def _create_convergence_criterion(self):
convergence_criterion = convergence_criteria_factory.convergence_criterion(
self._get_convergence_criterion_settings())
conv_criteria = convergence_criterion.mechanical_convergence_criterion
contact_criteria = ContactStructuralMechanicsApplication.MPCContactCriteria(
)
return KratosMultiphysics.AndCriteria(conv_criteria, contact_criteria)
def GetConvergenceCriteria(self, error_criteria, conv_settings):
if ("_with_adaptative_remesh" in error_criteria):
conv_settings["convergence_criterion"].SetString(
error_criteria.replace("_with_adaptative_remesh", ""))
# If we just use the adaptative convergence criteria
if (missing_meshing_dependencies is True):
if ("adaptative_remesh" in error_criteria):
raise NameError(
'The AdaptativeErrorCriteria can not be used without compiling the MeshingApplication'
)
else:
if (error_criteria == "adaptative_remesh_criteria"):
adaptative_error_criteria = StructuralMechanicsApplication.ErrorMeshCriteria(
self.adaptative_remesh_parameters["compute_error_settings"]
)
adaptative_error_criteria.SetEchoLevel(
conv_settings["echo_level"].GetInt())
return adaptative_error_criteria
# Regular convergence criteria
convergence_criterion = convergence_criteria_factory.convergence_criterion(
conv_settings)
# If we combine the regular convergence criteria with adaptative
if (missing_meshing_dependencies is False):
if ("_with_adaptative_remesh" in error_criteria):
adaptative_error_criteria = StructuralMechanicsApplication.ErrorMeshCriteria(
self.adaptative_remesh_parameters["compute_error_settings"]
)
adaptative_error_criteria.SetEchoLevel(
conv_settings["echo_level"].GetInt())
convergence_criterion.mechanical_convergence_criterion = KratosMultiphysics.AndCriteria(
convergence_criterion.mechanical_convergence_criterion,
adaptative_error_criteria)
return convergence_criterion.mechanical_convergence_criterion
def _create_convergence_criterion(self):
"""This method is overridden to make sure it always uses "displacement_criterion" """
convergence_criterion_setting = self._get_convergence_criterion_settings(
)
if convergence_criterion_setting["convergence_criterion"].GetString(
) != "displacement_criterion":
warn_msg = 'Convergence criterion "displacement_criterion" is required. \n'
warn_msg += '"' + convergence_criterion_setting[
"convergence_criterion"].GetString(
) + '" specification will be ignored'
KratosMultiphysics.Logger.PrintWarning(
"StructuralMechanicsPrebucklingAnalysis; Warning", warn_msg)
convergence_criterion_setting["convergence_criterion"].SetString(
"displacement_criterion")
convergence_criterion = convergence_criteria_factory.convergence_criterion(
convergence_criterion_setting)
return convergence_criterion.mechanical_convergence_criterion
def __init__(self, model_part, convergence_criterion_parameters):
