model_processes.ExecuteFinalizeSolutionStep()
# processes to be executed before witting the output
model_processes.ExecuteBeforeOutputStep()
# write output results GiD: (frequency writing is controlled internally)
if (gid_output.IsOutputStep()):
gid_output.PrintOutput()
# processes to be executed after witting the output
model_processes.ExecuteAfterOutputStep()
# Ending the problem (time integration finished)
gid_output.ExecuteFinalize()
model_processes.ExecuteFinalize()
print("::[KPFEM Simulation]:: Analysis -END- ")
print(" ")
# Check solving information for any problem
#~ solver.InfoCheck() # InfoCheck not implemented yet.
#### END SOLUTION ####
# Measure process time
tfp = timer.clock()
# Measure wall time
tfw = timer.time()
print("::[KPFEM Simulation]:: [Elapsed Time = %.2f" % (tfw - t0w),
class PfemFluidDynamicsAnalysis(AnalysisStage):
"""The base class for the PfemFluidDynamicsAnalysis
"""
def __init__(self, model, parameters):
"""The constructor of the AnalysisStage-Object.
Keyword arguments:
self -- It signifies an instance of a class.
model -- The Model to be used
parameters -- The ProjectParameters used
"""
self.model = model
#### TIME MONITORING START ####
# Time control starts
self.KratosPrintInfo(timer.ctime())
# Measure process time
self.t0p = timer.process_time()
# Measure wall time
self.t0w = timer.time()
#### TIME MONITORING END ####
#### PARSING THE PARAMETERS ####
#set echo level
self.echo_level = parameters["problem_data"]["echo_level"].GetInt()
# Print solving time
self.report = False
if (self.echo_level > 0):
self.report = True
self.KratosPrintInfo(" ")
# defining the number of threads:
num_threads = parameters["problem_data"]["threads"].GetInt()
self.SetParallelSize(num_threads)
self.KratosPrintInfo("::[KPFEM Simulation]:: [OMP USING" +
str(num_threads) + "THREADS ]")
#parallel.PrintOMPInfo()
self.KratosPrintInfo(" ")
self.KratosPrintInfo("::[KPFEM Simulation]:: [Time Step:" +
str(parameters["solver_settings"]["time_stepping"]
["time_step"].GetDouble()) + " echo:" +
str(self.echo_level) + "]")
#### Model_part settings start ####
super(PfemFluidDynamicsAnalysis, self).__init__(model, parameters)
# Defining the model_part
self.main_model_part = self.model.GetModelPart(
parameters["solver_settings"]["model_part_name"].GetString())
self.main_model_part.ProcessInfo.SetValue(
KratosMultiphysics.SPACE_DIMENSION,
parameters["solver_settings"]["domain_size"].GetInt())
self.main_model_part.ProcessInfo.SetValue(
KratosMultiphysics.DOMAIN_SIZE,
parameters["solver_settings"]["domain_size"].GetInt())
self.main_model_part.ProcessInfo.SetValue(
KratosMultiphysics.DELTA_TIME, parameters["solver_settings"]
["time_stepping"]["time_step"].GetDouble())
self.main_model_part.ProcessInfo.SetValue(
KratosMultiphysics.TIME,
parameters["problem_data"]["start_time"].GetDouble())
if parameters["problem_data"].Has("gravity_vector"):
self.main_model_part.ProcessInfo.SetValue(
KratosMultiphysics.GRAVITY_X,
parameters["problem_data"]["gravity_vector"][0].GetDouble())
self.main_model_part.ProcessInfo.SetValue(
KratosMultiphysics.GRAVITY_Y,
parameters["problem_data"]["gravity_vector"][1].GetDouble())
self.main_model_part.ProcessInfo.SetValue(
KratosMultiphysics.GRAVITY_Z,
parameters["problem_data"]["gravity_vector"][2].GetDouble())
self.problem_path = os.getcwd()
self.problem_name = parameters["problem_data"][
"problem_name"].GetString()
#print model_part and properties
if (self.echo_level > -1):
for properties in self.main_model_part.Properties:
self.KratosPrintInfo(properties)
self.AddPfemVariables()
if parameters["solver_settings"].Has("constitutive_laws_list"):
self.constitutive_laws_names = parameters["solver_settings"][
"constitutive_laws_list"]
self.AddMaterialVariables()
#else:
# self.AddAllMaterialVariables()
def _CreateSolver(self):
"""Create the solver
"""
return solver_wrapper.CreateSolverByParameters(
self.model, self.project_parameters["solver_settings"],
self.project_parameters["problem_data"]
["parallel_type"].GetString())
def Initialize(self):
"""This function initializes the AnalysisStage
Usage: It is designed to be called ONCE, BEFORE the execution of the solution-loop
This function has to be implemented in deriving classes!
