def checkResults(self):
with UnitTest.WorkFolderScope(self.work_folder, __file__):
if self.print_reference_values:
json_output_settings = KratosMultiphysics.Parameters(r'''{
"output_variables": ["TEMPERATURE"],
"output_file_name": "",
"model_part_name": "MainModelPart",
"time_frequency": 0.0
}''')
json_output_settings["output_file_name"].SetString(GetFilePath("BFECCConvectionTest/" + self.reference_file + "_results.json"))
json_output_process = JsonOutputProcess(self.model, json_output_settings)
json_output_process.ExecuteInitialize()
json_output_process.ExecuteBeforeSolutionLoop()
json_output_process.ExecuteFinalizeSolutionStep()
else:
json_check_parameters = KratosMultiphysics.Parameters(r'''{
"check_variables" : ["TEMPERATURE"],
"input_file_name" : "",
"model_part_name" : "MainModelPart",
"time_frequency" : 0.0
}''')
json_check_parameters["input_file_name"].SetString(GetFilePath("BFECCConvectionTest/" + self.reference_file + "_results.json"))
json_check_process = FromJsonCheckResultProcess(self.model, json_check_parameters)
json_check_process.ExecuteInitialize()
json_check_process.ExecuteBeforeSolutionLoop()
json_check_process.ExecuteFinalizeSolutionStep()
def __check_results(self, model, results_filename):
from_json_check_result_settings = KratosMultiphysics.Parameters(r"""
{
"check_variables": ["DISPLACEMENT_X","DISPLACEMENT_Y","VOLUMETRIC_STRAIN"],
"input_file_name": "",
"model_part_name": "cook_membrane.Parts_ResultsCheck"
}""")
from_json_check_result_settings["input_file_name"].SetString(
results_filename)
self.from_json_check_result = FromJsonCheckResultProcess(
model, from_json_check_result_settings)
self.from_json_check_result.ExecuteInitialize()
self.from_json_check_result.ExecuteFinalizeSolutionStep()
def RunJsonCheckProcess(model):
parameters = KM.Parameters("""
{
"check_variables" : ["SHAPE_CHANGE_X","SHAPE_CHANGE_Y","SHAPE_CHANGE_Z"],
"input_file_name" : "shape_change_results.json",
"model_part_name" : "structure.Parts_structure",
"time_frequency" : 0.0
}
""")
process = FromJsonCheckResultProcess(model, parameters)
process.ExecuteInitialize()
process.ExecuteBeforeSolutionLoop()
process.ExecuteFinalizeSolutionStep()
def _create_check_outputs(current_model):
from KratosMultiphysics.from_json_check_result_process import FromJsonCheckResultProcess
check_parameters = KratosMultiphysics.Parameters("""
{
"gauss_points_check_variables": ["VON_MISES_STRESS"],
"input_file_name" : "",
"time_frequency" : 0.01,
"model_part_name" : "solid_part",
"sub_model_part_name" : "Body"
}
""")
check_parameters["input_file_name"].SetString(GetFilePath("test_perfect_plasticity_implementation_verification_reference.json"))
check = FromJsonCheckResultProcess(current_model, check_parameters)
check.ExecuteInitialize()
check.ExecuteBeforeSolutionLoop()
return check
class TestCookMembrane(KratosUnittest.TestCase):
def setUp(self):
self.print_output = False
self.print_results = False
def test_cook_membrane_2d(self):
results_filename = "cook_membrane_test/cook_membrane_results.json"
parameters_filename = "cook_membrane_test/cook_membrane_parameters.json"
with open(parameters_filename, 'r') as parameter_file:
parameters = KratosMultiphysics.Parameters(parameter_file.read())
model = KratosMultiphysics.Model()
simulation = StructuralMechanicsAnalysis(model, parameters)
simulation.Run()
# self._check_results(model_part, A, b)
if self.print_results:
self.__print_results(model, results_filename)
if self.print_output:
self.__post_process(
model.GetModelPart(parameters["solver_settings"]
["model_part_name"].GetString()))
self.__check_results(model, results_filename)
def test_cook_membrane_incompressible_2d(self):
results_filename = "cook_membrane_test/cook_membrane_incompressible_results.json"
parameters_filename = "cook_membrane_test/cook_membrane_parameters.json"
with open(parameters_filename, 'r') as parameter_file:
parameters = KratosMultiphysics.Parameters(parameter_file.read())
