def __post_process(self):
from gid_output_process import GiDOutputProcess
self.gid_output = GiDOutputProcess(
self.main_model_part, "gid_output",
KM.Parameters("""
{
"result_file_configuration" : {
"gidpost_flags": {
"GiDPostMode": "GiD_PostBinary",
"WriteDeformedMeshFlag": "WriteUndeformed",
"MultiFileFlag": "SingleFile"
},
"nodal_results" : ["NORMAL","DISPLACEMENT","VELOCITY","ACCELERATION"],
"nodal_nonhistorical_results": ["DELTA_COORDINATES","AUXILIAR_COORDINATES","NORMAL_GAP"],
"nodal_flags_results": ["ACTIVE","SLAVE","MASTER"]
}
}
"""))
self.gid_output.ExecuteInitialize()
self.gid_output.ExecuteBeforeSolutionLoop()
self.gid_output.ExecuteInitializeSolutionStep()
self.gid_output.PrintOutput()
self.gid_output.ExecuteFinalizeSolutionStep()
self.gid_output.ExecuteFinalize()
def __post_process(self):
from gid_output_process import GiDOutputProcess
self.gid_output = GiDOutputProcess(
self.main_model_part, "gid_output",
KratosMultiphysics.Parameters("""
{
"result_file_configuration" : {
"gidpost_flags": {
"GiDPostMode": "GiD_PostBinary",
"WriteDeformedMeshFlag": "WriteUndeformed",
"WriteConditionsFlag": "WriteConditionsOnly",
"MultiFileFlag": "SingleFile"
},
"nodal_results" : ["NORMAL"],
"nodal_nonhistorical_results": [],
"nodal_flags_results": ["ACTIVE","SLAVE"]
}
}
"""))
self.gid_output.ExecuteInitialize()
self.gid_output.ExecuteBeforeSolutionLoop()
self.gid_output.ExecuteInitializeSolutionStep()
self.gid_output.PrintOutput()
self.gid_output.ExecuteFinalizeSolutionStep()
self.gid_output.ExecuteFinalize()
def __post_process(self, main_model_part):
from gid_output_process import GiDOutputProcess
self.gid_output = GiDOutputProcess(
main_model_part, "gid_output",
KratosMultiphysics.Parameters("""
{
"result_file_configuration" : {
"gidpost_flags": {
"GiDPostMode": "GiD_PostBinary",
"WriteDeformedMeshFlag": "WriteUndeformed",
"WriteConditionsFlag": "WriteConditions",
"MultiFileFlag": "SingleFile"
},
"nodal_results" : ["DISPLACEMENT"],
"gauss_point_results" : []
}
}
"""))
self.gid_output.ExecuteInitialize()
self.gid_output.ExecuteBeforeSolutionLoop()
self.gid_output.ExecuteInitializeSolutionStep()
self.gid_output.PrintOutput()
self.gid_output.ExecuteFinalizeSolutionStep()
self.gid_output.ExecuteFinalize()
def SetFluidProblem(self):
## Set the current mesh case problem info
if (self.problem_type == "analytical_solution"):
self.ProjectParameters["problem_data"]["problem_name"].SetString(
self.input_file_name + "_manufactured")
else:
self.ProjectParameters["problem_data"]["problem_name"].SetString(
self.input_file_name)
self.ProjectParameters["solver_settings"]["model_import_settings"][
"input_filename"].SetString(self.input_file_name)
## Solver construction
import python_solvers_wrapper_fluid
self.solver = python_solvers_wrapper_fluid.CreateSolver(
self.model, self.ProjectParameters)
self.solver.AddVariables()
## Read the model - note that SetBufferSize is done here
self.solver.ImportModelPart()
self.solver.PrepareModelPart()
self.main_model_part = self.model.GetModelPart(
self.ProjectParameters["problem_data"]
["model_part_name"].GetString())
## Add AddDofs
self.solver.AddDofs()
## Initialize GiD I/O
if (self.print_output):
from gid_output_process import GiDOutputProcess
self.gid_output = GiDOutputProcess(
self.solver.GetComputingModelPart(),
self.ProjectParameters["problem_data"]
["problem_name"].GetString(),
self.ProjectParameters["output_configuration"])
self.gid_output.ExecuteInitialize()
## Solver initialization
self.solver.Initialize()
## Compute and set the nodal area
self.SetNodalArea()
## Set the distance to 1 to have full fluid elements
if (self.ProjectParameters["solver_settings"]
["solver_type"].GetString() == "Embedded"):
for node in self.main_model_part.Nodes:
node.SetSolutionStepValue(KratosMultiphysics.DISTANCE, 0, 1.0)
## Fix the pressure in one node (bottom left corner)
for node in self.main_model_part.Nodes:
if ((node.X < 0.001) and (node.Y < 0.001)):
node.Fix(KratosMultiphysics.PRESSURE)
node.SetSolutionStepValue(KratosMultiphysics.PRESSURE, 0, 0.0)
def initializeGIDOutput( self ):
computing_model_part = CSM_solver.GetComputingModelPart()
problem_name = ProjectParameters["problem_data"]["problem_name"].GetString()
from gid_output_process import GiDOutputProcess
output_settings = ProjectParameters["output_configuration"]
self.gid_output = GiDOutputProcess(computing_model_part, problem_name, output_settings)
self.gid_output.ExecuteInitialize()
def __init__(self, ProjectParameters):
self.ProjectParameters = ProjectParameters
self.main_model_part = KratosMultiphysics.ModelPart(ProjectParameters["problem_data"]["model_part_name"].GetString())
self.main_model_part.ProcessInfo.SetValue(KratosMultiphysics.DOMAIN_SIZE, ProjectParameters["problem_data"]["domain_size"].GetInt())
Model = {ProjectParameters["problem_data"]["model_part_name"].GetString() : self.main_model_part}
## Solver construction
import python_solvers_wrapper_fluid
self.solver = python_solvers_wrapper_fluid.CreateSolver(self.main_model_part, ProjectParameters)
self.solver.AddVariables()
## Read the model - note that SetBufferSize is done here
self.solver.ImportModelPart()
## Add AddDofs
self.solver.AddDofs()
## Initialize GiD I/O
self.output_flag = False
if (self.output_flag == True):
from gid_output_process import GiDOutputProcess
self.gid_output = GiDOutputProcess(self.solver.GetComputingModelPart(),
ProjectParameters["problem_data"]["problem_name"].GetString() ,
ProjectParameters["output_configuration"])
self.gid_output.ExecuteInitialize()
## Solver initialization
self.solver.Initialize()
## Get the list of the skin submodel parts in the object Model
for i in range(ProjectParameters["solver_settings"]["skin_parts"].size()):
skin_part_name = ProjectParameters["solver_settings"]["skin_parts"][i].GetString()
Model.update({skin_part_name: self.main_model_part.GetSubModelPart(skin_part_name)})
## Get the gravity submodel part in the object Model
for i in range(ProjectParameters["gravity"].size()):
gravity_part_name = ProjectParameters["gravity"][i]["Parameters"]["model_part_name"].GetString()
Model.update({gravity_part_name: self.main_model_part.GetSubModelPart(gravity_part_name)})
## Processes construction
import process_factory
self.list_of_processes = process_factory.KratosProcessFactory(Model).ConstructListOfProcesses( ProjectParameters["gravity"] )
self.list_of_processes += process_factory.KratosProcessFactory(Model).ConstructListOfProcesses( ProjectParameters["boundary_conditions_process_list"] )
## Processes initialization
for process in self.list_of_processes:
process.ExecuteInitialize()
def __WriteOutput(self, model_part, output_file):
gid_output = GiDOutputProcess(
model_part, output_file,
KratosMultiphysics.Parameters("""
{
"result_file_configuration": {
"gidpost_flags": {
"GiDPostMode": "GiD_PostAscii",
"WriteDeformedMeshFlag": "WriteUndeformed",
"WriteConditionsFlag": "WriteConditions",
"MultiFileFlag": "SingleFile"
},
"file_label": "time",
"output_control_type": "step",
"output_frequency": 1.0,
"body_output": true,
"node_output": false,
"skin_output": false,
"plane_output": [],
"nodal_results": ["DISPLACEMENT","VISCOSITY"],
"nodal_nonhistorical_results": [],
"nodal_flags_results": [],
"gauss_point_results": [],
"additional_list_files": []
}
}
"""))
gid_output.ExecuteInitialize()
gid_output.ExecuteBeforeSolutionLoop()
gid_output.ExecuteInitializeSolutionStep()
gid_output.PrintOutput()
gid_output.ExecuteFinalizeSolutionStep()
gid_output.ExecuteFinalize()
def OutputResults(model_part, file_name):
output_parameters = Parameters("""
{
"result_file_configuration" : {
"gidpost_flags" : {
"GiDPostMode" : "GiD_PostBinary",
"WriteDeformedMeshFlag" : "WriteDeformed",
"WriteConditionsFlag" : "WriteConditions",
"MultiFileFlag" : "SingleFile"
},
"file_label" : "step",
"output_control_type" : "step",
"output_frequency" : 1,
"nodal_results" : ["CONTROL_POINT_UPDATE","CONTROL_POINT_CHANGE","SHAPE_UPDATE","PRESSURE","AIR_PRESSURE","WATER_PRESSURE"]
},
"point_data_configuration" : []
}""")
gid_output_original = GiDOutputProcess(model_part, file_name,
output_parameters)
gid_output_original.ExecuteInitialize()
gid_output_original.ExecuteBeforeSolutionLoop()
gid_output_original.ExecuteInitializeSolutionStep()
gid_output_original.PrintOutput()
gid_output_original.ExecuteFinalizeSolutionStep()
gid_output_original.ExecuteFinalize()
def _CreateGidControlOutput(self, output_name):