"""
# Read model_part from mdpa file
self._solver.ImportModelPart()
# Prepare model_part (note: the buffer_size is set here) (restart is read here)
self._solver.PrepareModelPart()
# Add dofs (always after importing the model part)
self._solver.AddDofs()
#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)
#### Processes settings start ####
# obtain the list of the processes to be applied
from KratosMultiphysics.PfemFluidDynamicsApplication.process_handler import ProcessHandler
process_parameters = KratosMultiphysics.Parameters("{}")
process_parameters.AddValue(
"echo_level",
self.project_parameters["problem_data"]["echo_level"])
if (self.project_parameters.Has("problem_process_list")):
process_parameters.AddValue(
"problem_process_list",
self.project_parameters["problem_process_list"])
self.model_processes = ProcessHandler(self.model, process_parameters)
self.model_processes.ExecuteInitialize()
## here we initialize user-provided processes
order_processes_initialization = self._GetOrderOfProcessesInitialization(
)
self._list_of_processes = self._CreateProcesses(
"processes", order_processes_initialization)
for process in self._GetListOfProcesses():
process.ExecuteInitialize()
#### processes settings end ####
#### START SOLUTION ####
self.computing_model_part = self._solver.GetComputingModelPart()
self.graphical_output = self.SetGraphicalOutput()
## Sets strategies, builders, linear solvers, schemes and solving info, and fills the buffer
self._solver.Initialize()
self._solver.InitializeStrategy()
self._solver.SetEchoLevel(self.echo_level)
# Initialize GiD I/O (gid outputs, file_lists)
self.GraphicalOutputExecuteInitialize()
self.KratosPrintInfo(" ")
self.KratosPrintInfo("::[KPFEM Simulation]:: Analysis -START- ")
self.model_processes.ExecuteBeforeSolutionLoop()
for process in self._GetListOfProcesses():
process.ExecuteBeforeSolutionLoop()
self.GraphicalOutputExecuteBeforeSolutionLoop()
# write output results GiD: (frequency writing is controlled internally)
self.GraphicalOutputPrintOutput()
# 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.project_parameters["problem_data"][
"end_time"].GetDouble()
self.delta_time = self.project_parameters["solver_settings"][
"time_stepping"]["time_step"].GetDouble()
def InitializeSolutionStep(self):
"""This function performs all the required operations that should be executed
(for each step) BEFORE solving the solution step.
"""
self.clock_time = self.StartTimeMeasuring()
# processes to be executed at the begining of the solution step
self.model_processes.ExecuteInitializeSolutionStep()
for process in self._GetListOfProcesses():
process.ExecuteInitializeSolutionStep()
self.GraphicalOutputExecuteInitializeSolutionStep()
# solve time step
self._solver.InitializeSolutionStep()
self.StopTimeMeasuring(self.clock_time, "Initialize Step", self.report)
def FinalizeSolutionStep(self):
"""This function performs all the required operations that should be executed
(for each step) AFTER solving the solution step.
"""
self.clock_time = self.StartTimeMeasuring()
self._GetSolver().FinalizeSolutionStep()
self.GraphicalOutputExecuteFinalizeSolutionStep()
# processes to be executed at the end of the solution step
self.model_processes.ExecuteFinalizeSolutionStep()
for process in self._GetListOfProcesses():
process.ExecuteFinalizeSolutionStep()
self.model_processes.ExecuteBeforeOutputStep()
for process in self._GetListOfProcesses():
process.ExecuteBeforeOutputStep()
# write output results GiD: (frequency writing is controlled internally)
self.GraphicalOutputPrintOutput()
# processes to be executed after witting the output
self.model_processes.ExecuteAfterOutputStep()
for process in self._GetListOfProcesses():
process.ExecuteAfterOutputStep()
self.StopTimeMeasuring(self.clock_time, "Finalize Step", self.report)
def OutputSolutionStep(self):
"""This function printed / writes output files after the solution of a step
"""
pass
def Finalize(self):
"""This function finalizes the AnalysisStage
Usage: It is designed to be called ONCE, AFTER the execution of the solution-loop
"""
# Ending the problem (time integration finished)
self.GraphicalOutputExecuteFinalize()
self.model_processes.ExecuteFinalize()
for process in self._GetListOfProcesses():
process.ExecuteFinalize()
self.KratosPrintInfo("::[KPFEM Simulation]:: Analysis -END- ")
self.KratosPrintInfo(" ")
#### END SOLUTION ####
# Measure process time
tfp = timer.process_time()
# Measure wall time
tfw = timer.time()