parameters["solver_settings"]["material_import_settings"][
"materials_filename"].SetString(
"cook_membrane_test/cook_membrane_incompressible_materials.json"
)
model = KratosMultiphysics.Model()
simulation = StructuralMechanicsAnalysis(model, parameters)
simulation.Run()
# self._check_results(model_part, A, b)
if self.print_results:
self.__print_results(model, results_filename)
if self.print_output:
self.__post_process(
model.GetModelPart(parameters["solver_settings"]
["model_part_name"].GetString()))
self.__check_results(model, results_filename)
def __print_results(self, model, results_filename):
json_output_settings = KratosMultiphysics.Parameters(r"""
{
"output_variables": ["DISPLACEMENT_X","DISPLACEMENT_Y","VOLUMETRIC_STRAIN"],
"output_file_name": "",
"time_frequency": 0.00,
"model_part_name": "cook_membrane.Parts_ResultsCheck"
}""")
json_output_settings["output_file_name"].SetString(results_filename)
self.json_output = JsonOutputProcess(model, json_output_settings)
self.json_output.ExecuteInitialize()
self.json_output.ExecuteBeforeSolutionLoop()
self.json_output.ExecuteFinalizeSolutionStep()
def __check_results(self, model, results_filename):
from_json_check_result_settings = KratosMultiphysics.Parameters(r"""
{
"check_variables": ["DISPLACEMENT_X","DISPLACEMENT_Y","VOLUMETRIC_STRAIN"],
"input_file_name": "",
"model_part_name": "cook_membrane.Parts_ResultsCheck"
}""")
from_json_check_result_settings["input_file_name"].SetString(
results_filename)
self.from_json_check_result = FromJsonCheckResultProcess(
model, from_json_check_result_settings)
self.from_json_check_result.ExecuteInitialize()
self.from_json_check_result.ExecuteFinalizeSolutionStep()
def __post_process(self, main_model_part, post_type="gid"):
if post_type == "gid":
self.gid_output = GiDOutputProcess(
main_model_part, main_model_part.Name,
KratosMultiphysics.Parameters(r"""
{
"result_file_configuration" : {
"gidpost_flags": {
"GiDPostMode": "GiD_PostBinary",
"WriteDeformedMeshFlag": "WriteUndeformed",
"WriteConditionsFlag": "WriteConditions",
"MultiFileFlag": "SingleFile"
},
"nodal_results" : ["DISPLACEMENT","VOLUMETRIC_STRAIN"],
"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()
elif post_type == "vtk":
vtk_output_parameters = KratosMultiphysics.Parameters(r"""
{
"model_part_name": "",
"extrapolate_gauss_points": false,
"nodal_solution_step_data_variables" : ["DISPLACEMENT","VOLUMETRIC_STRAIN"],
"gauss_point_variables": []
}""")
vtk_output_parameters["model_part_name"].SetString(
main_model_part.Name)
self.vtk_output_process = VtkOutputProcess(
main_model_part.GetModel(), vtk_output_parameters)
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()
# "output_variables" : ["SHAPE_CHANGE_X","SHAPE_CHANGE_Y","SHAPE_CHANGE_Z"],
# "output_file_name" : "shape_change_results.json",
# "model_part_name" : \""""+optimization_model_part_name+"""\",
# "time_frequency" : 0.0
# }"""))
# output_process.ExecuteInitialize()
# output_process.ExecuteBeforeSolutionLoop()
# output_process.ExecuteInitializeSolutionStep()
# output_process.ExecuteFinalizeSolutionStep()
# output_process.ExecuteFinalize()
check_process = FromJsonCheckResultProcess(
model,
KM.Parameters("""{
"check_variables" : ["SHAPE_CHANGE_X","SHAPE_CHANGE_Y","SHAPE_CHANGE_Z"],
"input_file_name" : "shape_change_results.json",
"model_part_name" : \"""" + optimization_model_part_name + """\",
"time_frequency" : 0.0
}"""))
check_process.ExecuteInitialize()
check_process.ExecuteBeforeSolutionLoop()
check_process.ExecuteInitializeSolutionStep()
check_process.ExecuteFinalizeSolutionStep()
check_process.ExecuteFinalize()
# Cleaning
kratos_utilities.DeleteDirectoryIfExisting("__pycache__")
kratos_utilities.DeleteDirectoryIfExisting(output_directory)
kratos_utilities.DeleteFileIfExisting(
os.path.basename(os.getcwd()) + ".post.lst")
def test_remesh_sphere_skin(self):
KratosMultiphysics.Logger.GetDefaultOutput().SetSeverity(KratosMultiphysics.Logger.Severity.WARNING)
