def Initialize(self,meshing_parameters,domain_size):
print("::[Meshing Strategy]:: -START-")
#parameters
self.mesh_id = meshing_parameters.GetMeshId()
#meshing parameters
self.MeshingParameters = meshing_parameters
meshing_options = KratosMultiphysics.Flags()
meshing_options.Set(KratosPfemBase.ModelerUtilities.REMESH, self.settings["remesh"].GetBool())
meshing_options.Set(KratosPfemBase.ModelerUtilities.REFINE, self.settings["refine"].GetBool())
meshing_options.Set(KratosPfemBase.ModelerUtilities.RECONNECT, self.settings["reconnect"].GetBool())
meshing_options.Set(KratosPfemBase.ModelerUtilities.TRANSFER, self.settings["transfer"].GetBool())
meshing_options.Set(KratosPfemBase.ModelerUtilities.CONSTRAINED, self.settings["constrained"].GetBool())
meshing_options.Set(KratosPfemBase.ModelerUtilities.MESH_SMOOTHING, self.settings["mesh_smoothing"].GetBool())
meshing_options.Set(KratosPfemBase.ModelerUtilities.VARIABLES_SMOOTHING, self.settings["variables_smoothing"].GetBool())
self.MeshingParameters.SetOptions(meshing_options)
self.MeshingParameters.SetReferenceElement(self.settings["reference_element_type"].GetString())
self.MeshingParameters.SetReferenceCondition(self.settings["reference_condition_type"].GetString())
#set variables to global transfer
self.MeshDataTransfer = KratosPfemBase.MeshDataTransferUtilities()
self.TransferParameters = KratosPfemBase.TransferParameters()
self.global_transfer = False
if( self.settings["variables_smoothing"].GetBool() == True ):
self.global_transfer = True
transfer_variables = self.settings["elemental_variables_to_smooth"]
#for variable in transfer_variables:
# self.TransferParameters.SetVariable( KratosMultiphysics.KratosGlobals.GetVariable( variable.GetString() ) )
for i in range(0, transfer_variables.size() ):
self.TransferParameters.SetVariable(KratosMultiphysics.KratosGlobals.GetVariable(transfer_variables[i].GetString()))
#mesh modelers for the current strategy
self.mesh_modelers = []
#configure meshers:
self.SetMeshModelers();
self.model_part = self.main_model_part
if( self.main_model_part.Name != self.MeshingParameters.GetSubModelPartName() ):
self.model_part = self.main_model_part.GetSubModelPart(self.MeshingParameters.GetSubModelPartName())
for mesher in self.mesh_modelers:
mesher.SetEchoLevel(self.echo_level)
mesher.Initialize(domain_size)
self.number_of_nodes = 0
self.number_of_elements = 0
self.number_of_conditions = 0
print("::[Meshing Strategy]:: -END-")
def BuildMeshModelersNEW(self, meshing_domains ):
if(self.remesh_domains):
self.modeler_active = True
# set mesing domains
self.meshing_domains = meshing_domains
# set modeler utilities
self.modeler_utils = KratosPfemBase.ModelerUtilities()
# set transfer utilities
self.transfer_utils = KratosPfemBase.MeshDataTransferUtilities()
# set the domain labels to mesh modeler
self.modeler_utils.SetDomainLabels(self.model_part)
def Initialize(self, meshing_parameters, domain_size):
#parameters
self.mesh_id = meshing_parameters.GetMeshId()
self.echo_level = 1
#meshing parameters
self.MeshingParameters = meshing_parameters
meshing_options = KratosMultiphysics.Flags()
meshing_options.Set(KratosPfemBase.ModelerUtilities.REMESH,
self.settings["remesh"].GetBool())
meshing_options.Set(KratosPfemBase.ModelerUtilities.CONSTRAINED,
self.settings["constrained"].GetBool())
meshing_options.Set(KratosPfemBase.ModelerUtilities.CONTACT_SEARCH,