print("::[KPFEM Simulation]:: [Elapsed Time = %.2f" % (tfw - self.t0w),
"seconds] (%.2f" % (tfp - self.t0p), "seconds of cpu/s time)")
self.KratosPrintInfo(timer.ctime())
def SetGraphicalOutput(self):
"""This function sets the settings for the graphical
output
"""
if (self.project_parameters.Has("output_configuration")):
from KratosMultiphysics.PfemFluidDynamicsApplication.pfem_fluid_gid_output_process import GiDOutputProcess
self.output_settings = self.project_parameters[
"output_configuration"]
self.post_process_model_part = self.model.CreateModelPart(
"output_model_part")
return GiDOutputProcess(self.post_process_model_part,
self.problem_name, self.output_settings)
else:
return (KratosMultiphysics.Process())
def GraphicalOutputExecuteInitialize(self):
"""This function performs the initialize of the graphical output
"""
self.graphical_output.ExecuteInitialize()
def GraphicalOutputExecuteBeforeSolutionLoop(self):
"""This function performs the ExecuteBeforeSolutionLoop
of the graphical_output
"""
# writing a initial state results file or single file
self.graphical_output.ExecuteBeforeSolutionLoop()
def GraphicalOutputExecuteInitializeSolutionStep(self):
"""This function performs the ExecuteInitializeSolutionStep
of the graphical_output
"""
self.graphical_output.ExecuteInitializeSolutionStep()
def GraphicalOutputExecuteFinalizeSolutionStep(self):
"""This function performs the ExecuteFinalizeSolutionStep
of the graphical_output
"""
self.graphical_output.ExecuteFinalizeSolutionStep()
def GraphicalOutputPrintOutput(self):
"""This function prints the output for this time step
"""
if (self.project_parameters.Has("output_configuration")):
self.post_process_model_part.ProcessInfo[
KratosMultiphysics.TIME] = self.main_model_part.ProcessInfo[
KratosMultiphysics.TIME]
if (self.graphical_output.IsOutputStep()):
time = self.main_model_part.ProcessInfo[
KratosMultiphysics.TIME]
delta_time = self.main_model_part.ProcessInfo[
KratosMultiphysics.DELTA_TIME]
step = self.main_model_part.ProcessInfo[
KratosMultiphysics.STEP]
KratosMultiphysics.PfemFluidDynamicsApplication.PostProcessUtilities(
).RebuildPostProcessModelPart(self.post_process_model_part,
self.main_model_part)
self.KratosPrintInfo("")
self.KratosPrintInfo(
"**********************************************************"
)
self.KratosPrintInfo("---> Print Output at [STEP:" +
str(step) + " TIME:" + str(time) +
" DT:" + str(delta_time) + "]")
self.KratosPrintInfo(
"**********************************************************"
)
self.KratosPrintInfo("")
self.graphical_output.PrintOutput()
def GraphicalOutputExecuteFinalize(self):
"""This function performs the ExecuteFinalize
of the graphical_output
"""
self.graphical_output.ExecuteFinalize()
def SetParallelSize(self, num_threads):
"""This function sets the number of threads
"""
parallel = KratosMultiphysics.OpenMPUtils()
parallel.SetNumThreads(int(num_threads))
def GetParallelSize(self):
"""This function returns the number of threads
"""
parallel = KratosMultiphysics.OpenMPUtils()
return parallel.GetNumThreads()
def StartTimeMeasuring(self):
"""This function starts time calculation
"""
# Measure process time
time_ip = timer.process_time()
return time_ip
def StopTimeMeasuring(self, time_ip, process, report):
"""This function ends time calculation
"""
# Measure process time
time_fp = timer.process_time()
if report:
used_time = time_fp - time_ip
print("::[PFEM Simulation]:: [ %.2f" % round(used_time, 2), "s",
process, " ] ")
def _GetOrderOfProcessesInitialization(self):
"""This function can be overridden in derived classes if the order of
initialization for the processes matters
"""
return [
"constraints_process_list", "loads_process_list",
"auxiliar_process_list"
]
def KratosPrintInfo(self, message):
"""This function prints info on screen
"""
KratosMultiphysics.Logger.Print(message, label="")
KratosMultiphysics.Logger.Flush()
def AddMaterialVariables(self):
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosMultiphysics.DENSITY):
self.main_model_part.AddNodalSolutionStepVariable(
KratosMultiphysics.DENSITY)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosMultiphysics.BULK_MODULUS):
self.main_model_part.AddNodalSolutionStepVariable(
KratosMultiphysics.BULK_MODULUS)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosMultiphysics.DYNAMIC_VISCOSITY):
self.main_model_part.AddNodalSolutionStepVariable(
KratosMultiphysics.DYNAMIC_VISCOSITY)
for i in range(self.constitutive_laws_names.size()):
if (self.constitutive_laws_names[i].GetString()