for element in self._GetSolver().main_model_part.Elements:
element.Set(KratosMultiphysics.INLET, False)
if element.IsNot(KratosMultiphysics.ACTIVE):
element.Set(KratosMultiphysics.INLET, True)
element.Set(KratosMultiphysics.ACTIVE, True)
from gid_output_process import GiDOutputProcess
gid_output = GiDOutputProcess(
self._GetSolver().main_model_part, output_name,
KratosMultiphysics.Parameters("""
{
"result_file_configuration" : {
"gidpost_flags": {
"GiDPostMode": "GiD_PostBinary",
"MultiFileFlag": "SingleFile"
},
"nodal_results" : ["VELOCITY_POTENTIAL","AUXILIARY_VELOCITY_POTENTIAL"],
"nodal_nonhistorical_results": ["METRIC_TENSOR_2D","TEMPERATURE","DISTANCE","TRAILING_EDGE"],
"gauss_point_results" : ["PRESSURE_COEFFICIENT","VELOCITY","WAKE","KUTTA"],
"nodal_flags_results": [],
"elemental_conditional_flags_results": ["TO_SPLIT","THERMAL","STRUCTURE"]
}
}
"""))
gid_output.ExecuteInitialize()
gid_output.ExecuteBeforeSolutionLoop()
gid_output.ExecuteInitializeSolutionStep()
gid_output.PrintOutput()
gid_output.ExecuteFinalizeSolutionStep()
gid_output.ExecuteFinalize()
for element in self._GetSolver().main_model_part.Elements:
if element.Is(KratosMultiphysics.INLET):
element.Set(KratosMultiphysics.ACTIVE, False)
def _post_process(self, model_part):
from gid_output_process import GiDOutputProcess
gid_output = GiDOutputProcess(model_part,
"gid_output",
KratosMultiphysics.Parameters("""
{
"result_file_configuration" : {
"gidpost_flags": {
"GiDPostMode": "GiD_PostBinary",
"WriteDeformedMeshFlag": "WriteUndeformed",
"WriteConditionsFlag": "WriteConditions",
"MultiFileFlag": "SingleFile"
},
"nodal_flags_results" : ["INTERFACE","ACTIVE"]
}
}
""")
)
gid_output.ExecuteInitialize()
gid_output.ExecuteBeforeSolutionLoop()
gid_output.ExecuteInitializeSolutionStep()
gid_output.PrintOutput()
gid_output.ExecuteFinalizeSolutionStep()
gid_output.ExecuteFinalize()
def __CreateGiDIO(self):
gid_config = self.output_settings["output_format"]["gid_parameters"]
results_directory = self.output_settings["output_directory"].GetString(
)
design_history_file_path = results_directory + "/" + self.design_history_filename
if self.write_design_surface:
self.gid_io = GiDOutputProcess(self.design_surface,
design_history_file_path,
gid_config)
elif self.write_optimization_model_part:
self.gid_io = GiDOutputProcess(self.optimization_model_part,
design_history_file_path,
gid_config)
def __CreateGiDIO(self):
self.__ModifySettingsToMatchDefaultGiDOutputProcess()
GidConfig = self.OutputSettings["output_format"]["gid_configuration"]
ResultsDirectory = self.OutputSettings["output_directory"].GetString()
DesignHistoryFilename = self.OutputSettings[
"design_history_filename"].GetString()
DesignHistoryFilenameWithPath = ResultsDirectory + "/" + DesignHistoryFilename
if self.WriteDesignSurface:
self.GidIO = GiDOutputProcess(self.DesignSurface,
DesignHistoryFilenameWithPath,
GidConfig)
elif self.WriteOptimizationModelPart:
self.GidIO = GiDOutputProcess(self.OptimizationModelPart,
DesignHistoryFilenameWithPath,
GidConfig)
def SetGraphicalOutput(self):
if (self.ProjectParameters.Has("output_configuration")):
from gid_output_process import GiDOutputProcess
self.output_settings = self.ProjectParameters[
"output_configuration"]
return GiDOutputProcess(self.computing_model_part,
self.problem_name, self.output_settings)
else:
return (KratosMultiphysics.Process())
def __CreateGiDIO(self):
self.__ModifySettingsToMatchDefaultGiDOutputProcess()
gid_config = self.output_settings["output_format"]["gid_configuration"]
results_directory = self.output_settings["output_directory"].GetString(
)
design_history_filename = self.output_settings[
"design_history_filename"].GetString()
design_history_filename_with_path = results_directory + "/" + design_history_filename
if self.write_design_surface:
self.gid_io = GiDOutputProcess(self.design_surface,
design_history_filename_with_path,
gid_config)
elif self.write_optimization_model_part:
self.gid_io = GiDOutputProcess(self.optimization_model_part,
design_history_filename_with_path,
gid_config)
def __post_process(self, debug="GiD"):
if debug == "GiD":
from gid_output_process import GiDOutputProcess
self.gid_output = GiDOutputProcess(
self.main_model_part, "gid_output",
KratosMultiphysics.Parameters("""
{
"result_file_configuration" : {
"gidpost_flags": {
"GiDPostMode": "GiD_PostBinary",
"WriteDeformedMeshFlag": "WriteUndeformed",
"WriteConditionsFlag": "WriteConditionsOnly",
"MultiFileFlag": "SingleFile"
},
"nodal_results" : ["DISPLACEMENT","NORMAL","TEMPERATURE"],
"nodal_nonhistorical_results": ["NODAL_AREA","NODAL_MAUX","NODAL_VAUX"]
}
}
"""))
self.gid_output.ExecuteInitialize()
self.gid_output.ExecuteBeforeSolutionLoop()
self.gid_output.ExecuteInitializeSolutionStep()
self.gid_output.PrintOutput()
self.gid_output.ExecuteFinalizeSolutionStep()
self.gid_output.ExecuteFinalize()
elif debug == "VTK":
from vtk_output_process import VtkOutputProcess
self.vtk_output_process = VtkOutputProcess(
self.model,
KratosMultiphysics.Parameters("""{
"model_part_name" : "Main",
"nodal_solution_step_data_variables" : ["DISPLACEMENT","NORMAL","TEMPERATURE"],
"nodal_data_value_variables": ["NODAL_AREA","NODAL_MAUX","NODAL_VAUX"]
}
"""))
self.vtk_output_process.ExecuteInitialize()
self.vtk_output_process.ExecuteBeforeSolutionLoop()
self.vtk_output_process.ExecuteInitializeSolutionStep()
self.vtk_output_process.PrintOutput()
self.vtk_output_process.ExecuteFinalizeSolutionStep()
self.vtk_output_process.ExecuteFinalize()
def __VisualizeWake(self):
# To visualize the wake
number_of_nodes = self.fluid_model_part.NumberOfNodes()
number_of_elements = self.fluid_model_part.NumberOfElements()
node_id = number_of_nodes + 1
for node in self.wake_model_part.Nodes:
node.Id = node_id
node.SetValue(KratosMultiphysics.REACTION_WATER_PRESSURE, 1.0)
node_id += 1
counter = number_of_elements + 1
for elem in self.wake_model_part.Elements:
elem.Id = counter
counter += 1
from gid_output_process import GiDOutputProcess
output_file = "representation_of_wake"
gid_output = GiDOutputProcess(
self.wake_model_part, output_file,
KratosMultiphysics.Parameters("""
{
"result_file_configuration": {
"gidpost_flags": {
"GiDPostMode": "GiD_PostAscii",
"WriteDeformedMeshFlag": "WriteUndeformed",
"WriteConditionsFlag": "WriteConditions",
"MultiFileFlag": "SingleFile"
},
"file_label": "time",
"output_control_type": "step",
"output_frequency": 1.0,
"body_output": true,
"node_output": false,
"skin_output": false,
"plane_output": [],
"nodal_results": [],
"nodal_nonhistorical_results": ["REACTION_WATER_PRESSURE"],
"nodal_flags_results": [],
"gauss_point_results": [],
"additional_list_files": []
}
}
"""))
gid_output.ExecuteInitialize()
gid_output.ExecuteBeforeSolutionLoop()
gid_output.ExecuteInitializeSolutionStep()
gid_output.PrintOutput()
gid_output.ExecuteFinalizeSolutionStep()
gid_output.ExecuteFinalize()
def OutputModelPart(output_mdpa, output_filename, nodal_results):
output_parameters = KM.Parameters(
""" { "result_file_configuration" : { "nodal_results" : [] } }""")
for entry in nodal_results:
output_parameters["result_file_configuration"]["nodal_results"].Append(
entry)
gid_output_original = GiDOutputProcess(output_mdpa, output_filename,
output_parameters)
gid_output_original.ExecuteInitialize()
gid_output_original.ExecuteBeforeSolutionLoop()
gid_output_original.ExecuteInitializeSolutionStep()
gid_output_original.PrintOutput()
gid_output_original.ExecuteFinalizeSolutionStep()
gid_output_original.ExecuteFinalize()
def _create_post_process(main_model_part, constitutive_law_type):
from gid_output_process import GiDOutputProcess
gid_output = GiDOutputProcess(
main_model_part, "gid_output_" + constitutive_law_type,
KratosMultiphysics.Parameters("""
{
"result_file_configuration" : {
"gidpost_flags": {
"GiDPostMode": "GiD_PostBinary",
"WriteDeformedMeshFlag": "WriteUndeformed",
"WriteConditionsFlag": "WriteConditions",
"MultiFileFlag": "SingleFile"
},
"nodal_results" : ["DISPLACEMENT"],
"gauss_point_results" : ["VON_MISES_STRESS","GREEN_LAGRANGE_STRAIN_VECTOR","PK2_STRESS_VECTOR","PLASTIC_DISSIPATION","PLASTIC_STRAIN","EQUIVALENT_PLASTIC_STRAIN","PLASTIC_STRAIN_VECTOR","UNIAXIAL_STRESS"]
}
}
"""))
gid_output.ExecuteInitialize()
gid_output.ExecuteBeforeSolutionLoop()
gid_output.ExecuteInitializeSolutionStep()
return gid_output
def _SetUpGiDOutput(self):
'''Initialize self.output as a GiD output instance.'''