# We create the model part
current_model = KratosMultiphysics.Model()
main_model_part = current_model.CreateModelPart("MainModelPart")
main_model_part.ProcessInfo.SetValue(KratosMultiphysics.DOMAIN_SIZE, 3)
main_model_part.ProcessInfo.SetValue(KratosMultiphysics.TIME, 0.0)
main_model_part.ProcessInfo.SetValue(KratosMultiphysics.DELTA_TIME, 1.0)
#main_model_part.ProcessInfo.SetValue(KratosMultiphysics.STEP, 1)
# We add the variables needed
main_model_part.AddNodalSolutionStepVariable(KratosMultiphysics.DISTANCE)
# We import the model main_model_part
file_path = os.path.dirname(os.path.realpath(__file__))
KratosMultiphysics.ModelPartIO(file_path + "/mmg_eulerian_test/coarse_sphere_skin_test").ReadModelPart(main_model_part)
for node in main_model_part.Nodes:
node.SetSolutionStepValue(KratosMultiphysics.DISTANCE, abs(node.X))
# We calculate the gradient of the distance variable
KratosMultiphysics.VariableUtils().SetNonHistoricalVariable(KratosMultiphysics.NODAL_H, 0.0, main_model_part.Nodes)
find_nodal_h = KratosMultiphysics.FindNodalHNonHistoricalProcess(main_model_part)
find_nodal_h.Execute()
# We set to zero the metric
metric_vector = KratosMultiphysics.Vector(6)
metric_vector[0] = 1.0
metric_vector[1] = 1.0
metric_vector[2] = 1.0
metric_vector[3] = 0.0
metric_vector[4] = 0.0
metric_vector[5] = 0.0
for node in main_model_part.Nodes:
node.SetValue(MeshingApplication.METRIC_TENSOR_3D, metric_vector)
mmg_parameters = KratosMultiphysics.Parameters("""
{
"filename" : "mmg_eulerian_test/coarse_sphere_skin_test",
"save_external_files" : true,
"echo_level" : 0
}
""")
# We create the remeshing utility
mmg_parameters["filename"].SetString(file_path + "/" + mmg_parameters["filename"].GetString())
mmg_process = MeshingApplication.MmgProcess3DSurfaces(main_model_part, mmg_parameters)
# We remesh
mmg_process.Execute()
# Finally we export to GiD
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" : ["DISTANCE"]
}
}
""")
)
#gid_output.ExecuteInitialize()
#gid_output.ExecuteBeforeSolutionLoop()
#gid_output.ExecuteInitializeSolutionStep()
#gid_output.PrintOutput()
#gid_output.ExecuteFinalizeSolutionStep()
#gid_output.ExecuteFinalize()
check_parameters = KratosMultiphysics.Parameters("""
{
"reference_file_name" : "mmg_eulerian_test/coarse_sphere_skin_test_result.sol",
"output_file_name" : "mmg_eulerian_test/coarse_sphere_skin_test_step=0.sol",
"dimension" : 3,
"comparison_type" : "sol_file"
}
""")
check_parameters["reference_file_name"].SetString(file_path + "/" + check_parameters["reference_file_name"].GetString())
check_parameters["output_file_name"].SetString(file_path + "/" + check_parameters["output_file_name"].GetString())
check_files = CompareTwoFilesCheckProcess(check_parameters)
check_files.ExecuteInitialize()
check_files.ExecuteBeforeSolutionLoop()
check_files.ExecuteInitializeSolutionStep()
check_files.ExecuteFinalizeSolutionStep()
check_files.ExecuteFinalize()
check_parameters = KratosMultiphysics.Parameters("""
{
"check_variables" : ["DISTANCE"],
"input_file_name" : "mmg_eulerian_test/distante_extrapolation_skin",
"model_part_name" : "MainModelPart",
"time_frequency" : 0.0
}
""")
check_parameters["input_file_name"].SetString(os.path.join(file_path, check_parameters["input_file_name"].GetString()))
if mmg_process.GetMmgVersion() == "5.5":
check_parameters["input_file_name"].SetString(check_parameters["input_file_name"].GetString() + "_5_5.json")
else:
check_parameters["input_file_name"].SetString(check_parameters["input_file_name"].GetString() + ".json")
check = FromJsonCheckResultProcess(current_model, check_parameters)
check.ExecuteInitialize()
check.ExecuteBeforeSolutionLoop()
check.ExecuteFinalizeSolutionStep()
def test_remesh_sphere(self):
KratosMultiphysics.Logger.GetDefaultOutput().SetSeverity(
KratosMultiphysics.Logger.Severity.WARNING)
# We create the model part
current_model = KratosMultiphysics.Model()
main_model_part = current_model.CreateModelPart("MainModelPart")