== "FrictionalViscoplastic2DLaw"
or self.constitutive_laws_names[i].GetString()
== "FrictionalViscoplastic3DLaw"):
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosMultiphysics.INTERNAL_FRICTION_ANGLE):
self.main_model_part.AddNodalSolutionStepVariable(
KratosMultiphysics.INTERNAL_FRICTION_ANGLE)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosPfemFluid.COHESION):
self.main_model_part.AddNodalSolutionStepVariable(
KratosPfemFluid.COHESION)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosPfemFluid.ADAPTIVE_EXPONENT):
self.main_model_part.AddNodalSolutionStepVariable(
KratosPfemFluid.ADAPTIVE_EXPONENT)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosPfemFluid.REGULARIZATION_COEFFICIENT):
self.main_model_part.AddNodalSolutionStepVariable(
KratosPfemFluid.REGULARIZATION_COEFFICIENT)
elif (self.constitutive_laws_names[i].GetString()
== "Hypoelastic2DLaw"
or self.constitutive_laws_names[i].GetString()
== "Hypoelastic3DLaw"):
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosMultiphysics.POISSON_RATIO):
self.main_model_part.AddNodalSolutionStepVariable(
KratosMultiphysics.POISSON_RATIO)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosMultiphysics.YOUNG_MODULUS):
self.main_model_part.AddNodalSolutionStepVariable(
KratosMultiphysics.YOUNG_MODULUS)
elif (self.constitutive_laws_names[i].GetString() == "Bingham2DLaw"
or self.constitutive_laws_names[i].GetString()
== "Bingham3DLaw"):
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosPfemFluid.FLOW_INDEX):
self.main_model_part.AddNodalSolutionStepVariable(
KratosPfemFluid.FLOW_INDEX)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosPfemFluid.YIELD_SHEAR):
self.main_model_part.AddNodalSolutionStepVariable(
KratosPfemFluid.YIELD_SHEAR)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosPfemFluid.YIELDED):
self.main_model_part.AddNodalSolutionStepVariable(
KratosPfemFluid.YIELDED)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosPfemFluid.ADAPTIVE_EXPONENT):
self.main_model_part.AddNodalSolutionStepVariable(
KratosPfemFluid.ADAPTIVE_EXPONENT)
elif (self.constitutive_laws_names[i].GetString()
== "PapanastasiouMuIRheology2DLaw"
or self.constitutive_laws_names[i].GetString()
== "PapanastasiouMuIRheology3DLaw"
or self.constitutive_laws_names[i].GetString()
== "BarkerBercovierMuIRheology2DLaw"
or self.constitutive_laws_names[i].GetString()
== "BarkerBercovierMuIRheology3DLaw"
or self.constitutive_laws_names[i].GetString()
== "BarkerMuIRheology2DLaw"
or self.constitutive_laws_names[i].GetString()
== "BarkerMuIRheology3DLaw"):
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosPfemFluid.STATIC_FRICTION):
self.main_model_part.AddNodalSolutionStepVariable(
KratosPfemFluid.STATIC_FRICTION)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosPfemFluid.DYNAMIC_FRICTION):
self.main_model_part.AddNodalSolutionStepVariable(
KratosPfemFluid.DYNAMIC_FRICTION)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosPfemFluid.INERTIAL_NUMBER_ZERO):
self.main_model_part.AddNodalSolutionStepVariable(
KratosPfemFluid.INERTIAL_NUMBER_ZERO)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosPfemFluid.GRAIN_DIAMETER):
self.main_model_part.AddNodalSolutionStepVariable(
KratosPfemFluid.GRAIN_DIAMETER)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosPfemFluid.GRAIN_DENSITY):
self.main_model_part.AddNodalSolutionStepVariable(
KratosPfemFluid.GRAIN_DENSITY)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosPfemFluid.REGULARIZATION_COEFFICIENT):
self.main_model_part.AddNodalSolutionStepVariable(
KratosPfemFluid.REGULARIZATION_COEFFICIENT)
if (self.constitutive_laws_names[i].GetString()
== "BarkerBercovierMuIRheology2DLaw"
or self.constitutive_laws_names[i].GetString()
== "BarkerBercovierMuIRheology3DLaw"
or self.constitutive_laws_names[i].GetString()
== "BarkerMuIRheology2DLaw"
or self.constitutive_laws_names[i].GetString()
== "BarkerMuIRheology3DLaw"):
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosPfemFluid.INFINITE_FRICTION):
self.main_model_part.AddNodalSolutionStepVariable(
KratosPfemFluid.INFINITE_FRICTION)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosPfemFluid.INERTIAL_NUMBER_ONE):
self.main_model_part.AddNodalSolutionStepVariable(
KratosPfemFluid.INERTIAL_NUMBER_ONE)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosPfemFluid.ALPHA_PARAMETER):
self.main_model_part.AddNodalSolutionStepVariable(
KratosPfemFluid.ALPHA_PARAMETER)
elif (self.constitutive_laws_names[i].GetString() != "None"
and self.constitutive_laws_names[i].GetString() !=