self.have_output = self.ProjectParameters.Has("output_configuration")
if self.have_output:
if self.parallel_type == "OpenMP":
from gid_output_process import GiDOutputProcess as OutputProcess
elif self.parallel_type == "MPI":
from gid_output_process_mpi import GiDOutputProcessMPI as OutputProcess
self.output = OutputProcess(
self.main_model_part, self.ProjectParameters["problem_data"]
["problem_name"].GetString(),
self.ProjectParameters["output_configuration"])
self.output.ExecuteInitialize()
def ExecuteInitialize(self):
GiDOutputProcess.ExecuteInitialize(self)
# Set current time parameters
if (self.model_part.ProcessInfo[IS_RESTARTED] == True):
self.step_count = self.model_part.ProcessInfo[STEP]
self.printed_step_count = self.model_part.ProcessInfo[PRINTED_STEP]
if self.output_control_is_time:
self.next_output = self.model_part.ProcessInfo[TIME]
else:
self.next_output = self.model_part.ProcessInfo[STEP]
else:
self.next_output = 0
self.next_output += self.output_frequency
class TestDoubleCurvatureIntegration(KratosUnittest.TestCase):
def setUp(self):
pass
def __base_test_integration(self, input_filename, num_nodes):
KratosMultiphysics.Logger.GetDefaultOutput().SetSeverity(
KratosMultiphysics.Logger.Severity.WARNING)
self.main_model_part = KratosMultiphysics.ModelPart("Structure")
self.main_model_part.SetBufferSize(2)
self.main_model_part.AddNodalSolutionStepVariable(
KratosMultiphysics.DISPLACEMENT)
self.main_model_part.AddNodalSolutionStepVariable(
KratosMultiphysics.VELOCITY)
self.main_model_part.AddNodalSolutionStepVariable(
KratosMultiphysics.ACCELERATION)
self.main_model_part.AddNodalSolutionStepVariable(
KratosMultiphysics.REACTION)
self.main_model_part.AddNodalSolutionStepVariable(
KratosMultiphysics.NORMAL)
self.main_model_part.AddNodalSolutionStepVariable(
ContactStructuralMechanicsApplication.
LAGRANGE_MULTIPLIER_CONTACT_PRESSURE)
self.main_model_part.AddNodalSolutionStepVariable(
ContactStructuralMechanicsApplication.WEIGHTED_GAP)
self.main_model_part.AddNodalSolutionStepVariable(
KratosMultiphysics.NODAL_H)
KratosMultiphysics.ModelPartIO(input_filename).ReadModelPart(
self.main_model_part)
KratosMultiphysics.VariableUtils().AddDof(
KratosMultiphysics.DISPLACEMENT_X, KratosMultiphysics.REACTION_X,
self.main_model_part)
KratosMultiphysics.VariableUtils().AddDof(
KratosMultiphysics.DISPLACEMENT_Y, KratosMultiphysics.REACTION_Y,
self.main_model_part)
KratosMultiphysics.VariableUtils().AddDof(
KratosMultiphysics.DISPLACEMENT_Z, KratosMultiphysics.REACTION_Z,
self.main_model_part)
KratosMultiphysics.VariableUtils().AddDof(
ContactStructuralMechanicsApplication.
LAGRANGE_MULTIPLIER_CONTACT_PRESSURE,
ContactStructuralMechanicsApplication.WEIGHTED_GAP,
self.main_model_part)
if (self.main_model_part.HasSubModelPart("Contact")):
interface_model_part = self.main_model_part.GetSubModelPart(
"Contact")
else:
interface_model_part = self.main_model_part.CreateSubModelPart(
"Contact")
self.contact_model_part = self.main_model_part.GetSubModelPart(
"DISPLACEMENT_Displacement_Auto2")
for node in self.contact_model_part.Nodes:
node.Set(KratosMultiphysics.SLAVE, False)
del (node)
model_part_slave = self.main_model_part.GetSubModelPart(
"Parts_Parts_Auto1")
for node in model_part_slave.Nodes:
node.Set(KratosMultiphysics.SLAVE, True)
del (node)
for prop in self.main_model_part.GetProperties():
prop[ContactStructuralMechanicsApplication.
INTEGRATION_ORDER_CONTACT] = 3
self.main_model_part.ProcessInfo[
ContactStructuralMechanicsApplication.ACTIVE_CHECK_FACTOR] = 3.0e-1
for node in self.contact_model_part.Nodes:
node.Set(KratosMultiphysics.INTERFACE, True)
Preprocess = ContactStructuralMechanicsApplication.InterfacePreprocessCondition(
self.main_model_part)
interface_parameters = KratosMultiphysics.Parameters(
"""{"simplify_geometry": false}""")
Preprocess.GenerateInterfacePart3D(self.contact_model_part,
interface_parameters)
# We copy the conditions to the ContactSubModelPart
for cond in self.contact_model_part.Conditions:
interface_model_part.AddCondition(cond)
del (cond)
for node in self.contact_model_part.Nodes:
interface_model_part.AddNode(node, 0)
del (node)
# We initialize the conditions
alm_init_var = ContactStructuralMechanicsApplication.ALMFastInit(
self.contact_model_part)
alm_init_var.Execute()
search_parameters = KratosMultiphysics.Parameters("""
{
"search_factor" : 3.5,
"allocation_size" : 1000,
"check_gap" : "NoCheck",
"type_search" : "InRadius"
}
""")
if (num_nodes == 3):
contact_search = ContactStructuralMechanicsApplication.TreeContactSearch3D3N(
self.main_model_part, search_parameters)
else:
contact_search = ContactStructuralMechanicsApplication.TreeContactSearch3D4N(
self.main_model_part, search_parameters)
# We initialize the search utility
contact_search.CreatePointListMortar()
contact_search.InitializeMortarConditions()
contact_search.UpdateMortarConditions()
if (num_nodes == 3):
## DEBUG
#print(self.main_model_part)
#self.__post_process()
self.exact_integration = KratosMultiphysics.ExactMortarIntegrationUtility3D3N(
3)
else:
## DEBUG
#print(self.main_model_part)
#self.__post_process()
self.exact_integration = KratosMultiphysics.ExactMortarIntegrationUtility3D4N(
3)
def _double_curvature_tests(self, input_filename, num_nodes,
list_of_border_cond):
self.__base_test_integration(input_filename, num_nodes)
#print("Solution obtained")
tolerance = 5.0e-3
for cond in self.contact_model_part.Conditions:
if cond.Is(KratosMultiphysics.SLAVE):
to_test = (cond.Id in list_of_border_cond)
if (to_test == False):
area = self.exact_integration.TestGetExactAreaIntegration(
self.main_model_part, cond)
condition_area = cond.GetArea()
check_value = abs((area - condition_area) / condition_area)
if (check_value > tolerance):
print(cond.Id, "\t", area, "\t", condition_area, "\t",
self.__sci_str(check_value))
else:
self.assertLess(check_value, tolerance)
def _moving_nodes_tests(self, input_filename, num_nodes):
self.__base_test_integration(input_filename, num_nodes)
for iter in range(1):
delta_disp = 1.0e-6
for node in self.main_model_part.GetSubModelPart(
"GroupPositiveX").Nodes:
node.X += delta_disp
del (node)
for node in self.main_model_part.GetSubModelPart(
"GroupPositiveY").Nodes:
node.Y += delta_disp
del (node)
for node in self.main_model_part.GetSubModelPart(
"GroupNegativeX").Nodes:
node.X -= delta_disp
del (node)
for node in self.main_model_part.GetSubModelPart(
"GroupNegativeY").Nodes:
node.Y -= delta_disp
del (node)
#print("Solution obtained")
tolerance = 5.0e-5
for cond in self.contact_model_part.Conditions:
if cond.Is(KratosMultiphysics.SLAVE):
area = self.exact_integration.TestGetExactAreaIntegration(
self.contact_model_part, cond)
condition_area = cond.GetArea()
check_value = abs((area - condition_area) / condition_area)
if (check_value > tolerance):
print(cond.Id, "\t", area, "\t", condition_area, "\t",
self.__sci_str(check_value))
else:
self.assertLess(check_value, tolerance)
def test_double_curvature_integration_triangle(self):
input_filename = os.path.dirname(
os.path.realpath(__file__)
) + "/integration_tests/test_double_curvature_integration_triangle"
# These conditions are in the border, and can not be integrated 100% accurate
list_of_border_cond = [
1262, 1263, 1264, 1265, 1269, 1270, 1273, 1275, 1278, 1282, 1284,
1285, 1286, 1288, 1290, 1291, 1292, 1294, 1295, 1297, 1298, 1302,
1303, 1305, 1306, 1307, 1310, 1313, 1314, 1318, 1319, 1320, 1323,
1325, 1327, 1328, 1329, 1331, 1336, 1337, 1338, 1340, 1341, 1342,
1343, 1344, 1346, 1347, 1348, 1349, 1350, 1353, 1355, 1357, 1359,
1360, 1366, 1367, 1368, 1369, 1370, 1377, 1378, 1379, 1381, 1382,
1384, 1385, 1387, 1393, 1394, 1395, 1399, 1400, 1406, 1410, 1411,
1412, 1414, 1415, 1418, 1419, 1420, 1424, 1427, 1429, 1431, 1436,
1438, 1444, 1446, 1447, 1448, 1449, 1459, 1462, 1463, 1465, 1467,
1468, 1474, 1477, 1479, 1485, 1491, 1493, 1507, 1515, 1517, 1531,
1537, 1539, 1547, 1549, 1553, 1563, 1569, 1575, 1623, 1640, 1644,
1654, 1656, 1663, 1667, 1675, 1685, 1687, 1693, 1697, 1703, 1707,
1713, 1715, 1717, 1719, 1721, 1723, 1725
]
self._double_curvature_tests(input_filename, 3, list_of_border_cond)
def test_double_curvature_integration_quad(self):
input_filename = os.path.dirname(
os.path.realpath(__file__)
) + "/integration_tests/test_double_curvature_integration_quadrilateral"
# These conditions are in the border, and can not be integrated 100% accurate
list_of_border_cond = [
916, 917, 919, 920, 923, 925, 927, 929, 933, 934, 938, 940, 941,
944, 945, 946, 949, 951, 954, 955, 962, 963, 965, 966, 967, 968,
969, 970, 971, 973, 974, 977, 978, 979, 980, 981, 982, 983, 984,
985, 986, 988, 989, 990, 995, 996, 1000, 1003, 1005, 1007, 1008,
1011, 1012, 1013, 1014, 1015, 1016, 1017, 1018, 1019, 1020, 1021,
1022, 1023, 1024, 1041, 1042, 1043, 1044, 1045, 1046, 1047, 1048,