True)
self.MeshingParameters.SetOptions(meshing_options)
self.MeshingParameters.SetReferenceCondition(
self.settings["contact_parameters"]
["contact_condition_type"].GetString())
#set contact properties
properties = KratosMultiphysics.Properties(0)
contact_parameters = self.settings["contact_parameters"]
#build friction law :: pass it as a property parameter
friction_law_module = contact_parameters["kratos_module"].GetString()
friction_law_type_name = contact_parameters[
"friction_law_type"].GetString()
#import module if not previously imported
module = __import__(friction_law_module)
module_name = (friction_law_module.split("."))[-1]
FrictionLaw = getattr(getattr(module, module_name),
friction_law_type_name)
friction_law = FrictionLaw()
#properties have not python interface for this variable type
#properties.SetValue( KratosContact.FRICTION_LAW, friction_law.Clone() )
#properties.SetValue(KratosContact.FRICTION_LAW_NAME, friction_law_type_name )
properties.SetValue(
KratosMultiphysics.KratosGlobals.GetVariable("FRICTION_LAW_NAME"),
friction_law_type_name)
contact_variables = contact_parameters["variables_of_properties"]
#iterators of a json list are not working right now :: must be done by hand:
properties.SetValue(
KratosMultiphysics.KratosGlobals.GetVariable("FRICTION_ACTIVE"),
contact_variables["FRICTION_ACTIVE"].GetBool())
properties.SetValue(
KratosMultiphysics.KratosGlobals.GetVariable("MU_STATIC"),
contact_variables["MU_STATIC"].GetDouble())
properties.SetValue(
KratosMultiphysics.KratosGlobals.GetVariable("MU_DYNAMIC"),
contact_variables["MU_DYNAMIC"].GetDouble())
properties.SetValue(
KratosMultiphysics.KratosGlobals.GetVariable("PENALTY_PARAMETER"),
contact_variables["PENALTY_PARAMETER"].GetDouble())
properties.SetValue(
KratosMultiphysics.KratosGlobals.GetVariable(
"TANGENTIAL_PENALTY_RATIO"),
contact_variables["TANGENTIAL_PENALTY_RATIO"].GetDouble())
properties.SetValue(
KratosMultiphysics.KratosGlobals.GetVariable("TAU_STAB"),
contact_variables["TAU_STAB"].GetDouble())
self.MeshingParameters.SetProperties(properties)
#set variables to global transfer
self.MeshDataTransfer = KratosPfemBase.MeshDataTransferUtilities()
self.TransferParameters = KratosPfemBase.TransferParameters()
self.global_transfer = False
#mesh modelers for the current strategy
self.mesh_modelers = []
#configure meshers:
self.SetMeshModelers()
for mesher in self.mesh_modelers:
mesher.Initialize(domain_size)
self.number_of_nodes = 0
self.number_of_elements = 0
self.number_of_conditions = 0
# prepare model conditions to recieve data
transfer_parameters = self.MeshingParameters.GetTransferParameters()
transfer_options = transfer_parameters.GetOptions()
if (self.main_model_part.ProcessInfo[KratosMultiphysics.IS_RESTARTED]
== False):
transfer_options.Set(
KratosPfemBase.MeshDataTransferUtilities.
INITIALIZE_MASTER_CONDITION, True)
transfer_parameters.SetOptions(transfer_options)
self.MeshDataTransfer.TransferBoundaryData(transfer_parameters,
self.main_model_part,
self.mesh_id)
# set flags for the transfer needed for the contact domain
transfer_options.Set(
KratosPfemBase.MeshDataTransferUtilities.
INITIALIZE_MASTER_CONDITION, False)
transfer_options.Set(
KratosPfemBase.MeshDataTransferUtilities.
MASTER_ELEMENT_TO_MASTER_CONDITION, True)
transfer_parameters.SetOptions(transfer_options)