# The main model part
self.model_part = model_part
# Note that all the convergence settings are introduced via a Kratos parameters object.
self.echo_level = convergence_criterion_parameters[
"echo_level"].GetInt()
self.convergence_criterion_name = convergence_criterion_parameters[
"convergence_criterion"].GetString()
self.mortar_type = convergence_criterion_parameters[
"mortar_type"].GetString()
self.frictional_decomposed = convergence_criterion_parameters[
"frictional_decomposed"].GetBool()
self.print_convergence_criterion = convergence_criterion_parameters[
"print_convergence_criterion"].GetBool()
self.compute_dynamic_factor = convergence_criterion_parameters[
"compute_dynamic_factor"].GetBool()
self.gidio_debug = convergence_criterion_parameters[
"gidio_debug"].GetBool()
if "contact" in self.convergence_criterion_name:
D_RT = convergence_criterion_parameters[
"displacement_relative_tolerance"].GetDouble()
D_AT = convergence_criterion_parameters[
"displacement_absolute_tolerance"].GetDouble()
R_RT = convergence_criterion_parameters[
"residual_relative_tolerance"].GetDouble()
R_AT = convergence_criterion_parameters[
"residual_absolute_tolerance"].GetDouble()
CD_RT = convergence_criterion_parameters[
"contact_displacement_relative_tolerance"].GetDouble()
CD_AT = convergence_criterion_parameters[
"contact_displacement_absolute_tolerance"].GetDouble()
CR_RT = convergence_criterion_parameters[
"contact_residual_relative_tolerance"].GetDouble()
CR_AT = convergence_criterion_parameters[
"contact_residual_absolute_tolerance"].GetDouble()
FSTCD_RT = convergence_criterion_parameters[
"frictional_stick_contact_displacement_relative_tolerance"].GetDouble(
)
FSTCD_AT = convergence_criterion_parameters[
"frictional_stick_contact_displacement_absolute_tolerance"].GetDouble(
)
FSTCR_RT = convergence_criterion_parameters[
"frictional_stick_contact_residual_relative_tolerance"].GetDouble(
)
FSTCR_AT = convergence_criterion_parameters[
"frictional_stick_contact_residual_absolute_tolerance"].GetDouble(
)
FSLCD_RT = convergence_criterion_parameters[
"frictional_slip_contact_displacement_relative_tolerance"].GetDouble(
)
FSLCD_AT = convergence_criterion_parameters[
"frictional_slip_contact_displacement_absolute_tolerance"].GetDouble(
)
FSLCR_RT = convergence_criterion_parameters[
"frictional_slip_contact_residual_relative_tolerance"].GetDouble(
)
FSLCR_AT = convergence_criterion_parameters[
"frictional_slip_contact_residual_absolute_tolerance"].GetDouble(
)
RNTT = convergence_criterion_parameters[
"ratio_normal_tangent_threshold"].GetDouble()
condn_convergence_criterion = convergence_criterion_parameters[
"condn_convergence_criterion"].GetBool()
ensure_contact = convergence_criterion_parameters[
"ensure_contact"].GetBool()
if self.echo_level >= 1:
KM.Logger.PrintInfo(
"::[Mechanical Solver]:: ", "CONVERGENCE CRITERION : " +
self.convergence_criterion_name)
if self.convergence_criterion_name == "contact_displacement_criterion":
if "ALMContactFrictional" in self.mortar_type and self.frictional_decomposed:
if "PureSlip" in self.mortar_type:
pure_slip = True
else:
pure_slip = auxiliar_methods_solvers.AuxiliarPureSlipCheck(
self.model_part)
self.mechanical_convergence_criterion = CSMA.DisplacementLagrangeMultiplierFrictionalContactCriteria(
D_RT, D_AT, CD_RT, CD_AT, FSTCD_RT, FSTCD_AT, FSLCD_RT,
FSLCD_AT, RNTT, ensure_contact, pure_slip,
self.print_convergence_criterion)
elif "Penalty" in self.mortar_type:
self.mechanical_convergence_criterion = CSMA.DisplacementContactCriteria(
D_RT, D_AT, self.print_convergence_criterion)
else:
self.mechanical_convergence_criterion = CSMA.DisplacementLagrangeMultiplierContactCriteria(
D_RT, D_AT, CD_RT, CD_AT, ensure_contact,
self.print_convergence_criterion)
self.mechanical_convergence_criterion.SetEchoLevel(
self.echo_level)
elif self.convergence_criterion_name == "contact_residual_criterion":
if "ALMContactFrictional" in self.mortar_type and self.frictional_decomposed:
if "PureSlip" in self.mortar_type:
pure_slip = True
else:
pure_slip = auxiliar_methods_solvers.AuxiliarPureSlipCheck(
self.model_part)
self.mechanical_convergence_criterion = CSMA.DisplacementLagrangeMultiplierResidualFrictionalContactCriteria(
R_RT, R_AT, CR_RT, CR_AT, FSTCD_RT, FSTCR_AT, FSLCD_RT,
FSLCR_AT, RNTT, ensure_contact, pure_slip,
self.print_convergence_criterion)
elif "Penalty" in self.mortar_type:
self.mechanical_convergence_criterion = CSMA.DisplacementResidualContactCriteria(
R_RT, R_AT, self.print_convergence_criterion)
else:
self.mechanical_convergence_criterion = CSMA.DisplacementLagrangeMultiplierResidualContactCriteria(
R_RT, R_AT, CR_RT, CR_AT, ensure_contact,
self.print_convergence_criterion)
self.mechanical_convergence_criterion.SetEchoLevel(
self.echo_level)
elif self.convergence_criterion_name == "contact_mixed_criterion":
if "ALMContactFrictional" in self.mortar_type and self.frictional_decomposed:
if "PureSlip" in self.mortar_type:
pure_slip = True
else:
pure_slip = auxiliar_methods_solvers.AuxiliarPureSlipCheck(
self.model_part)
self.mechanical_convergence_criterion = CSMA.DisplacementLagrangeMultiplierMixedFrictionalContactCriteria(
R_RT, R_AT, CR_RT, CR_AT, FSTCD_RT, FSTCR_AT, FSLCD_RT,
FSLCR_AT, RNTT, ensure_contact, pure_slip,
self.print_convergence_criterion)
elif "Penalty" in self.mortar_type:
self.mechanical_convergence_criterion = CSMA.DisplacementResidualContactCriteria(
R_RT, R_AT, self.print_convergence_criterion)
else:
self.mechanical_convergence_criterion = CSMA.DisplacementLagrangeMultiplierMixedContactCriteria(
R_RT, R_AT, CR_RT, CR_AT, ensure_contact,
self.print_convergence_criterion)
self.mechanical_convergence_criterion.SetEchoLevel(
self.echo_level)
elif self.convergence_criterion_name == "contact_and_criterion":
if "Penalty" in self.mortar_type:
Displacement = CSMA.DisplacementContactCriteria(
D_RT, D_AT, self.print_convergence_criterion)
Residual = CSMA.DisplacementResidualContactCriteria(
R_RT, R_AT, self.print_convergence_criterion)
else:
Displacement = CSMA.DisplacementLagrangeMultiplierContactCriteria(
D_RT, D_AT, CD_RT, CD_AT, ensure_contact,
self.print_convergence_criterion)
Residual = CSMA.DisplacementLagrangeMultiplierResidualContactCriteria(
R_RT, R_AT, CR_RT, CR_AT, ensure_contact,
self.print_convergence_criterion)
Displacement.SetEchoLevel(self.echo_level)
Residual.SetEchoLevel(self.echo_level)
self.mechanical_convergence_criterion = KM.AndCriteria(
Residual, Displacement)
elif self.convergence_criterion_name == "contact_or_criterion":
if "Penalty" in self.mortar_type:
Displacement = CSMA.DisplacementContactCriteria(
D_RT, D_AT, self.print_convergence_criterion)
Residual = CSMA.DisplacementResidualContactCriteria(
R_RT, R_AT, self.print_convergence_criterion)
else:
Displacement = CSMA.DisplacementLagrangeMultiplierContactCriteria(
D_RT, D_AT, CD_RT, CD_AT, ensure_contact,
self.print_convergence_criterion)
Residual = CSMA.DisplacementLagrangeMultiplierResidualContactCriteria(
R_RT, R_AT, CR_RT, CR_AT, ensure_contact,
self.print_convergence_criterion)
Displacement.SetEchoLevel(self.echo_level)
Residual.SetEchoLevel(self.echo_level)
self.mechanical_convergence_criterion = KM.OrCriteria(
Residual, Displacement)