1049, 1050, 1051, 1052, 1053, 1054, 1055, 1058, 1060, 1064, 1066,
1069, 1070, 1071, 1072, 1073, 1074, 1075, 1076
]
self._double_curvature_tests(input_filename, 4, list_of_border_cond)
def test_moving_mesh_integration_quad(self):
input_filename = os.path.dirname(os.path.realpath(
__file__)) + "/integration_tests/quadrilaterals_moving_nodes"
self._moving_nodes_tests(input_filename, 4)
def test_integration_quad_non_matching(self):
input_filename = os.path.dirname(os.path.realpath(
__file__)) + "/integration_tests/quadrilaterals_non_matching"
list_of_border_cond = []
self._double_curvature_tests(input_filename, 4, list_of_border_cond)
def __post_process(self):
from gid_output_process import GiDOutputProcess
self.gid_output = GiDOutputProcess(
self.main_model_part, "gid_output",
KratosMultiphysics.Parameters("""
{
"result_file_configuration" : {
"gidpost_flags": {
"GiDPostMode": "GiD_PostBinary",
"WriteDeformedMeshFlag": "WriteUndeformed",
"WriteConditionsFlag": "WriteConditionsOnly",
"MultiFileFlag": "SingleFile"
},
"nodal_results" : ["NORMAL"],
"nodal_nonhistorical_results": [],
"nodal_flags_results": ["ACTIVE","SLAVE"]
}
}
"""))
self.gid_output.ExecuteInitialize()
self.gid_output.ExecuteBeforeSolutionLoop()
self.gid_output.ExecuteInitializeSolutionStep()
self.gid_output.PrintOutput()
self.gid_output.ExecuteFinalizeSolutionStep()
self.gid_output.ExecuteFinalize()
def __sci_str(self, x):
from decimal import Decimal
s = 10 * Decimal(str(x))
s = ('{:.' + str(len(s.normalize().as_tuple().digits) - 1) +
'E}').format(s)
s = s.replace('E+', 'D0')
s = s.replace('E-', 'D0-')
s = s.replace('.', '')
if s.startswith('-'):
return '-.' + s[1:]
else:
return '.' + s
# Set TIME and DELTA_TIME and fill the previous steps of the buffer with the initial conditions
time = time - (buffer_size - 1) * delta_time
main_model_part.ProcessInfo.SetValue(KratosMultiphysics.TIME, time)
for step in range(buffer_size - 1):
time = time + delta_time
main_model_part.CloneTimeStep(time)
# Initialize GiD I/O
computing_model_part = solver.GetComputingModelPart()
output_settings = ProjectParameters["output_configuration"]
if parallel_type == "OpenMP":
import poromechanics_cleaning_utility
poromechanics_cleaning_utility.CleanPreviousFiles(
problem_path) # Clean previous post files
from gid_output_process import GiDOutputProcess
gid_output = GiDOutputProcess(computing_model_part, problem_name,
output_settings)
else:
from gid_output_process_mpi import GiDOutputProcessMPI
gid_output = GiDOutputProcessMPI(computing_model_part, problem_name,
output_settings)
gid_output.ExecuteInitialize()
# Initialize the solver
solver.Initialize()
# ExecuteBeforeSolutionLoop
for process in list_of_processes:
process.ExecuteBeforeSolutionLoop()
## Set results when they are written in a single file
gid_output.ExecuteBeforeSolutionLoop()
class kratosCSMAnalyzer((__import__("analyzer_base")).analyzerBaseClass):
# --------------------------------------------------------------------------
def __init__(self):
self.initializeGIDOutput()
self.initializeProcesses()
self.initializeSolutionLoop()
# --------------------------------------------------------------------------
def initializeProcesses(self):
import process_factory
#the process order of execution is important
self.list_of_processes = process_factory.KratosProcessFactory(
Model).ConstructListOfProcesses(
ProjectParameters["constraints_process_list"])
self.list_of_processes += process_factory.KratosProcessFactory(
Model).ConstructListOfProcesses(
ProjectParameters["loads_process_list"])
if (ProjectParameters.Has("problem_process_list")):
self.list_of_processes += process_factory.KratosProcessFactory(
Model).ConstructListOfProcesses(
ProjectParameters["problem_process_list"])
if (ProjectParameters.Has("output_process_list")):
self.list_of_processes += process_factory.KratosProcessFactory(
Model).ConstructListOfProcesses(
ProjectParameters["output_process_list"])
#print list of constructed processes
if (echo_level > 1):
for process in self.list_of_processes:
print(process)
for process in self.list_of_processes:
process.ExecuteInitialize()
# --------------------------------------------------------------------------
def initializeGIDOutput(self):
computing_model_part = CSM_solver.GetComputingModelPart()
problem_name = ProjectParameters["problem_data"][
"problem_name"].GetString()
from gid_output_process import GiDOutputProcess
output_settings = ProjectParameters["output_configuration"]
self.gid_output = GiDOutputProcess(computing_model_part, problem_name,
output_settings)
self.gid_output.ExecuteInitialize()
# --------------------------------------------------------------------------
def initializeSolutionLoop(self):
## Sets strategies, builders, linear solvers, schemes and solving info, and fills the buffer
CSM_solver.Initialize()
CSM_solver.SetEchoLevel(echo_level)
mesh_solver.Initialize()
mesh_solver.SetEchoLevel(echo_level)
for responseFunctionId in listOfResponseFunctions:
listOfResponseFunctions[responseFunctionId].Initialize()
# Start process
for process in self.list_of_processes:
process.ExecuteBeforeSolutionLoop()
## Set results when are written in a single file
self.gid_output.ExecuteBeforeSolutionLoop()
# --------------------------------------------------------------------------
def analyzeDesignAndReportToCommunicator(self, currentDesign,
optimizationIteration,
communicator):
# Calculation of value of objective function
if communicator.isRequestingFunctionValueOf("strain_energy"):
self.initializeNewSolutionStep(optimizationIteration)
print("\n> Starting ALEApplication to update the mesh")
startTime = timer.time()
self.updateMeshForAnalysis()
print("> Time needed for updating the mesh = ",
round(timer.time() - startTime, 2), "s")
print(
"\n> Starting StructuralMechanicsApplication to solve structure"
)
startTime = timer.time()
self.solveStructure(optimizationIteration)
print("> Time needed for solving the structure = ",
round(timer.time() - startTime, 2), "s")
print("\n> Starting calculation of strain energy")
startTime = timer.time()
listOfResponseFunctions["strain_energy"].CalculateValue()
print("> Time needed for calculation of strain energy = ",
round(timer.time() - startTime, 2), "s")
communicator.reportFunctionValue(
"strain_energy",
listOfResponseFunctions["strain_energy"].GetValue())
# Calculation of value of constraint function
if communicator.isRequestingFunctionValueOf("mass"):
print("\n> Starting calculation of value of mass constraint")
listOfResponseFunctions["mass"].CalculateValue()
constraintFunctionValue = listOfResponseFunctions["mass"].GetValue(
) - listOfResponseFunctions["mass"].GetInitialValue()
print(
"> Time needed for calculation of value of mass constraint = ",
round(timer.time() - startTime, 2), "s")
communicator.reportFunctionValue("mass", constraintFunctionValue)
communicator.setFunctionReferenceValue(
"mass", listOfResponseFunctions["mass"].GetInitialValue())
# Calculation of gradients of objective function
if communicator.isRequestingGradientOf("strain_energy"):
print("\n> Starting calculation of gradient of objective function")
startTime = timer.time()
listOfResponseFunctions["strain_energy"].CalculateGradient()
print(
"> Time needed for calculating gradient of objective function = ",
round(timer.time() - startTime, 2), "s")
gradientForCompleteModelPart = listOfResponseFunctions[
"strain_energy"].GetGradient()
gradientOnDesignSurface = {}
for node in currentDesign.Nodes:
gradientOnDesignSurface[
node.Id] = gradientForCompleteModelPart[node.Id]
# If contribution from mesh-motion to gradient shall be considered
# self.computeAndAddMeshDerivativesToGradient(gradientOnDesignSurface, gradientForCompleteModelPart)
communicator.reportGradient("strain_energy",
gradientOnDesignSurface)
# Calculation of gradients of constraint function
if communicator.isRequestingGradientOf("mass"):
print(
"\n> Starting calculation of gradient of constraint function")
startTime = timer.time()
listOfResponseFunctions["mass"].CalculateGradient()
print(
"> Time needed for calculating gradient of constraint function = ",
round(timer.time() - startTime, 2), "s")
gradientForCompleteModelPart = listOfResponseFunctions[
"mass"].GetGradient()
gradientOnDesignSurface = {}
for node in currentDesign.Nodes:
gradientOnDesignSurface[
node.Id] = gradientForCompleteModelPart[node.Id]
communicator.reportGradient("mass", gradientOnDesignSurface)
# --------------------------------------------------------------------------
def initializeNewSolutionStep(self, optimizationIteration):
main_model_part.CloneTimeStep(optimizationIteration)
# --------------------------------------------------------------------------
def updateMeshForAnalysis(self):
# Extract surface nodes
sub_model_part_name = "surface_nodes"
GeometryUtilities(main_model_part).ExtractSurfaceNodes(
