def __init__(self, problem_name, path, read_model_part=True):
#setting the domain size for the problem to be solved
self.domain_size = 3
##################################################################
## DEFINE MODELPART ##############################################
##################################################################
self.model_part = ModelPart("ekate_simulation")
self.path = path
self.problem_name = problem_name
##################################################################
## DEFINE SOLVER #################################################
##################################################################
# reading simulation parameters
number_of_time_steps = 1
self.analysis_parameters = {}
# content of analysis_parameters:
# perform_contact_analysis_flag
# penalty value for normal contact
# maximum number of uzawa iterations
# friction coefficient
# penalty value for frictional contact
# contact_double_check_flag
# contact_ramp_penalties_flag
# maximum penalty value for normal contact
# ramp criterion for normal contact
# ramp factor for normal contact
# maximum penalty value for frictional contact
# ramp criterion for frictional contact
# ramp factor for frictional contact
# analysis type: static (0), quasi-static (1) or dynamic (2)
perform_contact_analysis_flag = False
penalty = 0.0
maxuzawa = 0.0
friction = 0.0
frictionpenalty = 0.0
contact_double_check_flag = False
contact_ramp_penalties_flag = False
maxpenalty = 0.0
rampcriterion = 0.0
rampfactor = 0.0
fricmaxpenalty = 0.0
fricrampcriterion = 0.0
fricrampfactor = 0.0
self.analysis_parameters[
'perform_contact_analysis_flag'] = perform_contact_analysis_flag
self.analysis_parameters['penalty'] = penalty
self.analysis_parameters['maxuzawa'] = maxuzawa
self.analysis_parameters['friction'] = friction
self.analysis_parameters['frictionpenalty'] = frictionpenalty
self.analysis_parameters[
'contact_double_check_flag'] = contact_double_check_flag
self.analysis_parameters[
'contact_ramp_penalties_flag'] = contact_ramp_penalties_flag
self.analysis_parameters['maxpenalty'] = maxpenalty
self.analysis_parameters['rampcriterion'] = rampcriterion
self.analysis_parameters['rampfactor'] = rampfactor
self.analysis_parameters['fricmaxpenalty'] = fricmaxpenalty
self.analysis_parameters['fricrampcriterion'] = fricrampcriterion
self.analysis_parameters['fricrampfactor'] = fricrampfactor
self.analysis_parameters['print_sparsity_info_flag'] = False
self.analysis_parameters['analysis_type'] = 0
self.analysis_parameters['dissipation_radius'] = 0.1
self.analysis_parameters['decouple_build_and_solve'] = False
self.analysis_parameters['solving_scheme'] = 'monolithic'
self.analysis_parameters['stop_Newton_Raphson_if_not_converge'] = True
self.abs_tol = 1e-6
self.rel_tol = 1e-10
#self.rel_tol = 1e-10
## generating solver
import structural_solver_advanced
self.solver = structural_solver_advanced.SolverAdvanced(
self.model_part, self.domain_size, number_of_time_steps,
self.analysis_parameters, self.abs_tol, self.rel_tol)
#import ekate_solver_parallel
#self.solver = ekate_solver_parallel.EkateSolver( self.model_part, self.domain_size, number_of_time_steps, self.analysis_parameters, self.abs_tol, self.rel_tol )
structural_solver_advanced.AddVariables(self.model_part)
#ekate_solver_parallel.AddVariables( self.model_part )
##################################################################
## READ MODELPART ################################################
##################################################################
#reading a model
write_deformed_flag = WriteDeformedMeshFlag.WriteUndeformed
write_elements = WriteConditionsFlag.WriteConditions
#write_elements = WriteConditionsFlag.WriteElementsOnly
post_mode = GiDPostMode.GiD_PostBinary
multi_file_flag = MultiFileFlag.MultipleFiles
self.gid_io = StructuralGidIO(self.path + self.problem_name, post_mode,
multi_file_flag, write_deformed_flag,
write_elements)
if read_model_part:
self.model_part_io = ModelPartIO(self.path + self.problem_name)
self.model_part_io.ReadModelPart(self.model_part)
self.meshWritten = False
(self.solver).CalculateReactionFlag = False
## READ DEACTIVATION FILE ########################################
if read_model_part:
self.cond_file = open(self.path + self.problem_name + ".mdpa", 'r')
self.cond_activation_flags = []