# Adding the mortar criteria
Mortar = self.GetMortarCriteria()
if condn_convergence_criterion:
# Construct the solver
settings_max = KM.Parameters("""
{
"solver_type" : "power_iteration_highest_eigenvalue_solver",
"max_iteration" : 10000,
"tolerance" : 1e-9,
"required_eigen_number" : 1,
"verbosity" : 0
}
""")
eigen_solver_max = eigen_solver_factory.ConstructSolver(
settings_max)
settings_min = KM.Parameters("""
{
"solver_type" : "power_iteration_eigenvalue_solver",
"max_iteration" : 10000,
"tolerance" : 1e-9,
"required_eigen_number" : 1,
"verbosity" : 0
}
""")
eigen_solver_min = eigen_solver_factory.ConstructSolver(
settings_min)
condition_number_utility = KM.ConditionNumberUtility(
eigen_solver_max, eigen_solver_min)
else:
condition_number_utility = None
self.mechanical_convergence_criterion = CSMA.MortarAndConvergenceCriteria(
self.mechanical_convergence_criterion, Mortar,
self.print_convergence_criterion, condition_number_utility)
self.mechanical_convergence_criterion.SetEchoLevel(self.echo_level)
self.mechanical_convergence_criterion.SetActualizeRHSFlag(True)
elif self.convergence_criterion_name == "adaptative_remesh_criteria":
self.mechanical_convergence_criterion = None
else: # Standard criteria (same as structural mechanics application)
base_mechanical_convergence_criterion = convergence_criteria_factory.convergence_criterion(
convergence_criterion_parameters)
# Adding the mortar criteria
if "ALMContact" in self.mortar_type or "MeshTying" in self.mortar_type:
Mortar = self.GetMortarCriteria(False)
self.mechanical_convergence_criterion = KM.AndCriteria(
base_mechanical_convergence_criterion.
mechanical_convergence_criterion, Mortar)
self.mechanical_convergence_criterion.SetActualizeRHSFlag(True)
else:
self.mechanical_convergence_criterion = base_mechanical_convergence_criterion.mechanical_convergence_criterion
def _create_convergence_criterion(self):
convergence_criterion = convergence_criteria_factory.convergence_criterion(
self._get_convergence_criterion_settings())
return convergence_criterion.mechanical_convergence_criterion
def _create_convergence_criterion(self):
import KratosMultiphysics.StructuralMechanicsApplication.convergence_criteria_factory as convergence_criteria_factory
convergence_criterion = convergence_criteria_factory.convergence_criterion(self._get_convergence_criterion_settings())
return convergence_criterion.mechanical_convergence_criterion
def __init__(self, convergence_criterion_parameters):
# Note that all the convergence settings are introduced via a Kratos parameters object.
self.echo_level = convergence_criterion_parameters[
"echo_level"].GetInt()
self.convergence_criterion_name = convergence_criterion_parameters[
"convergence_criterion"].GetString()
self.mortar_type = convergence_criterion_parameters[
"mortar_type"].GetString()
self.frictional_decomposed = convergence_criterion_parameters[
"frictional_decomposed"].GetBool()
self.print_convergence_criterion = convergence_criterion_parameters[
"print_convergence_criterion"].GetBool()
self.compute_dynamic_factor = convergence_criterion_parameters[
"compute_dynamic_factor"].GetBool()
self.gidio_debug = convergence_criterion_parameters[
"gidio_debug"].GetBool()
if "contact" in self.convergence_criterion_name:
D_RT = convergence_criterion_parameters[
"displacement_relative_tolerance"].GetDouble()
D_AT = convergence_criterion_parameters[
"displacement_absolute_tolerance"].GetDouble()
R_RT = convergence_criterion_parameters[
"residual_relative_tolerance"].GetDouble()
R_AT = convergence_criterion_parameters[
"residual_absolute_tolerance"].GetDouble()
CD_RT = convergence_criterion_parameters[