"Newtonian2DLaw"
and self.constitutive_laws_names[i].GetString() !=
"Newtonian3DLaw"):
print(
"ERROR: THE CONSTITUTIVE LAW PROVIDED FOR THIS SUBMODEL PART IS NOT IN THE PFEM FLUID DATABASE"
)
def AddAllMaterialVariables(self):
print(
"ATTENTION! YOU ARE ADDING ALL MATERIAL VARIABLES, PLEASE UPDATE YOUR PROJECTPARAMETERS.JSON"
)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosMultiphysics.DENSITY):
self.main_model_part.AddNodalSolutionStepVariable(
KratosMultiphysics.DENSITY)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosMultiphysics.BULK_MODULUS):
self.main_model_part.AddNodalSolutionStepVariable(
KratosMultiphysics.BULK_MODULUS)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosMultiphysics.DYNAMIC_VISCOSITY):
self.main_model_part.AddNodalSolutionStepVariable(
KratosMultiphysics.DYNAMIC_VISCOSITY)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosMultiphysics.INTERNAL_FRICTION_ANGLE):
self.main_model_part.AddNodalSolutionStepVariable(
KratosMultiphysics.INTERNAL_FRICTION_ANGLE)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosPfemFluid.COHESION):
self.main_model_part.AddNodalSolutionStepVariable(
KratosPfemFluid.COHESION)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosPfemFluid.ADAPTIVE_EXPONENT):
self.main_model_part.AddNodalSolutionStepVariable(
KratosPfemFluid.ADAPTIVE_EXPONENT)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosPfemFluid.REGULARIZATION_COEFFICIENT):
self.main_model_part.AddNodalSolutionStepVariable(
KratosPfemFluid.REGULARIZATION_COEFFICIENT)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosMultiphysics.POISSON_RATIO):
self.main_model_part.AddNodalSolutionStepVariable(
KratosMultiphysics.POISSON_RATIO)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosMultiphysics.YOUNG_MODULUS):
self.main_model_part.AddNodalSolutionStepVariable(
KratosMultiphysics.YOUNG_MODULUS)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosPfemFluid.FLOW_INDEX):
self.main_model_part.AddNodalSolutionStepVariable(
KratosPfemFluid.FLOW_INDEX)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosPfemFluid.YIELD_SHEAR):
self.main_model_part.AddNodalSolutionStepVariable(
KratosPfemFluid.YIELD_SHEAR)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosPfemFluid.YIELDED):
self.main_model_part.AddNodalSolutionStepVariable(
KratosPfemFluid.YIELDED)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosPfemFluid.STATIC_FRICTION):
self.main_model_part.AddNodalSolutionStepVariable(
KratosPfemFluid.STATIC_FRICTION)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosPfemFluid.DYNAMIC_FRICTION):
self.main_model_part.AddNodalSolutionStepVariable(
KratosPfemFluid.DYNAMIC_FRICTION)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosPfemFluid.INERTIAL_NUMBER_ZERO):
self.main_model_part.AddNodalSolutionStepVariable(
KratosPfemFluid.INERTIAL_NUMBER_ZERO)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosPfemFluid.GRAIN_DIAMETER):
self.main_model_part.AddNodalSolutionStepVariable(
KratosPfemFluid.GRAIN_DIAMETER)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosPfemFluid.GRAIN_DENSITY):
self.main_model_part.AddNodalSolutionStepVariable(
KratosPfemFluid.GRAIN_DENSITY)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosPfemFluid.INFINITE_FRICTION):
self.main_model_part.AddNodalSolutionStepVariable(
KratosPfemFluid.INFINITE_FRICTION)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosPfemFluid.INERTIAL_NUMBER_ONE):
self.main_model_part.AddNodalSolutionStepVariable(
KratosPfemFluid.INERTIAL_NUMBER_ONE)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosPfemFluid.ALPHA_PARAMETER):
self.main_model_part.AddNodalSolutionStepVariable(
KratosPfemFluid.ALPHA_PARAMETER)
def AddPfemVariables(self):
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosMultiphysics.MESH_VELOCITY):
self.main_model_part.AddNodalSolutionStepVariable(
KratosMultiphysics.MESH_VELOCITY)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosMultiphysics.BODY_FORCE):
self.main_model_part.AddNodalSolutionStepVariable(
KratosMultiphysics.BODY_FORCE)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosMultiphysics.NODAL_MASS):
self.main_model_part.AddNodalSolutionStepVariable(
KratosMultiphysics.NODAL_MASS)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosMultiphysics.REACTION):
self.main_model_part.AddNodalSolutionStepVariable(
KratosMultiphysics.REACTION)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosMultiphysics.NORMAL):
self.main_model_part.AddNodalSolutionStepVariable(