self.element_assignments = {}
for line in self.cond_file:
if "//ElementAssignment" in line:
val_set = line.split(' ')
self.model_part.Conditions[int(val_set[1])].SetValue(
ACTIVATION_LEVEL, self.model_part.Elements[int(
val_set[2])].GetValue(ACTIVATION_LEVEL))
#print( "assigning ACTIVATION_LEVEL of element: " +str(int(val_set[2])) + " to Condition: " + str(int(val_set[1])) + " as " + str(self.model_part.Elements[int(val_set[2])].GetValue(ACTIVATION_LEVEL)) )
self.element_assignments[int(val_set[1])] = int(val_set[2])
print "input data read OK"
#print "+++++++++++++++++++++++++++++++++++++++"
#for node in self.model_part.Nodes:
# print node
#print "+++++++++++++++++++++++++++++++++++++++"
#the buffer size should be set up here after the mesh is read for the first time
self.model_part.SetBufferSize(2)
##################################################################
## ADD DOFS ######################################################
##################################################################
structural_solver_advanced.AddDofs(self.model_part)
#ekate_solver_parallel.AddDofs( self.model_part )
##################################################################
## INITIALISE SOLVER FOR PARTICULAR SOLUTION #####################
##################################################################
#defining linear solver
plinear_solver = DiagonalFitSolver(MKLPardisoSolver())
self.solver.structure_linear_solver = plinear_solver
self.solver.Initialize()
(self.solver.solver).SetEchoLevel(2)
(
self.solver.solver
).max_iter = 10 #control the maximum iterations of Newton Raphson loop
(self.solver.solver).MoveMeshFlag = False
def __init__(self, problem_name, path):
# setting the domain size for the problem to be solved
self.domain_size = 3
#
# DEFINE MODELPART ##############################################
#
self.model_part = ModelPart("ekate_simulation")
self.path = path
self.problem_name = problem_name
#
# DEFINE SOLVER #################################################
#
# reading simulation parameters
number_of_time_steps = 1
self.analysis_parameters = []
# content of analysis_parameters:
# perform_contact_analysis_flag
# penalty value for normal contact
# maximum number of uzawa iterations
# friction coefficient
# penalty value for frictional contact
# contact_double_check_flag
# contact_ramp_penalties_flag
# maximum penalty value for normal contact
# ramp criterion for normal contact
# ramp factor for normal contact
# maximum penalty value for frictional contact
# ramp criterion for frictional contact
# ramp factor for frictional contact
perform_contact_analysis_flag = True
# performing contact analysis: reading contact parameters
penalty = 1e+10
maxuzawa = 25
friction = 0
frictionpenalty = 1e+05
contact_double_check_flag = False
contact_ramp_penalties_flag = False
maxpenalty = penalty
rampcriterion = 0.0
rampfactor = 0.0
fricmaxpenalty = penalty
fricrampcriterion = 0.0
fricrampfactor = 0.0
self.analysis_parameters.append(perform_contact_analysis_flag)
self.analysis_parameters.append(penalty)
self.analysis_parameters.append(maxuzawa)
self.analysis_parameters.append(friction)
self.analysis_parameters.append(frictionpenalty)
self.analysis_parameters.append(contact_double_check_flag)
self.analysis_parameters.append(contact_ramp_penalties_flag)
self.analysis_parameters.append(maxpenalty)
self.analysis_parameters.append(rampcriterion)
self.analysis_parameters.append(rampfactor)
self.analysis_parameters.append(fricmaxpenalty)
self.analysis_parameters.append(fricrampcriterion)
self.analysis_parameters.append(fricrampfactor)
self.analysis_parameters.append(False)
abs_tol = 1e-06
rel_tol = 0.0001
# generating solver
import structural_solver_advanced
self.solver = structural_solver_advanced.SolverAdvanced(
self.model_part, self.domain_size, number_of_time_steps,
self.analysis_parameters, abs_tol, rel_tol,
kratos_applications_path)
structural_solver_advanced.AddVariables(self.model_part)
#
# READ MODELPART ################################################
#
# reading a model
write_deformed_flag = WriteDeformedMeshFlag.WriteUndeformed
write_elements = WriteConditionsFlag.WriteElementsOnly
post_mode = GiDPostMode.GiD_PostBinary
multi_file_flag = MultiFileFlag.SingleFile
self.gid_io = StructuralGidIO(self.path + self.problem_name, post_mode,