main_model_part.ProcessInfo.SetValue(KratosMultiphysics.DOMAIN_SIZE, 3)
main_model_part.ProcessInfo.SetValue(KratosMultiphysics.TIME, 0.0)
main_model_part.ProcessInfo.SetValue(KratosMultiphysics.DELTA_TIME,
1.0)
#main_model_part.ProcessInfo.SetValue(KratosMultiphysics.STEP, 1)
# We add the variables needed
main_model_part.AddNodalSolutionStepVariable(
KratosMultiphysics.DISTANCE)
main_model_part.AddNodalSolutionStepVariable(
KratosMultiphysics.DISTANCE_GRADIENT)
# We import the model main_model_part
file_path = os.path.dirname(os.path.realpath(__file__))
KratosMultiphysics.ModelPartIO(file_path +
"/mmg_eulerian_test/coarse_sphere_test"
).ReadModelPart(main_model_part)
# We calculate the gradient of the distance variable
find_nodal_h = KratosMultiphysics.FindNodalHNonHistoricalProcess(
main_model_part)
find_nodal_h.Execute()
KratosMultiphysics.VariableUtils().SetNonHistoricalVariable(
KratosMultiphysics.NODAL_AREA, 0.0, main_model_part.Nodes)
local_gradient = KratosMultiphysics.ComputeNodalGradientProcess3D(
main_model_part, KratosMultiphysics.DISTANCE,
KratosMultiphysics.DISTANCE_GRADIENT,
KratosMultiphysics.NODAL_AREA)
local_gradient.Execute()
# We set to zero the metric
ZeroVector = KratosMultiphysics.Vector(6)
ZeroVector[0] = 0.0
ZeroVector[1] = 0.0
ZeroVector[2] = 0.0
ZeroVector[3] = 0.0
ZeroVector[4] = 0.0
ZeroVector[5] = 0.0
for node in main_model_part.Nodes:
node.SetValue(MeshingApplication.METRIC_TENSOR_3D, ZeroVector)
# We define a metric using the ComputeLevelSetSolMetricProcess
MetricParameters = KratosMultiphysics.Parameters("""
{
"minimal_size" : 1.0e-1,
"enforce_current" : false,
"anisotropy_remeshing" : false,
"anisotropy_parameters" :{
"hmin_over_hmax_anisotropic_ratio" : 0.15,
"boundary_layer_max_distance" : 1.0e-4,
"interpolation" : "Linear"
}
}
""")
metric_process = MeshingApplication.ComputeLevelSetSolMetricProcess3D(
main_model_part, KratosMultiphysics.DISTANCE_GRADIENT,
MetricParameters)
metric_process.Execute()
mmg_parameters = KratosMultiphysics.Parameters("""
{
"filename" : "mmg_eulerian_test/coarse_sphere_test",
"save_external_files" : true,
"echo_level" : 0
}
""")
# We create the remeshing utility
mmg_parameters["filename"].SetString(
file_path + "/" + mmg_parameters["filename"].GetString())
mmg_process = MeshingApplication.MmgProcess3D(main_model_part,
mmg_parameters)
# We remesh
mmg_process.Execute()
# Finally we export to GiD
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" : ["DISTANCE"]
}
}
"""))
#gid_output.ExecuteInitialize()
#gid_output.ExecuteBeforeSolutionLoop()
#gid_output.ExecuteInitializeSolutionStep()
#gid_output.PrintOutput()
#gid_output.ExecuteFinalizeSolutionStep()
#gid_output.ExecuteFinalize()
check_parameters = KratosMultiphysics.Parameters("""
{
"reference_file_name" : "mmg_eulerian_test/coarse_sphere_test_result.sol",
"output_file_name" : "mmg_eulerian_test/coarse_sphere_test_step=0.sol",
"dimension" : 3,
"comparison_type" : "sol_file"
}
""")
check_parameters["reference_file_name"].SetString(
file_path + "/" +
check_parameters["reference_file_name"].GetString())
check_parameters["output_file_name"].SetString(
file_path + "/" + check_parameters["output_file_name"].GetString())
check_files = CompareTwoFilesCheckProcess(check_parameters)
check_files.ExecuteInitialize()
check_files.ExecuteBeforeSolutionLoop()
check_files.ExecuteInitializeSolutionStep()
check_files.ExecuteFinalizeSolutionStep()
check_files.ExecuteFinalize()
check_parameters = KratosMultiphysics.Parameters("""
{
"check_variables" : ["DISTANCE"],
"input_file_name" : "mmg_eulerian_test/distante_extrapolation.json",
"model_part_name" : "MainModelPart",
"time_frequency" : 0.0
}
""")
check_parameters["input_file_name"].SetString(
file_path + "/" + check_parameters["input_file_name"].GetString())
check = FromJsonCheckResultProcess(current_model, check_parameters)
check.ExecuteInitialize()
check.ExecuteBeforeSolutionLoop()
check.ExecuteFinalizeSolutionStep()