KratosMultiphysics.NORMAL)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosMultiphysics.VOLUME_ACCELERATION):
self.main_model_part.AddNodalSolutionStepVariable(
KratosMultiphysics.VOLUME_ACCELERATION)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosPfemFluid.FREESURFACE):
self.main_model_part.AddNodalSolutionStepVariable(
KratosPfemFluid.FREESURFACE)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosPfemFluid.PREVIOUS_FREESURFACE):
self.main_model_part.AddNodalSolutionStepVariable(
KratosPfemFluid.PREVIOUS_FREESURFACE)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosPfemFluid.PRESSURE_VELOCITY):
self.main_model_part.AddNodalSolutionStepVariable(
KratosPfemFluid.PRESSURE_VELOCITY)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosPfemFluid.PRESSURE_ACCELERATION):
self.main_model_part.AddNodalSolutionStepVariable(
KratosPfemFluid.PRESSURE_ACCELERATION)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosPfemFluid.ISOLATED_NODE):
self.main_model_part.AddNodalSolutionStepVariable(
KratosPfemFluid.ISOLATED_NODE)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosMultiphysics.NODAL_H):
self.main_model_part.AddNodalSolutionStepVariable(
KratosMultiphysics.NODAL_H)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosDelaunay.SHRINK_FACTOR):
self.main_model_part.AddNodalSolutionStepVariable(
KratosDelaunay.SHRINK_FACTOR)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosDelaunay.PROPERTY_ID):
self.main_model_part.AddNodalSolutionStepVariable(
KratosDelaunay.PROPERTY_ID)
if not self.main_model_part.HasNodalSolutionStepVariable(
KratosPfemFluid.THETA_MOMENTUM):
self.main_model_part.AddNodalSolutionStepVariable(
KratosPfemFluid.THETA_MOMENTUM)
class PfemFluidDynamicsAnalysis(AnalysisStage):
"""The base class for the PfemFluidDynamicsAnalysis
"""
def __init__(self, model, parameters):
"""The constructor of the AnalysisStage-Object.
Keyword arguments:
self -- It signifies an instance of a class.
model -- The Model to be used
parameters -- The ProjectParameters used
"""
self.model = 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 ####
#set echo level
self.echo_level = parameters["problem_data"]["echo_level"].GetInt()
# Print solving time
self.report = False
if( self.echo_level > 0 ):
self.report = True
self.KratosPrintInfo(" ")
# defining the number of threads:
num_threads = parameters["problem_data"]["threads"].GetInt()
self.SetParallelSize(num_threads)
self.KratosPrintInfo("::[KPFEM Simulation]:: [OMP USING" + str(num_threads) + "THREADS ]")
#parallel.PrintOMPInfo()
self.KratosPrintInfo(" ")
self.KratosPrintInfo("::[KPFEM Simulation]:: [Time Step:" + str(parameters["solver_settings"]["time_stepping"]["time_step"].GetDouble()) + " echo:" + str(self.echo_level) + "]")
#### Model_part settings start ####
super(PfemFluidDynamicsAnalysis,self).__init__(model,parameters)
# Defining the model_part
self.main_model_part = self.model.GetModelPart(parameters["solver_settings"]["model_part_name"].GetString())
self.main_model_part.ProcessInfo.SetValue(KratosMultiphysics.SPACE_DIMENSION, parameters["solver_settings"]["domain_size"].GetInt())
self.main_model_part.ProcessInfo.SetValue(KratosMultiphysics.DOMAIN_SIZE, parameters["solver_settings"]["domain_size"].GetInt())
self.main_model_part.ProcessInfo.SetValue(KratosMultiphysics.DELTA_TIME, parameters["solver_settings"]["time_stepping"]["time_step"].GetDouble())
self.main_model_part.ProcessInfo.SetValue(KratosMultiphysics.TIME, parameters["problem_data"]["start_time"].GetDouble())
if parameters["problem_data"].Has("gravity_vector"):
self.main_model_part.ProcessInfo.SetValue(KratosMultiphysics.GRAVITY_X, parameters["problem_data"]["gravity_vector"][0].GetDouble())
self.main_model_part.ProcessInfo.SetValue(KratosMultiphysics.GRAVITY_Y, parameters["problem_data"]["gravity_vector"][1].GetDouble())
self.main_model_part.ProcessInfo.SetValue(KratosMultiphysics.GRAVITY_Z, parameters["problem_data"]["gravity_vector"][2].GetDouble())
self.problem_path = os.getcwd()
self.problem_name = parameters["problem_data"]["problem_name"].GetString()
def _CreateSolver(self):
"""Create the solver
"""
return solver_wrapper.CreateSolverByParameters(self.model, self.project_parameters["solver_settings"],self.project_parameters["problem_data"]["parallel_type"].GetString())
def Initialize(self):
"""This function initializes the AnalysisStage
Usage: It is designed to be called ONCE, BEFORE the execution of the solution-loop
This function has to be implemented in deriving classes!