multi_file_flag, write_deformed_flag,
write_elements)
# Reading and partitioning
number_of_partitions = mpi.size # we set it equal to the number of processors
contact_indices = IndicesVector()
contact_indices[:] = [1, 2, 3, 6, 7, 11, 12]
metis_partitioning_process = MetisContactPartitioningProcess(
model_part, gid_io, number_of_partitions, contact_indices)
self.gid_io.ReadModelPart(self.model_part)
self.meshWritten = False
# READ DEACTIVATION FILE ########################################
self.deac_file = open(self.path + self.problem_name + ".deac", 'r')
self.activation_flags = [0]
for line in self.deac_file:
val_set = line.split(' ')
elem_num = int(val_set[0])
act_level = int(val_set[1])
self.activation_flags.append(act_level)
print("input data read OK")
# print "+++++++++++++++++++++++++++++++++++++++"
# for node in self.model_part.Nodes:
# print node
# print "+++++++++++++++++++++++++++++++++++++++"
# the buffer size should be set up here after the mesh is read for the first time
self.model_part.SetBufferSize(2)
#
# ADD DOFS ######################################################
#
structural_solver_advanced.AddDofs(self.model_part)
#
# INITIALISE SOLVER FOR PARTICULAR SOLUTION #####################
#
# defining linear solver
plinear_solver = SkylineLUFactorizationSolver()
self.solver.structure_linear_solver = plinear_solver
self.solver.Initialize()
(self.solver.solver).SetEchoLevel(2)
# Initialize model
model = geo_ring_include.Model('geo_ring', os.getcwd() + "/")
model.InitializeModel()
##################################################################
### POST-PROCESSING ############################################
##################################################################
## create model_part post # this is done for only one time
model_part_post = ModelPart("isogeometric_mesh")
model_part_post.AddNodalSolutionStepVariable(DISPLACEMENT)
model_part_post.AddNodalSolutionStepVariable(REACTION)
model_part_post.AddNodalSolutionStepVariable(STRESSES)
import structural_solver_advanced
structural_solver_advanced.AddDofs(model_part_post)
#model.isogeometric_post_utility.GenerateModelPart(model_part_post, PostElementType.Quadrilateral)
#model.isogeometric_post_utility.GenerateModelPart2(model_part_post)
model.isogeometric_post_utility.GenerateModelPart2AutoCollapse(
model_part_post, 0.3, 0.3, 0.3, 1.0e-3)
########################################
## create the gid_io
write_deformed_flag = WriteDeformedMeshFlag.WriteUndeformed
write_elements = WriteConditionsFlag.WriteConditions
#write_elements = WriteConditionsFlag.WriteElementsOnly
post_mode = GiDPostMode.GiD_PostAscii
multi_file_flag = MultiFileFlag.MultipleFiles
gid_io = StructuralGidIO(model.path + model.problem_name, post_mode,
multi_file_flag, write_deformed_flag, write_elements)
########################################
def __init__(self, problem_name, path):
#setting the domain size for the problem to be solved
self.domain_size = 3
##################################################################
## DEFINE MODELPART ##############################################
##################################################################
self.model_part = ModelPart("isogeometric_simulation")
self.model_part_post = ModelPart("isogeometric_mesh")
self.path = path
self.problem_name = problem_name
##################################################################
## DEFINE SOLVER #################################################
##################################################################
# reading simulation parameters
number_of_time_steps = 1
self.analysis_parameters = []
# content of analysis_parameters:
# perform_contact_analysis_flag
# penalty value for normal contact
# maximum number of uzawa iterations
# friction coefficient
# penalty value for frictional contact
# contact_double_check_flag
# contact_ramp_penalties_flag
# maximum penalty value for normal contact
# ramp criterion for normal contact
# ramp factor for normal contact
# maximum penalty value for frictional contact
# ramp criterion for frictional contact
# ramp factor for frictional contact
# analysis type: static (0), quasi-static (1) or dynamic (2)
perform_contact_analysis_flag = False
penalty = 0.0
maxuzawa = 0.0
friction = 0.0
frictionpenalty = 0.0
contact_double_check_flag = False
contact_ramp_penalties_flag = False