sub_model_part_name)
# Apply shape update as boundary condition for computation of mesh displacement
for node in main_model_part.GetSubModelPart(sub_model_part_name).Nodes:
node.Fix(MESH_DISPLACEMENT_X)
node.Fix(MESH_DISPLACEMENT_Y)
node.Fix(MESH_DISPLACEMENT_Z)
disp = Vector(3)
disp[0] = node.GetSolutionStepValue(SHAPE_UPDATE_X)
disp[1] = node.GetSolutionStepValue(SHAPE_UPDATE_Y)
disp[2] = node.GetSolutionStepValue(SHAPE_UPDATE_Z)
node.SetSolutionStepValue(MESH_DISPLACEMENT, 0, disp)
# Solve for mesh-update
mesh_solver.Solve()
# Update reference mesh (Since shape updates are imposed as incremental quantities)
mesh_solver.get_mesh_motion_solver().UpdateReferenceMesh()
# Log absolute mesh displacement
for node in main_model_part.Nodes:
mesh_change = Vector(3)
mesh_change[0] = node.GetSolutionStepValue(
MESH_CHANGE_X) + node.GetSolutionStepValue(MESH_DISPLACEMENT_X)
mesh_change[1] = node.GetSolutionStepValue(
MESH_CHANGE_Y) + node.GetSolutionStepValue(MESH_DISPLACEMENT_Y)
mesh_change[2] = node.GetSolutionStepValue(
MESH_CHANGE_Z) + node.GetSolutionStepValue(MESH_DISPLACEMENT_Z)
node.SetSolutionStepValue(MESH_CHANGE, 0, mesh_change)
# --------------------------------------------------------------------------
def solveStructure(self, optimizationIteration):
# processes to be executed at the begining of the solution step
for process in self.list_of_processes:
process.ExecuteInitializeSolutionStep()
self.gid_output.ExecuteInitializeSolutionStep()
# Actual solution
CSM_solver.Solve()
# processes to be executed at the end of the solution step
for process in self.list_of_processes:
process.ExecuteFinalizeSolutionStep()
# processes to be executed before witting the output
for process in self.list_of_processes:
process.ExecuteBeforeOutputStep()
# write output results GiD: (frequency writing is controlled internally)
if (self.gid_output.IsOutputStep()):
self.gid_output.PrintOutput()
self.gid_output.ExecuteFinalizeSolutionStep()
# processes to be executed after witting the output
for process in self.list_of_processes:
process.ExecuteAfterOutputStep()
# --------------------------------------------------------------------------
def computeAndAddMeshDerivativesToGradient(self, gradientOnDesignSurface,
gradientForCompleteModelPart):
# Here we solve the pseudo-elastic mesh-motion system again using modified BCs
# The contributions from the mesh derivatives appear as reaction forces
for node in main_model_part.Nodes:
# Apply dirichlet conditions
if node.Id in gradientOnDesignSurface.keys():
node.Fix(MESH_DISPLACEMENT_X)
node.Fix(MESH_DISPLACEMENT_Y)
node.Fix(MESH_DISPLACEMENT_Z)
xs = Vector(3)
xs[0] = 0.0
xs[1] = 0.0
xs[2] = 0.0
node.SetSolutionStepValue(MESH_DISPLACEMENT, 0, xs)
# Apply RHS conditions
else:
rhs = Vector(3)
rhs[0] = gradientForCompleteModelPart[node.Id][0]
rhs[1] = gradientForCompleteModelPart[node.Id][1]
rhs[2] = gradientForCompleteModelPart[node.Id][2]
node.SetSolutionStepValue(MESH_RHS, 0, rhs)
# Solve mesh-motion problem with previously modified BCs
mesh_solver.Solve()
# Compute and add gradient contribution from mesh motion
for node_id in gradientOnDesignSurface.keys():
node = main_model_part.Nodes[node_id]
sens_contribution = Vector(3)
sens_contribution = node.GetSolutionStepValue(MESH_REACTION)
gradientOnDesignSurface[
node.Id] = gradientOnDesignSurface[node_id] + sens_contribution
# --------------------------------------------------------------------------
def finalizeSolutionLoop(self):
for process in self.list_of_processes:
process.ExecuteFinalize()
self.gid_output.ExecuteFinalize()
def GenereateNewModelPart(self, old_main_model_part, solver,
list_of_processes, gid_output):
### Finalize Old Model ---------------------------------------------------------------------------------------
# Finalizing output files
gid_output.ExecuteFinalize()
for process in list_of_processes:
process.ExecuteFinalize()
# Finalizing strategy
solver.Clear()
# Save old .post.list file
all_list_filename = str(self.problem_name) + "_all.post.lst"
all_list_file = open(all_list_filename, 'a')
partial_list_filename = str(self.problem_name) + ".post.lst"
with open(partial_list_filename) as partial_list_file:
next(partial_list_file)
for line in partial_list_file:
all_list_file.write(line)
all_list_file.close()
# Save old .time file
original_filename = str(self.problem_name) + ".time"
original_filepath = os.path.join(str(self.problem_path),
str(original_filename))
new_filename = str(self.problem_name) + "_" + str(
self.remesh_count) + "info.time"
new_filepath = os.path.join(str(self.problem_path), str(new_filename))
shutil.copy(str(original_filepath), str(new_filepath))
### Generate New Model ---------------------------------------------------------------------------------------
# Parsing the parameters
with open("ProjectParameters.json", 'r') as parameter_file:
ProjectParameters = KratosMultiphysics.Parameters(
parameter_file.read())
## Model part ------------------------------------------------------------------------------------------------
# Defining the model part
self.model_part_number = self.model_part_number + 1
new_model_part_name = str(self.original_model_part_name) + '_' + str(
self.model_part_number)
new_model_part = self.model.CreateModelPart(new_model_part_name, 2)
new_model_part.ProcessInfo.SetValue(KratosMultiphysics.DOMAIN_SIZE,
self.domain_size)
new_model_part.ProcessInfo.SetValue(
KratosMultiphysics.DELTA_TIME,
old_main_model_part.ProcessInfo[KratosMultiphysics.DELTA_TIME])
new_model_part.ProcessInfo.SetValue(
KratosPoro.TIME_UNIT_CONVERTER,
old_main_model_part.ProcessInfo[KratosPoro.TIME_UNIT_CONVERTER])
# Construct the solver (main setting methods are located in the solver_module)
solver_module = __import__(
ProjectParameters["solver_settings"]["solver_type"].GetString())
solver = solver_module.CreateSolver(
new_model_part, ProjectParameters["solver_settings"])
# Add problem variables
solver.AddVariables()
# Read model_part (note: the buffer_size is set here)
solver.ImportModelPart()
# Add degrees of freedom
solver.AddDofs()
# Print model_part
echo_level = ProjectParameters["solver_settings"]["echo_level"].GetInt(
)
if (echo_level > 1):
print(new_model_part)
## Initialize ------------------------------------------------------------------------------------------------
# Construct processes to be applied
import process_factory
list_of_processes = process_factory.KratosProcessFactory(
PoroModel).ConstructListOfProcesses(
ProjectParameters["constraints_process_list"])
list_of_processes += process_factory.KratosProcessFactory(
PoroModel).ConstructListOfProcesses(
ProjectParameters["loads_process_list"])
# Initialize processes
for process in list_of_processes:
process.ExecuteInitialize()
# Set TIME
new_model_part.ProcessInfo.SetValue(
KratosMultiphysics.TIME,
old_main_model_part.ProcessInfo[KratosMultiphysics.TIME])
# Initialize GiD I/O
computing_model_part = solver.GetComputingModelPart()
output_settings = ProjectParameters["output_configuration"]
from gid_output_process import GiDOutputProcess
gid_output = GiDOutputProcess(computing_model_part, self.problem_name,
output_settings)
gid_output.ExecuteInitialize()
# Initialize the solver
solver.Initialize()
# Initialize the strategy before the mapping
solver.InitializeStrategy()
# ExecuteBeforeSolutionLoop
for process in list_of_processes:
process.ExecuteBeforeSolutionLoop()
## Set results when they are written in a single file (only multiplefiles for the moment)
gid_output.ExecuteBeforeSolutionLoop()
### Mapping between old and new model parts ------------------------------------------------------------------
self.PropagationUtility.MappingModelParts(self.FracturesData,
old_main_model_part,
new_model_part,
self.move_mesh_flag)
# set ARC_LENGTH_LAMBDA and ARC_LENGTH_RADIUS_FACTOR and update loads
if ProjectParameters["solver_settings"]["strategy_type"].GetString(
) == "arc_length":
new_model_part.ProcessInfo.SetValue(
KratosPoro.ARC_LENGTH_LAMBDA,
old_main_model_part.ProcessInfo[KratosPoro.ARC_LENGTH_LAMBDA])
new_model_part.ProcessInfo.SetValue(
KratosPoro.ARC_LENGTH_RADIUS_FACTOR,
old_main_model_part.ProcessInfo[
KratosPoro.ARC_LENGTH_RADIUS_FACTOR])
solver._UpdateLoads()
# delete old model_part
old_model_part_number = self.model_part_number - 1
old_model_part_name = str(
self.original_model_part_name) + '_' + str(old_model_part_number)
self.model.DeleteModelPart(old_model_part_name)
# Check new mesh
#IsConverged = solver._CheckConvergence()
return new_model_part, solver, list_of_processes, gid_output
class kratosCSMAnalyzer((__import__("analyzer_base")).analyzerBaseClass):
# --------------------------------------------------------------------------
def __init__(self):
self.initializeGIDOutput()
self.initializeProcesses()
self.initializeSolutionLoop()