"contact_displacement_relative_tolerance"].GetDouble()
CD_AT = convergence_criterion_parameters[
"contact_displacement_absolute_tolerance"].GetDouble()
CR_RT = convergence_criterion_parameters[
"contact_residual_relative_tolerance"].GetDouble()
CR_AT = convergence_criterion_parameters[
"contact_residual_absolute_tolerance"].GetDouble()
FCD_RT = convergence_criterion_parameters[
"frictional_contact_displacement_relative_tolerance"].GetDouble(
)
FCD_AT = convergence_criterion_parameters[
"frictional_contact_displacement_absolute_tolerance"].GetDouble(
)
FCR_RT = convergence_criterion_parameters[
"frictional_contact_residual_relative_tolerance"].GetDouble()
FCR_AT = convergence_criterion_parameters[
"frictional_contact_residual_absolute_tolerance"].GetDouble()
condn_convergence_criterion = convergence_criterion_parameters[
"condn_convergence_criterion"].GetBool()
ensure_contact = convergence_criterion_parameters[
"ensure_contact"].GetBool()
if self.echo_level >= 1:
KM.Logger.PrintInfo(
"::[Mechanical Solver]:: ", "CONVERGENCE CRITERION : " +
self.convergence_criterion_name)
if self.convergence_criterion_name == "contact_displacement_criterion":
if (self.mortar_type == "ALMContactFrictional"
and self.frictional_decomposed):
self.mechanical_convergence_criterion = CSMA.DisplacementLagrangeMultiplierFrictionalContactCriteria(
D_RT, D_AT, CD_RT, CD_AT, FCD_RT, FCD_AT,
ensure_contact, self.print_convergence_criterion)
elif "Penalty" in self.mortar_type:
self.mechanical_convergence_criterion = CSMA.DisplacementContactCriteria(
D_RT, D_AT, self.print_convergence_criterion)
else:
self.mechanical_convergence_criterion = CSMA.DisplacementLagrangeMultiplierContactCriteria(
D_RT, D_AT, CD_RT, CD_AT, ensure_contact,
self.print_convergence_criterion)
self.mechanical_convergence_criterion.SetEchoLevel(
self.echo_level)
elif self.convergence_criterion_name == "contact_residual_criterion":
if (self.mortar_type == "ALMContactFrictional"
and self.frictional_decomposed):
self.mechanical_convergence_criterion = CSMA.DisplacementLagrangeMultiplierResidualFrictionalContactCriteria(
R_RT, R_AT, CR_RT, CR_AT, FCR_RT, FCR_AT,
ensure_contact, self.print_convergence_criterion)
elif "Penalty" in self.mortar_type:
self.mechanical_convergence_criterion = CSMA.DisplacementResidualContactCriteria(
R_RT, R_AT, self.print_convergence_criterion)
else:
self.mechanical_convergence_criterion = CSMA.DisplacementLagrangeMultiplierResidualContactCriteria(
R_RT, R_AT, CR_RT, CR_AT, ensure_contact,
self.print_convergence_criterion)
self.mechanical_convergence_criterion.SetEchoLevel(
self.echo_level)
elif self.convergence_criterion_name == "contact_mixed_criterion":
if (self.mortar_type == "ALMContactFrictional"
and self.frictional_decomposed):
self.mechanical_convergence_criterion = CSMA.DisplacementLagrangeMultiplierMixedFrictionalontactCriteria(
R_RT, R_AT, CR_RT, CR_AT, FCR_RT, FCR_AT,
ensure_contact, self.print_convergence_criterion)
elif "Penalty" in self.mortar_type:
self.mechanical_convergence_criterion = CSMA.DisplacementResidualContactCriteria(
R_RT, R_AT, self.print_convergence_criterion)
else:
self.mechanical_convergence_criterion = CSMA.DisplacementLagrangeMultiplierMixedContactCriteria(
R_RT, R_AT, CR_RT, CR_AT, ensure_contact,
self.print_convergence_criterion)
self.mechanical_convergence_criterion.SetEchoLevel(
self.echo_level)
elif self.convergence_criterion_name == "contact_and_criterion":
if "Penalty" in self.mortar_type:
Displacement = CSMA.DisplacementContactCriteria(
D_RT, D_AT, self.print_convergence_criterion)
Residual = CSMA.DisplacementResidualContactCriteria(