maxpenalty = 0.0
rampcriterion = 0.0
rampfactor = 0.0
fricmaxpenalty = 0.0
fricrampcriterion = 0.0
fricrampfactor = 0.0
self.analysis_parameters.append(perform_contact_analysis_flag)
self.analysis_parameters.append(penalty)
self.analysis_parameters.append(maxuzawa)
self.analysis_parameters.append(friction)
self.analysis_parameters.append(frictionpenalty)
self.analysis_parameters.append(contact_double_check_flag)
self.analysis_parameters.append(contact_ramp_penalties_flag)
self.analysis_parameters.append(maxpenalty)
self.analysis_parameters.append(rampcriterion)
self.analysis_parameters.append(rampfactor)
self.analysis_parameters.append(fricmaxpenalty)
self.analysis_parameters.append(fricrampcriterion)
self.analysis_parameters.append(fricrampfactor)
#PrintSparsityInfoFlag
self.analysis_parameters.append(False)
self.analysis_parameters.append(0)
abs_tol = 1.0e-10
rel_tol = 1e-6
## generating solver
import structural_solver_advanced
self.solver = structural_solver_advanced.SolverAdvanced(
self.model_part, self.domain_size, number_of_time_steps,
self.analysis_parameters, abs_tol, rel_tol)
structural_solver_advanced.AddVariables(self.model_part)
self.model_part.AddNodalSolutionStepVariable(STRESSES)
self.model_part_post.AddNodalSolutionStepVariable(DISPLACEMENT)
self.model_part_post.AddNodalSolutionStepVariable(REACTION)
self.model_part_post.AddNodalSolutionStepVariable(STRESSES)
##################################################################
## READ MODELPART ################################################
##################################################################
#reading a model
write_deformed_flag = WriteDeformedMeshFlag.WriteUndeformed
write_elements = WriteConditionsFlag.WriteConditions
#write_elements = WriteConditionsFlag.WriteElementsOnly
post_mode = GiDPostMode.GiD_PostAscii
multi_file_flag = MultiFileFlag.MultipleFiles
self.gid_io = StructuralGidIO(self.path + self.problem_name, post_mode,
multi_file_flag, write_deformed_flag,
write_elements)
self.model_part_io = BezierModelPartIO(self.path + self.problem_name)
self.model_part_io.ReadModelPart(self.model_part)
self.isogeometric_post_utility = IsogeometricClassicalPostUtility(
self.model_part)
self.generate_post_model_part = False
self.meshWritten = True
self.solver.CalculateReactionFlag = True
## READ DEACTIVATION FILE ########################################
self.cond_file = open(self.path + self.problem_name + ".mdpa", 'r')
self.cond_activation_flags = []
for line in self.cond_file:
if "//ElementAssignment" in line:
val_set = line.split(' ')
self.model_part.Conditions[int(val_set[1])].SetValue(
ACTIVATION_LEVEL, self.model_part.Elements[int(
val_set[2])].GetValue(ACTIVATION_LEVEL))
print("assigning ACTIVATION_LEVEL of element: " +
str(int(val_set[2])) + " to Condition: " +
str(int(val_set[1])) + " as " +
str(self.model_part.Elements[int(val_set[2])].GetValue(
ACTIVATION_LEVEL)))
print("input data read OK")
#print "+++++++++++++++++++++++++++++++++++++++"
#for node in self.model_part.Nodes:
#print node
#print "+++++++++++++++++++++++++++++++++++++++"
#the buffer size should be set up here after the mesh is read for the first time
self.model_part.SetBufferSize(2)
##################################################################
## ADD DOFS ######################################################
##################################################################
structural_solver_advanced.AddDofs(self.model_part)
structural_solver_advanced.AddDofs(self.model_part_post)
#ekate_solver_parallel.AddDofs( self.model_part )
##################################################################
## INITIALISE SOLVER FOR PARTICULAR SOLUTION #####################
##################################################################
#defining linear solver
plinear_solver = SkylineLUFactorizationSolver()
self.solver.structure_linear_solver = plinear_solver
self.solver.Initialize()
(self.solver.solver).SetEchoLevel(2)
#defined linear solver for post-processing
# self.solver_post = SkylineLUFactorizationSolver()
self.solver_post = SkylineLUFactorizationSolver()
def __init__(self, problem_name, path):
# setting the domain size for the problem to be solved
self.domain_size = 3
#
# DEFINE MODELPART ##############################################
#
self.model_part = ModelPart("ekate_simulation")