"""
# Read model_part from mdpa file
self._solver.ImportModelPart()
# Prepare model_part (note: the buffer_size is set here) (restart is read here)
self._solver.PrepareModelPart()
# 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()
#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)
#### Processes settings start ####
# obtain the list of the processes to be applied
from KratosMultiphysics.PfemFluidDynamicsApplication.process_handler import ProcessHandler
process_parameters = KratosMultiphysics.Parameters("{}")
process_parameters.AddValue("echo_level", self.project_parameters["problem_data"]["echo_level"])
if( self.project_parameters.Has("problem_process_list") ):
process_parameters.AddValue("problem_process_list", self.project_parameters["problem_process_list"])
self.model_processes = ProcessHandler(self.model, process_parameters)
self.model_processes.ExecuteInitialize()
## here we initialize user-provided processes
order_processes_initialization = self._GetOrderOfProcessesInitialization()
self._list_of_processes = self._CreateProcesses("processes", order_processes_initialization)
for process in self._GetListOfProcesses():
process.ExecuteInitialize()
#### processes settings end ####
#### START SOLUTION ####
self.computing_model_part = self._solver.GetComputingModelPart()
self.graphical_output = self.SetGraphicalOutput()
## Sets strategies, builders, linear solvers, schemes and solving info, and fills the buffer
self._solver.Initialize()
self._solver.InitializeStrategy()
self._solver.SetEchoLevel(self.echo_level)
# Initialize GiD I/O (gid outputs, file_lists)
self.GraphicalOutputExecuteInitialize()
self.KratosPrintInfo(" ")
self.KratosPrintInfo("::[KPFEM Simulation]:: Analysis -START- ")
self.model_processes.ExecuteBeforeSolutionLoop()
for process in self._GetListOfProcesses():
process.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.project_parameters["problem_data"]["end_time"].GetDouble()
self.delta_time = self.project_parameters["solver_settings"]["time_stepping"]["time_step"].GetDouble()
def InitializeSolutionStep(self):
"""This function performs all the required operations that should be executed
(for each step) BEFORE solving the solution step.
"""
self.clock_time = self.StartTimeMeasuring()
# processes to be executed at the begining of the solution step
self.model_processes.ExecuteInitializeSolutionStep()
for process in self._GetListOfProcesses():
process.ExecuteInitializeSolutionStep()
self.GraphicalOutputExecuteInitializeSolutionStep()
# solve time step
self._solver.InitializeSolutionStep()
self.StopTimeMeasuring(self.clock_time,"Initialize Step" , self.report)
def FinalizeSolutionStep(self):
"""This function performs all the required operations that should be executed
(for each step) AFTER solving the solution step.