# --------------------------------------------------------------------------
def initializeProcesses(self):
import process_factory
#the process order of execution is important
self.list_of_processes = process_factory.KratosProcessFactory(
Model).ConstructListOfProcesses(
ProjectParameters["constraints_process_list"])
self.list_of_processes += process_factory.KratosProcessFactory(
Model).ConstructListOfProcesses(
ProjectParameters["loads_process_list"])
if (ProjectParameters.Has("problem_process_list")):
self.list_of_processes += process_factory.KratosProcessFactory(
Model).ConstructListOfProcesses(
ProjectParameters["problem_process_list"])
if (ProjectParameters.Has("output_process_list")):
self.list_of_processes += process_factory.KratosProcessFactory(
Model).ConstructListOfProcesses(
ProjectParameters["output_process_list"])
#print list of constructed processes
if (echo_level > 1):
for process in self.list_of_processes:
print(process)
for process in self.list_of_processes:
process.ExecuteInitialize()
# --------------------------------------------------------------------------
def initializeGIDOutput(self):
computing_model_part = CSM_solver.GetComputingModelPart()
problem_name = ProjectParameters["problem_data"][
"problem_name"].GetString()
from gid_output_process import GiDOutputProcess
output_settings = ProjectParameters["output_configuration"]
self.gid_output = GiDOutputProcess(computing_model_part, problem_name,
output_settings)
self.gid_output.ExecuteInitialize()
# --------------------------------------------------------------------------
def initializeSolutionLoop(self):
## Sets strategies, builders, linear solvers, schemes and solving info, and fills the buffer
CSM_solver.Initialize()
CSM_solver.SetEchoLevel(echo_level)
for responseFunctionId in listOfResponseFunctions:
listOfResponseFunctions[responseFunctionId].Initialize()
# Start process
for process in self.list_of_processes:
process.ExecuteBeforeSolutionLoop()
## Set results when are written in a single file
self.gid_output.ExecuteBeforeSolutionLoop()
# --------------------------------------------------------------------------
def analyzeDesignAndReportToCommunicator(self, currentDesign,
optimizationIteration,
communicator):
# Calculation of value of objective function
if communicator.isRequestingFunctionValueOf("strain_energy"):
self.initializeNewSolutionStep(optimizationIteration)
print("\n> Starting to update the mesh")
startTime = timer.time()
self.updateMeshForAnalysis(currentDesign)
print("> Time needed for updating the mesh = ",
round(timer.time() - startTime, 2), "s")
print(
"\n> Starting StructuralMechanicsApplication to solve structure"
)
startTime = timer.time()
self.solveStructure(optimizationIteration)
print("> Time needed for solving the structure = ",
round(timer.time() - startTime, 2), "s")
print("\n> Starting calculation of response value")
startTime = timer.time()
listOfResponseFunctions["strain_energy"].CalculateValue()
print("> Time needed for calculation of response value = ",
round(timer.time() - startTime, 2), "s")
communicator.reportFunctionValue(
"strain_energy",
listOfResponseFunctions["strain_energy"].GetValue())
# Calculation of gradient of objective function
if communicator.isRequestingGradientOf("strain_energy"):
print("\n> Starting calculation of gradients")
startTime = timer.time()
listOfResponseFunctions["strain_energy"].CalculateGradient()
print("> Time needed for calculating gradients = ",
round(timer.time() - startTime, 2), "s")
gradientForCompleteModelPart = listOfResponseFunctions[
"strain_energy"].GetGradient()
gradientOnDesignSurface = {}
for node in currentDesign.Nodes:
gradientOnDesignSurface[
node.Id] = gradientForCompleteModelPart[node.Id]
communicator.reportGradient("strain_energy",
gradientOnDesignSurface)
# --------------------------------------------------------------------------
def initializeNewSolutionStep(self, optimizationIteration):
main_model_part.CloneTimeStep(optimizationIteration)
# --------------------------------------------------------------------------
def updateMeshForAnalysis(self, currentDesign):
for node in currentDesign.Nodes:
node.X0 = node.X0 + node.GetSolutionStepValue(SHAPE_UPDATE_X)
node.Y0 = node.Y0 + node.GetSolutionStepValue(SHAPE_UPDATE_Y)
node.Z0 = node.Z0 + node.GetSolutionStepValue(SHAPE_UPDATE_Z)
# --------------------------------------------------------------------------
def solveStructure(self, optimizationIteration):
# processes to be executed at the begining of the solution step
for process in self.list_of_processes:
process.ExecuteInitializeSolutionStep()
self.gid_output.ExecuteInitializeSolutionStep()
# Actual solution
CSM_solver.Solve()
# processes to be executed at the end of the solution step
for process in self.list_of_processes:
process.ExecuteFinalizeSolutionStep()
# processes to be executed before witting the output
for process in self.list_of_processes:
process.ExecuteBeforeOutputStep()
# write output results GiD: (frequency writing is controlled internally)
if (self.gid_output.IsOutputStep()):
self.gid_output.PrintOutput()
self.gid_output.ExecuteFinalizeSolutionStep()
# processes to be executed after witting the output
for process in self.list_of_processes:
process.ExecuteAfterOutputStep()
# --------------------------------------------------------------------------
def finalizeSolutionLoop(self):
for process in self.list_of_processes:
process.ExecuteFinalize()
self.gid_output.ExecuteFinalize()
def SetGraphicalOutput(self):
from gid_output_process import GiDOutputProcess
self.output_settings = self.ProjectParameters["output_configuration"]
self.graphical_output = GiDOutputProcess(self.computing_model_part,
self.problem_name,
self.output_settings)
class FEM_Solution(MainSolidFEM.Solution):
def Info(self):
KratosMultiphysics.Logger.PrintInfo(
"FEM part of the FEMDEM application")
def KratosPrintInfo(self, message):
KratosMultiphysics.Logger.Print(message, label="")
KratosMultiphysics.Logger.Flush()
#============================================================================================================================
def __init__(self, Model):
#### TIME MONITORING START ####
# Time control starts
self.KratosPrintInfo(timer.ctime())
# Measure process time
self.t0p = timer.clock()
# Measure wall time
self.t0w = timer.time()
#### TIME MONITORING END ####
#### PARSING THE PARAMETERS ####
# Import input
parameter_file = open("ProjectParameters.json", 'r')
self.ProjectParameters = KratosMultiphysics.Parameters(
parameter_file.read())
# set echo level
self.echo_level = self.ProjectParameters["problem_data"][
"echo_level"].GetInt()
self.KratosPrintInfo(" ")
# defining the number of threads:
num_threads = self.GetParallelSize()
self.KratosPrintInfo("::[KSM Simulation]:: [OMP USING " +
str(num_threads) + " THREADS ]")
#parallel.PrintOMPInfo()
#### Model_part settings start ####
# Defining the model_part
self.model = Model
self.model.CreateModelPart(self.ProjectParameters["problem_data"]
["model_part_name"].GetString())
self.main_model_part = self.model.GetModelPart(
self.ProjectParameters["problem_data"]
["model_part_name"].GetString())
if (self.ProjectParameters["solver_settings"]
["solution_type"].GetString() == "Dynamic"):
self.main_model_part.ProcessInfo.SetValue(KratosFemDem.IS_DYNAMIC,
1)
else:
self.main_model_part.ProcessInfo.SetValue(KratosFemDem.IS_DYNAMIC,
0)
self.time_step = self.ComputeDeltaTime()
self.start_time = self.ProjectParameters["problem_data"][
"start_time"].GetDouble()
self.end_time = self.ProjectParameters["problem_data"][
"end_time"].GetDouble()
self.main_model_part.ProcessInfo.SetValue(
KratosMultiphysics.DOMAIN_SIZE,
self.ProjectParameters["problem_data"]["domain_size"].GetInt())
self.main_model_part.ProcessInfo.SetValue(
KratosMultiphysics.DELTA_TIME, self.time_step)
self.main_model_part.ProcessInfo.SetValue(KratosMultiphysics.TIME,
self.start_time)
### replace this "model" for real one once available in kratos core
self.Model = {
self.ProjectParameters["problem_data"]["model_part_name"].GetString(
):
self.main_model_part
}
#construct the solver (main setting methods are located in the solver_module)
solver_module = __import__(self.ProjectParameters["solver_settings"]
["solver_type"].GetString())
self.solver = solver_module.CreateSolver(
self.main_model_part, self.ProjectParameters["solver_settings"])
#### Output settings start ####
self.problem_path = os.getcwd()
self.problem_name = self.ProjectParameters["problem_data"][
"problem_name"].GetString()
#============================================================================================================================
def AddMaterials(self):
# Assign material to model_parts (if Materials.json exists)
import process_factory
if os.path.isfile("Materials.json"):
materials_file = open("Materials.json", 'r')
