = 'momentum', 'height', 'volume_fraction', 'deposit_depth', \
        'initial_length', 'front_velocity', 'timestep'

    # form defines ic
    for i, var_path in enumerate(var_paths):
        path = option_path + var_path + '/form'
        if libspud.have_option(path):
            if libspud.have_option(path + '/additional_form_var'):
                for j in range(
                        libspud.option_count(path +
                                             '/additional_form_var/var')):
                    py_code = libspud.get_option(
                        path + '/additional_form_var/var[%d]' % j)
                    exec py_code
            py_code = "model.form_ic[%d]['form'] = %s" % (
                i, libspud.get_option(path))
            exec py_code

    # expression defined ic
    model.w_ic_var = ''
    if (libspud.have_option(option_path + 'variables')
            and libspud.option_count(option_path + 'variables/var') > 0):
        n_var = libspud.option_count(option_path + 'variables/var')
        for i_var in range(n_var):
            name = libspud.get_child_name(option_path + 'variables/', i_var)
            var = name.split(':')[-1]
            code = libspud.get_option('initial_conditions/variables/' + name +
                                      '/code')
            model.w_ic_var = model.w_ic_var + var + ' = ' + code + ', '
    ic_exp = (read_ic(option_path + 'momentum', default='0.0'),
              read_ic(option_path + 'height', default='1.0'),
              read_ic(option_path + 'volume_fraction', default='1.0'),
              read_ic(option_path + 'deposit_depth', default='0.0'),
              read_ic(option_path + 'initial_length', default='1.0'),
              read_ic(option_path + 'front_velocity', default='1.19'),
              read_ic(option_path + 'timestep', default='1.0'), '0.0')
    exp_str = ('model.w_ic_e = Expression(ic_exp, model.W.ufl_element(), %s)' %
               model.w_ic_var)
    exec exp_str in globals(), locals()
Пример #17
0
import libspud

libspud.load_options('test.flml')

#libspud.print_options()

assert libspud.get_option('/timestepping/timestep') == 0.025

assert libspud.get_number_of_children('/geometry') == 5
assert libspud.get_child_name('geometry', 0) == "dimension"

assert libspud.option_count('/problem_type') == 1
assert libspud.have_option('/problem_type')

assert libspud.get_option_type('/geometry/dimension') is int
assert libspud.get_option_type('/problem_type') is str

assert libspud.get_option_rank('/geometry/dimension') == 0
assert libspud.get_option_rank('/physical_parameters/gravity/vector_field::GravityDirection/prescribed/value/constant') == 1

assert libspud.get_option_shape('/geometry/dimension') == (-1, -1)
assert libspud.get_option_shape('/problem_type')[0] > 1
assert libspud.get_option_shape('/problem_type')[1] == -1

assert libspud.get_option('/problem_type') == "multimaterial"
assert libspud.get_option('/geometry/dimension') == 2
libspud.set_option('/geometry/dimension', 3)


assert libspud.get_option('/geometry/dimension') == 3