"""
self.clock_time = self.StartTimeMeasuring();
self._GetSolver().FinalizeSolutionStep()
self.GraphicalOutputExecuteFinalizeSolutionStep()
# processes to be executed at the end of the solution step
self.model_processes.ExecuteFinalizeSolutionStep()
for process in self._GetListOfProcesses():
process.ExecuteFinalizeSolutionStep()
self.model_processes.ExecuteBeforeOutputStep()
for process in self._GetListOfProcesses():
process.ExecuteBeforeOutputStep()
# write output results GiD: (frequency writing is controlled internally)
self.GraphicalOutputPrintOutput()
# processes to be executed after witting the output
self.model_processes.ExecuteAfterOutputStep()
for process in self._GetListOfProcesses():
process.ExecuteAfterOutputStep()
self.StopTimeMeasuring(self.clock_time,"Finalize Step" , self.report);
def OutputSolutionStep(self):
"""This function printed / writes output files after the solution of a step
"""
pass
def Finalize(self):
"""This function finalizes the AnalysisStage
Usage: It is designed to be called ONCE, AFTER the execution of the solution-loop
"""
# Ending the problem (time integration finished)
self.GraphicalOutputExecuteFinalize()
self.model_processes.ExecuteFinalize()
for process in self._GetListOfProcesses():
process.ExecuteFinalize()
self.KratosPrintInfo("::[KPFEM Simulation]:: Analysis -END- ")
self.KratosPrintInfo(" ")
#### END SOLUTION ####
# Measure process time
tfp = timer.clock()
# Measure wall time
tfw = timer.time()
print("::[KPFEM Simulation]:: [Elapsed Time = %.2f" % (tfw - self.t0w),"seconds] (%.2f" % (tfp - self.t0p),"seconds of cpu/s time)")
self.KratosPrintInfo(timer.ctime())
def SetGraphicalOutput(self):
"""This function sets the settings for the graphical
output
"""
if( self.project_parameters.Has("output_configuration") ):
from KratosMultiphysics.PfemFluidDynamicsApplication.pfem_fluid_gid_output_process import GiDOutputProcess
self.output_settings = self.project_parameters["output_configuration"]
self.post_process_model_part = self.model.CreateModelPart("output_model_part")
return GiDOutputProcess(self.post_process_model_part,
self.problem_name,
self.output_settings)
else:
return (KratosMultiphysics.Process())
def GraphicalOutputExecuteInitialize(self):
"""This function performs the initialize of the graphical output
"""
self.graphical_output.ExecuteInitialize()
def GraphicalOutputExecuteBeforeSolutionLoop(self):
"""This function performs the ExecuteBeforeSolutionLoop
of the graphical_output
"""
# 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):
"""This function performs the ExecuteInitializeSolutionStep
of the graphical_output
"""
self.graphical_output.ExecuteInitializeSolutionStep()
def GraphicalOutputExecuteFinalizeSolutionStep(self):
"""This function performs the ExecuteFinalizeSolutionStep
of the graphical_output
"""
self.graphical_output.ExecuteFinalizeSolutionStep()
def GraphicalOutputPrintOutput(self):
"""This function prints the output for this time step
"""
if( self.project_parameters.Has("output_configuration") ):
self.post_process_model_part.ProcessInfo[KratosMultiphysics.TIME] = self.main_model_part.ProcessInfo[KratosMultiphysics.TIME]
if(self.graphical_output.IsOutputStep()):
time=self.main_model_part.ProcessInfo[KratosMultiphysics.TIME]
delta_time=self.main_model_part.ProcessInfo[KratosMultiphysics.DELTA_TIME]
step=self.main_model_part.ProcessInfo[KratosMultiphysics.STEP]
KratosMultiphysics.PfemFluidDynamicsApplication.PostProcessUtilities().RebuildPostProcessModelPart(self.post_process_model_part, self.main_model_part)
self.KratosPrintInfo("")
self.KratosPrintInfo("**********************************************************")
self.KratosPrintInfo("---> Print Output at [STEP:" + str(step) + " TIME:" + str(time) + " DT:" + str(delta_time) + "]")
self.KratosPrintInfo("**********************************************************")
self.KratosPrintInfo("")
self.graphical_output.PrintOutput()
def GraphicalOutputExecuteFinalize(self):
"""This function performs the ExecuteFinalize
of the graphical_output
"""
self.graphical_output.ExecuteFinalize()
def SetParallelSize(self, num_threads):
"""This function sets the number of threads
"""
parallel = KratosMultiphysics.OpenMPUtils()
parallel.SetNumThreads(int(num_threads))
def GetParallelSize(self):
"""This function returns the number of threads
"""
parallel = KratosMultiphysics.OpenMPUtils()
return parallel.GetNumThreads()
def StartTimeMeasuring(self):
"""This function starts time calculation
"""
# Measure process time
time_ip = timer.clock()
return time_ip
def StopTimeMeasuring(self, time_ip, process, report):
"""This function ends time calculation
"""
# Measure process time
time_fp = timer.clock()
if report:
used_time = time_fp - time_ip
print("::[PFEM Simulation]:: [ %.2f" % round(used_time,2),"s", process," ] ")
def _GetOrderOfProcessesInitialization(self):
"""This function can be overridden in derived classes if the order of
initialization for the processes matters
"""
return ["constraints_process_list",
"loads_process_list",
"auxiliar_process_list"]
#### Main internal methods ####
def _import_project_parameters(self, input_file):
"""This function reads the ProjectsParameters.json
"""
from KratosMultiphysics.PfemFluidDynamicsApplication.input_manager import InputManager
self.input_manager = InputManager(input_file)
return self.input_manager.Getparameters()
def KratosPrintInfo(self, message):
"""This function prints info on screen
"""
KratosMultiphysics.Logger.Print(message, label="")
KratosMultiphysics.Logger.Flush()