MaterialParameters = KratosMultiphysics.Parameters(
materials_file.read())
if (MaterialParameters.Has("material_models_list")):
## Get the list of the model_part's in the object Model
for i in range(self.ProjectParameters["solver_settings"]
["problem_domain_sub_model_part_list"].size()):
part_name = self.ProjectParameters["solver_settings"][
"problem_domain_sub_model_part_list"][i].GetString()
if (self.main_model_part.HasSubModelPart(part_name)):
self.Model.update({
part_name:
self.main_model_part.GetSubModelPart(part_name)
})
assign_materials_processes = process_factory.KratosProcessFactory(
self.Model).ConstructListOfProcesses(
MaterialParameters["material_models_list"])
for process in assign_materials_processes:
process.Execute()
else:
self.KratosPrintInfo(" No Materials.json found ")
#============================================================================================================================
def AddProcesses(self):
# Build sub_model_parts or submeshes (rearrange parts for the application of custom processes)
## Get the list of the submodel part in the object Model
for i in range(self.ProjectParameters["solver_settings"]
["processes_sub_model_part_list"].size()):
part_name = self.ProjectParameters["solver_settings"][
"processes_sub_model_part_list"][i].GetString()
if (self.main_model_part.HasSubModelPart(part_name)):
self.Model.update({
part_name:
self.main_model_part.GetSubModelPart(part_name)
})
# Obtain the list of the processes to be applied
import process_handler
process_parameters = KratosMultiphysics.Parameters("{}")
process_parameters.AddValue(
"echo_level", self.ProjectParameters["problem_data"]["echo_level"])
process_parameters.AddValue(
"constraints_process_list",
self.ProjectParameters["constraints_process_list"])
process_parameters.AddValue(
"loads_process_list", self.ProjectParameters["loads_process_list"])
if (self.ProjectParameters.Has("problem_process_list")):
process_parameters.AddValue(
"problem_process_list",
self.ProjectParameters["problem_process_list"])
if (self.ProjectParameters.Has("output_process_list")):
process_parameters.AddValue(
"output_process_list",
self.ProjectParameters["output_process_list"])
return (process_handler.ProcessHandler(self.Model, process_parameters))
#============================================================================================================================
def Run(self):
self.Initialize()
self.RunMainTemporalLoop()
self.Finalize()
#============================================================================================================================
def Initialize(self):
# Add variables (always before importing the model part)
self.solver.AddVariables()
# Read model_part (note: the buffer_size is set here) (restart is read here)
self.solver.ImportModelPart()
# Add dofs (always after importing the model part)
if ((self.main_model_part.ProcessInfo).Has(
KratosMultiphysics.IS_RESTARTED)):
if (self.main_model_part.ProcessInfo[
KratosMultiphysics.IS_RESTARTED] == False):
self.solver.AddDofs()
else:
self.solver.AddDofs()
# Add materials (assign material to model_parts if Materials.json exists)
self.AddMaterials()
# Add processes
self.model_processes = self.AddProcesses()
self.model_processes.ExecuteInitialize()
# Print model_part and properties
if (self.echo_level > 1):
self.KratosPrintInfo("")
self.KratosPrintInfo(self.main_model_part)
for properties in self.main_model_part.Properties:
self.KratosPrintInfo(properties)
#### START SOLUTION ####
self.computing_model_part = self.solver.GetComputingModelPart()
## Sets strategies, builders, linear solvers, schemes and solving info, and fills the buffer
self.solver.Initialize()
self.solver.SetEchoLevel(self.echo_level)
# Initialize GiD I/O (gid outputs, file_lists)
self.SetGraphicalOutput()
self.GraphicalOutputExecuteInitialize()
self.model_processes.ExecuteBeforeSolutionLoop()
self.GraphicalOutputExecuteBeforeSolutionLoop()
# Set time settings
self.step = self.main_model_part.ProcessInfo[KratosMultiphysics.STEP]
self.time = self.main_model_part.ProcessInfo[KratosMultiphysics.TIME]
self.end_time = self.ProjectParameters["problem_data"][
"end_time"].GetDouble()
self.delta_time = self.ProjectParameters["problem_data"][
"time_step"].GetDouble()
#============================================================================================================================
def RunMainTemporalLoop(self):
# Solving the problem (time integration)
while (self.time < self.end_time):
self.InitializeSolutionStep()
self.SolveSolutionStep()
self.FinalizeSolutionStep()
#============================================================================================================================
def InitializeSolutionStep(self):
self.KratosPrintInfo("[STEP: " + str(self.step) + " -- TIME: " +
str(self.time) + " -- TIME_STEP: " +
str(self.delta_time) + "]")
# processes to be executed at the begining of the solution step
self.model_processes.ExecuteInitializeSolutionStep()
self.GraphicalOutputExecuteInitializeSolutionStep()
self.solver.InitializeSolutionStep()
#============================================================================================================================
def SolveSolutionStep(self):
self.clock_time = self.StartTimeMeasuring()
self.solver.Solve()
self.StopTimeMeasuring(self.clock_time, "Solving", False)
#============================================================================================================================
def FinalizeSolutionStep(self):
self.GraphicalOutputExecuteFinalizeSolutionStep()
# processes to be executed at the end of the solution step
self.model_processes.ExecuteFinalizeSolutionStep()
# processes to be executed before witting the output
self.model_processes.ExecuteBeforeOutputStep()
# write output results GiD: (frequency writing is controlled internally)
self.GraphicalOutputPrintOutput()
# processes to be executed after witting the output
self.model_processes.ExecuteAfterOutputStep()
#============================================================================================================================
def Finalize(self):
# Ending the problem (time integration finished)
self.GraphicalOutputExecuteFinalize()
self.model_processes.ExecuteFinalize()
self.KratosPrintInfo(" ")
self.KratosPrintInfo(
"=================================================")
self.KratosPrintInfo(
" - Kratos FemDem Application Calculation End - ")
self.KratosPrintInfo(
"=================================================")
self.KratosPrintInfo(" ")
#### END SOLUTION ####
# Measure process time
tfp = timer.clock()
# Measure wall time
tfw = timer.time()
KratosMultiphysics.Logger.PrintInfo(
"::[KSM Simulation]:: [Elapsed Time = %.2f" % (tfw - self.t0w),
"seconds] (%.2f" % (tfp - self.t0p), "seconds of cpu/s time)")
KratosMultiphysics.Logger.PrintInfo(timer.ctime())
#============================================================================================================================
def SetGraphicalOutput(self):
from gid_output_process import GiDOutputProcess
self.output_settings = self.ProjectParameters["output_configuration"]
self.graphical_output = GiDOutputProcess(self.computing_model_part,
self.problem_name,
self.output_settings)
#============================================================================================================================
def GraphicalOutputExecuteInitialize(self):
self.graphical_output.ExecuteInitialize()
#============================================================================================================================
def GraphicalOutputExecuteBeforeSolutionLoop(self):
# writing a initial state results file or single file (if no restart)
if ((self.main_model_part.ProcessInfo).Has(
KratosMultiphysics.IS_RESTARTED)):
if (self.main_model_part.ProcessInfo[
KratosMultiphysics.IS_RESTARTED] == False):
self.graphical_output.ExecuteBeforeSolutionLoop()
#============================================================================================================================
def GraphicalOutputExecuteInitializeSolutionStep(self):
self.graphical_output.ExecuteInitializeSolutionStep()
#============================================================================================================================
def GraphicalOutputExecuteFinalizeSolutionStep(self):
self.graphical_output.ExecuteFinalizeSolutionStep()
#============================================================================================================================
def GraphicalOutputPrintOutput(self):
if (self.graphical_output.IsOutputStep()):
self.graphical_output.PrintOutput()
#============================================================================================================================
def GraphicalOutputExecuteFinalize(self):
self.graphical_output.ExecuteFinalize()