R_RT, R_AT, self.print_convergence_criterion)
else:
Displacement = CSMA.DisplacementLagrangeMultiplierContactCriteria(
D_RT, D_AT, CD_RT, CD_AT, ensure_contact,
self.print_convergence_criterion)
Residual = CSMA.DisplacementLagrangeMultiplierResidualContactCriteria(
R_RT, R_AT, CR_RT, CR_AT, ensure_contact,
self.print_convergence_criterion)
Displacement.SetEchoLevel(self.echo_level)
Residual.SetEchoLevel(self.echo_level)
self.mechanical_convergence_criterion = KM.AndCriteria(
Residual, Displacement)
elif self.convergence_criterion_name == "contact_or_criterion":
if "Penalty" in self.mortar_type:
Displacement = CSMA.DisplacementContactCriteria(
D_RT, D_AT, self.print_convergence_criterion)
Residual = CSMA.DisplacementResidualContactCriteria(
R_RT, R_AT, self.print_convergence_criterion)
else:
Displacement = CSMA.DisplacementLagrangeMultiplierContactCriteria(
D_RT, D_AT, CD_RT, CD_AT, ensure_contact,
self.print_convergence_criterion)
Residual = CSMA.DisplacementLagrangeMultiplierResidualContactCriteria(
R_RT, R_AT, CR_RT, CR_AT, ensure_contact,
self.print_convergence_criterion)
Displacement.SetEchoLevel(self.echo_level)
Residual.SetEchoLevel(self.echo_level)
self.mechanical_convergence_criterion = KM.OrCriteria(
Residual, Displacement)
# Adding the mortar criteria
Mortar = self.GetMortarCriteria()
if (condn_convergence_criterion is True):
# Construct the solver
from KratosMultiphysics import eigen_solver_factory
settings_max = KM.Parameters("""
{
"solver_type" : "power_iteration_highest_eigenvalue_solver",
"max_iteration" : 10000,
"tolerance" : 1e-9,
"required_eigen_number" : 1,
"verbosity" : 0,
"linear_solver_settings" : {
"solver_type" : "SuperLUSolver",
"max_iteration" : 500,
"tolerance" : 1e-9,
"scaling" : false,
"verbosity" : 0
}
}
""")
eigen_solver_max = eigen_solver_factory.ConstructSolver(
settings_max)
settings_min = KM.Parameters("""
{
"solver_type" : "power_iteration_eigenvalue_solver",
"max_iteration" : 10000,
"tolerance" : 1e-9,
"required_eigen_number" : 1,
"verbosity" : 0,
"linear_solver_settings" : {
"solver_type" : "SuperLUSolver",
"max_iteration" : 500,
"tolerance" : 1e-9,
"scaling" : false,
"verbosity" : 0
}
}
""")
eigen_solver_min = eigen_solver_factory.ConstructSolver(
settings_min)
condition_number_utility = KM.ConditionNumberUtility(
eigen_solver_max, eigen_solver_min)
else:
condition_number_utility = None
self.mechanical_convergence_criterion = CSMA.MortarAndConvergenceCriteria(
self.mechanical_convergence_criterion, Mortar,
self.print_convergence_criterion, condition_number_utility)
self.mechanical_convergence_criterion.SetEchoLevel(self.echo_level)
self.mechanical_convergence_criterion.SetActualizeRHSFlag(True)
elif self.convergence_criterion_name == "adaptative_remesh_criteria":
self.mechanical_convergence_criterion = None
else: # Standard criteria (same as structural mechanics application)
# Construction of the class convergence_criterion
from KratosMultiphysics.StructuralMechanicsApplication import convergence_criteria_factory
base_mechanical_convergence_criterion = convergence_criteria_factory.convergence_criterion(
convergence_criterion_parameters)
# Adding the mortar criteria
if "ALMContact" in self.mortar_type or "MeshTying" in self.mortar_type:
Mortar = self.GetMortarCriteria(False)
self.mechanical_convergence_criterion = KM.AndCriteria(
base_mechanical_convergence_criterion.
mechanical_convergence_criterion, Mortar)
self.mechanical_convergence_criterion.SetActualizeRHSFlag(True)
else:
self.mechanical_convergence_criterion = base_mechanical_convergence_criterion.mechanical_convergence_criterion