self.path = path
self.problem_name = problem_name
#
# DEFINE SOLVER #################################################
#
# reading simulation parameters
number_of_time_steps = 10
self.analysis_parameters = []
# content of analysis_parameters:
# perform_contact_analysis_flag
# penalty value for normal contact
# maximum number of uzawa iterations
# friction coefficient
# penalty value for frictional contact
# contact_double_check_flag
# contact_ramp_penalties_flag
# maximum penalty value for normal contact
# ramp criterion for normal contact
# ramp factor for normal contact
# maximum penalty value for frictional contact
# ramp criterion for frictional contact
# ramp factor for frictional contact
perform_contact_analysis_flag = False
penalty = 0.0
maxuzawa = 0.0
friction = 0.0
frictionpenalty = 0.0
contact_double_check_flag = False
contact_ramp_penalties_flag = False
maxpenalty = 0.0
rampcriterion = 0.0
rampfactor = 0.0
fricmaxpenalty = 0.0
fricrampcriterion = 0.0
fricrampfactor = 0.0
self.analysis_parameters.append(perform_contact_analysis_flag)
self.analysis_parameters.append(penalty)
self.analysis_parameters.append(maxuzawa)
self.analysis_parameters.append(friction)
self.analysis_parameters.append(frictionpenalty)
self.analysis_parameters.append(contact_double_check_flag)
self.analysis_parameters.append(contact_ramp_penalties_flag)
self.analysis_parameters.append(maxpenalty)
self.analysis_parameters.append(rampcriterion)
self.analysis_parameters.append(rampfactor)
self.analysis_parameters.append(fricmaxpenalty)
self.analysis_parameters.append(fricrampcriterion)
self.analysis_parameters.append(fricrampfactor)
# PrintSparsityInfoFlag
self.analysis_parameters.append(False)
abs_tol = 1e-06
# rel_tol = 0.0001
rel_tol = 1e-10
# generating solver
import structural_solver_advanced
self.solver = structural_solver_advanced.SolverAdvanced(self.model_part, self.domain_size, number_of_time_steps, self.analysis_parameters, abs_tol, rel_tol)
# import ekate_solver_parallel
# self.solver = ekate_solver_parallel.EkateSolver( self.model_part, self.domain_size, number_of_time_steps, self.analysis_parameters, abs_tol, rel_tol )
structural_solver_advanced.AddVariables(self.model_part)
# ekate_solver_parallel.AddVariables( self.model_part )
#
# READ MODELPART ################################################
#
# reading a model
write_deformed_flag = WriteDeformedMeshFlag.WriteUndeformed
write_elements = WriteConditionsFlag.WriteConditions
# write_elements = WriteConditionsFlag.WriteElementsOnly
post_mode = GiDPostMode.GiD_PostBinary
multi_file_flag = MultiFileFlag.MultipleFiles
self.gid_io = StructuralGidIO(self.path + self.problem_name, post_mode, multi_file_flag, write_deformed_flag, write_elements)
self.model_part_io = ModelPartIO(self.path + self.problem_name)
self.model_part_io.ReadModelPart(self.model_part)
self.meshWritten = False
# READ DEACTIVATION FILE ########################################
self.cond_file = open(self.path + self.problem_name + ".mdpa", 'r')
self.cond_activation_flags = []
for line in self.cond_file:
if "//ElementAssignment" in line:
val_set = line.split(' ')
self.model_part.Conditions[int(val_set[1])].SetValue(ACTIVATION_LEVEL, self.model_part.Elements[int(val_set[2])].GetValue(ACTIVATION_LEVEL))
# print( "assigning ACTIVATION_LEVEL of element: " +str(int(val_set[2])) + " to Condition: " + str(int(val_set[1])) + " as " + str(self.model_part.Elements[int(val_set[2])].GetValue(ACTIVATION_LEVEL)) )
print("input data read OK")
# print "+++++++++++++++++++++++++++++++++++++++"
# for node in self.model_part.Nodes:
# print node
# print "+++++++++++++++++++++++++++++++++++++++"
# the buffer size should be set up here after the mesh is read for the first time
self.model_part.SetBufferSize(2)
#
# ADD DOFS ######################################################
#
for node in self.model_part.Nodes:
node.AddDof(WATER_PRESSURE)
structural_solver_advanced.AddDofs(self.model_part)
# ekate_solver_parallel.AddDofs( self.model_part )
#
# INITIALISE SOLVER FOR PARTICULAR SOLUTION #####################
#
# defining linear solver
plinear_solver = MKLPardisoSolver()
# plinear_solver = ParallelMKLPardisoSolver()
self.solver.structure_linear_solver = plinear_solver
self.solver.Initialize()
(self.solver.solver).SetEchoLevel(2);