#============================================================================================================================
def SetParallelSize(self, num_threads):
parallel = KratosMultiphysics.OpenMPUtils()
parallel.SetNumThreads(int(num_threads))
#============================================================================================================================
def GetParallelSize(self):
parallel = KratosMultiphysics.OpenMPUtils()
return parallel.GetNumThreads()
#============================================================================================================================
def StartTimeMeasuring(self):
# Measure process time
time_ip = timer.clock()
return time_ip
#============================================================================================================================
def StopTimeMeasuring(self, time_ip, process, report):
# Measure process time
time_fp = timer.clock()
if (report):
used_time = time_fp - time_ip
print("::[KSM Simulation]:: [ %.2f" % round(used_time, 2), "s",
process, " ] ")
class Kratos_Execute_Test:
def __init__(self, ProjectParameters):
self.ProjectParameters = ProjectParameters
self.main_model_part = ModelPart(self.ProjectParameters["problem_data"]
["model_part_name"].GetString())
self.main_model_part.ProcessInfo.SetValue(
DOMAIN_SIZE,
self.ProjectParameters["problem_data"]["domain_size"].GetInt())
self.Model = {
self.ProjectParameters["problem_data"]["model_part_name"].GetString(
):
self.main_model_part
}
# Construct the solver (main setting methods are located in the solver_module)
solver_module = __import__(self.ProjectParameters["solver_settings"]
["solver_type"].GetString())
self.solver = solver_module.CreateSolver(
self.main_model_part, self.ProjectParameters["solver_settings"])
# Add variables (always before importing the model part) (it must be integrated in the ImportModelPart)
# If we integrate it in the model part we cannot use combined solvers
self.solver.AddVariables()
# Read model_part (note: the buffer_size is set here) (restart can be read here)
self.solver.ImportModelPart()
# Add dofs (always after importing the model part) (it must be integrated in the ImportModelPart)
# If we integrate it in the model part we cannot use combined solvers
self.solver.AddDofs()
# Build sub_model_parts or submeshes (rearrange parts for the application of custom processes)
# #Get the list of the submodel part in the object Model
for i in range(self.ProjectParameters["solver_settings"]
["processes_sub_model_part_list"].size()):
part_name = self.ProjectParameters["solver_settings"][
"processes_sub_model_part_list"][i].GetString()
self.Model.update(
{part_name: self.main_model_part.GetSubModelPart(part_name)})
# Obtain the list of the processes to be applied
self.list_of_processes = process_factory.KratosProcessFactory(
self.Model).ConstructListOfProcesses(
self.ProjectParameters["constraints_process_list"])
self.list_of_processes += process_factory.KratosProcessFactory(
self.Model).ConstructListOfProcesses(
self.ProjectParameters["loads_process_list"])
if (ProjectParameters.Has("list_other_processes") == True):
self.list_of_processes += process_factory.KratosProcessFactory(
self.Model).ConstructListOfProcesses(
self.ProjectParameters["list_other_processes"])
if (ProjectParameters.Has("json_check_process") == True):
self.list_of_processes += process_factory.KratosProcessFactory(
self.Model).ConstructListOfProcesses(
self.ProjectParameters["json_check_process"])
if (ProjectParameters.Has("check_analytic_results_process") == True):
self.list_of_processes += process_factory.KratosProcessFactory(
self.Model).ConstructListOfProcesses(
self.ProjectParameters["check_analytic_results_process"])
if (ProjectParameters.Has("json_output_process") == True):
self.list_of_processes += process_factory.KratosProcessFactory(
self.Model).ConstructListOfProcesses(
self.ProjectParameters["json_output_process"])
for process in self.list_of_processes:
process.ExecuteInitialize()
# ### START SOLUTION ####
self.computing_model_part = self.solver.GetComputingModelPart()
# ### Output settings start ####
self.problem_path = os.getcwd()
self.problem_name = self.ProjectParameters["problem_data"][
"problem_name"].GetString()
# ### Output settings start ####
self.output_post = ProjectParameters.Has("output_configuration")
if (self.output_post == True):
from gid_output_process import GiDOutputProcess
output_settings = ProjectParameters["output_configuration"]
self.gid_output = GiDOutputProcess(self.computing_model_part,
self.problem_name,
output_settings)
self.gid_output.ExecuteInitialize()
# Sets strategies, builders, linear solvers, schemes and solving info, and fills the buffer
self.solver.Initialize()
self.solver.SetEchoLevel(0) # Avoid to print anything
if (self.output_post == True):
self.gid_output.ExecuteBeforeSolutionLoop()
def Solve(self):
for process in self.list_of_processes:
process.ExecuteBeforeSolutionLoop()
# #Stepping and time settings (get from process info or solving info)
# Delta time
delta_time = self.ProjectParameters["problem_data"][
"time_step"].GetDouble()
# Start step
self.main_model_part.ProcessInfo[TIME_STEPS] = 0
# Start time
time = self.ProjectParameters["problem_data"]["start_time"].GetDouble()
# End time
end_time = self.ProjectParameters["problem_data"][
"end_time"].GetDouble()
# Solving the problem (time integration)
while (time <= end_time):
time = time + delta_time
self.main_model_part.ProcessInfo[TIME_STEPS] += 1
self.main_model_part.CloneTimeStep(time)
for process in self.list_of_processes:
process.ExecuteInitializeSolutionStep()
if (self.output_post == True):
self.gid_output.ExecuteInitializeSolutionStep()
self.solver.Solve()
if (self.output_post == True):
self.gid_output.ExecuteFinalizeSolutionStep()
for process in self.list_of_processes:
process.ExecuteFinalizeSolutionStep()
for process in self.list_of_processes:
process.ExecuteBeforeOutputStep()
for process in self.list_of_processes:
process.ExecuteAfterOutputStep()
if (self.output_post == True):
if self.gid_output.IsOutputStep():
self.gid_output.PrintOutput()
if (self.output_post == True):
self.gid_output.ExecuteFinalize()
for process in self.list_of_processes:
process.ExecuteFinalize()
ProjectParameters["solver_settings"]["solver_type"].GetString())
solver = solver_module.CreateSolver(main_model_part,
ProjectParameters["solver_settings"])
solver.AddVariables()
## Read the model - note that SetBufferSize is done here
solver.ImportModelPart()
## Add AddDofs
solver.AddDofs()
## Initialize GiD I/O
from gid_output_process import GiDOutputProcess
gid_output = GiDOutputProcess(
main_model_part,
ProjectParameters["problem_data"]["problem_name"].GetString(),
ProjectParameters["output_configuration"])
gid_output.ExecuteInitialize()
##here all of the allocation of the strategies etc is done
solver.Initialize()
##TODO: replace MODEL for the Kratos one ASAP
## Get the list of the skin submodel parts in the object Model
for i in range(ProjectParameters["solver_settings"]["skin_parts"].size()):
skin_part_name = ProjectParameters["solver_settings"]["skin_parts"][
i].GetString()
Model.update(
{skin_part_name: main_model_part.GetSubModelPart(skin_part_name)})
solver_module = __import__(ProjectParameters["coupling_solver_settings"]["solver_settings"]["solver_type"].GetString())
solver = solver_module.CreateSolver(structure_main_model_part, fluid_main_model_part, ProjectParameters)
solver.AddVariables()
## Read the model - note that SetBufferSize is done here
solver.ImportModelPart()
## Add AddDofs
solver.AddDofs()
## Initialize GiD I/O
if (parallel_type == "OpenMP"):
from gid_output_process import GiDOutputProcess
gid_output_structure = GiDOutputProcess(solver.structure_solver.GetComputingModelPart(),
ProjectParameters["structure_solver_settings"]["problem_data"]["problem_name"].GetString()+"_structure",
ProjectParameters["structure_solver_settings"]["output_configuration"])
gid_output_fluid = GiDOutputProcess(solver.fluid_solver.GetComputingModelPart(),
ProjectParameters["fluid_solver_settings"]["problem_data"]["problem_name"].GetString()+"_fluid",
ProjectParameters["fluid_solver_settings"]["output_configuration"])
elif (parallel_type == "MPI"):
from gid_output_process_mpi import GiDOutputProcessMPI
gid_output_structure = GiDOutputProcessMPI(solver.structure_solver.GetComputingModelPart(),
ProjectParameters["structure_solver_settings"]["problem_data"]["problem_name"].GetString()+"_structure",
ProjectParameters["structure_solver_settings"]["output_configuration"])
gid_output_fluid = GiDOutputProcessMPI(solver.fluid_solver.GetComputingModelPart(),
ProjectParameters["fluid_solver_settings"]["problem_data"]["problem_name"].GetString()+"_fluid",
ProjectParameters["fluid_solver_settings"]["output_configuration"])