def test_add_group_elements(self):
"""
Add a node group, add elements to it. Verify that elements added
and elements in getGroupElements are the same.
"""
from femexamples.meshes.mesh_canticcx_tetra10 import create_elements
from femexamples.meshes.mesh_canticcx_tetra10 import create_nodes
fm = Fem.FemMesh()
control = create_nodes(fm)
if not control:
fcc_print("failed to create nodes")
control = create_elements(fm)
if not control:
fcc_print("failed to create elements")
# information
# fcc_print(fm)
elements_to_be_added = [
1, 2, 3, 4, 49, 64, 88, 100, 102, 188, 189, 190, 191
]
myid = fm.addGroup("mynodegroup", "Node")
# fcc_print(fm.getGroupElements(myid))
fm.addGroupElements(myid, elements_to_be_added)
elements_returned = list(fm.getGroupElements(myid)) # returns tuple
# fcc_print(elements_returned)
self.assertEqual(
elements_to_be_added,
elements_returned,
msg=("elements to be added {0} and elements returned {1} differ".
format(elements_to_be_added, elements_returned)))
def test_delete_groups(self):
"""
Adds a number of groups to FemMesh and deletes them
afterwards. Checks whether GroupCount is OK
"""
from femexamples.meshes.mesh_canticcx_tetra10 import create_elements
from femexamples.meshes.mesh_canticcx_tetra10 import create_nodes
fm = Fem.FemMesh()
control = create_nodes(fm)
if not control:
fcc_print("failed to create nodes")
control = create_elements(fm)
if not control:
fcc_print("failed to create elements")
# information
# fcc_print(fm)
old_group_count = fm.GroupCount
myids = []
for i in range(1000):
myids.append(fm.addGroup("group" + str(i), "Node"))
for grpid in myids:
fm.removeGroup(grpid)
new_group_count = fm.GroupCount
self.assertEqual(
old_group_count,
new_group_count,
msg=
("GroupCount before and after adding and deleting groups differ: {0} != {1}"
.format(old_group_count, new_group_count)))
def test_add_groups(self):
"""
Create different groups with different names. Check whether the
ids are correct, the names are correct, and whether the GroupCount is
correct.
"""
from femexamples.meshes.mesh_canticcx_tetra10 import create_elements
from femexamples.meshes.mesh_canticcx_tetra10 import create_nodes
fm = Fem.FemMesh()
control = create_nodes(fm)
if not control:
fcc_print("failed to create nodes")
control = create_elements(fm)
if not control:
fcc_print("failed to create elements")
# information
# fcc_print(fm)
expected_dict = {}
expected_dict["ids"] = []
expected_dict["names"] = [
"MyNodeGroup", "MyEdgeGroup", "MyVolumeGroup", "My0DElementGroup",
"MyBallGroup"
]
expected_dict["types"] = [
"Node", "Edge", "Volume", "0DElement", "Ball"
]
expected_dict["count"] = fm.GroupCount + 5
result_dict = {}
mygrpids = []
for (name, typ) in zip(expected_dict["names"], expected_dict["types"]):
mygrpids.append(fm.addGroup(name, typ))
expected_dict["ids"] = sorted(tuple(mygrpids))
# fcc_print("expected dict")
# fcc_print(expected_dict)
result_dict["count"] = fm.GroupCount
result_dict["ids"] = sorted(fm.Groups)
result_dict["types"] = list(
[fm.getGroupElementType(g) for g in fm.Groups])
result_dict["names"] = list([fm.getGroupName(g) for g in fm.Groups])
# fcc_print("result dict")
# fcc_print(result_dict)
self.assertEqual(expected_dict,
result_dict,
msg="expected: {0}\n\nresult: {1}\n\n differ".format(
expected_dict, result_dict))
def setup_cantileverbase(doc=None, solver="ccxtools"):
# setup CalculiX cantilever base model
if doc is None:
doc = init_doc()
# part
box_obj = doc.addObject("Part::Box", "Box")
box_obj.Height = box_obj.Width = 1000
box_obj.Length = 8000
# analysis
analysis = ObjectsFem.makeAnalysis(doc, "Analysis")
# solver
# TODO How to pass multiple solver for one analysis in one doc
if solver == "calculix":
solver_object = analysis.addObject(
ObjectsFem.makeSolverCalculix(doc, "SolverCalculiX")
)[0]
solver_object.AnalysisType = "static"
solver_object.GeometricalNonlinearity = "linear"
solver_object.ThermoMechSteadyState = False
solver_object.MatrixSolverType = "default"
solver_object.IterationsControlParameterTimeUse = False
elif solver == "ccxtools":
solver_object = analysis.addObject(
ObjectsFem.makeSolverCalculixCcxTools(doc, "CalculiXccxTools")
)[0]
solver_object.AnalysisType = "static"
solver_object.GeometricalNonlinearity = "linear"
solver_object.ThermoMechSteadyState = False
solver_object.MatrixSolverType = "default"
solver_object.IterationsControlParameterTimeUse = False
solver_object.WorkingDir = u""
elif solver == "elmer":
analysis.addObject(ObjectsFem.makeSolverElmer(doc, "SolverElmer"))
elif solver == "z88":
analysis.addObject(ObjectsFem.makeSolverZ88(doc, "SolverZ88"))
# material
material_object = analysis.addObject(
ObjectsFem.makeMaterialSolid(doc, "FemMaterial")
)[0]
mat = material_object.Material
mat["Name"] = "CalculiX-Steel"
mat["YoungsModulus"] = "210000 MPa"
mat["PoissonRatio"] = "0.30"
mat["Density"] = "7900 kg/m^3"
mat["ThermalExpansionCoefficient"] = "0.012 mm/m/K"
material_object.Material = mat
# fixed_constraint
fixed_constraint = analysis.addObject(
ObjectsFem.makeConstraintFixed(doc, name="ConstraintFixed")
)[0]
fixed_constraint.References = [(doc.Box, "Face1")]
# mesh
from femexamples.meshes.mesh_canticcx_tetra10 import create_nodes, create_elements
fem_mesh = Fem.FemMesh()
control = create_nodes(fem_mesh)
if not control:
FreeCAD.Console.PrintError("Error on creating nodes.\n")
control = create_elements(fem_mesh)
if not control:
FreeCAD.Console.PrintError("Error on creating elements.\n")
femmesh_obj = analysis.addObject(
doc.addObject("Fem::FemMeshObject", mesh_name)
)[0]
femmesh_obj.FemMesh = fem_mesh
doc.recompute()
return doc
def setup_cantileverbase(doc=None, solver='ccxtools'):
# setup CalculiX cantilever base model
if doc is None:
doc = init_doc()
# part
box_obj = doc.addObject('Part::Box', 'Box')
box_obj.Height = box_obj.Width = 1000
box_obj.Length = 8000
# analysis
analysis = ObjectsFem.makeAnalysis(doc, 'Analysis')
solver
# TODO How to pass multiple solver for one analysis in one doc
if solver is None:
pass # no solver is added
elif solver is 'calculix':
solver_object = analysis.addObject(
ObjectsFem.makeSolverCalculix(doc, 'SolverCalculiX'))[0]
solver_object.AnalysisType = 'static'
solver_object.GeometricalNonlinearity = 'linear'
solver_object.ThermoMechSteadyState = False
solver_object.MatrixSolverType = 'default'
solver_object.IterationsControlParameterTimeUse = False
elif solver is 'ccxtools':
solver_object = analysis.addObject(
ObjectsFem.makeSolverCalculixCcxTools(doc, 'CalculiXccxTools'))[0]
solver_object.AnalysisType = 'static'
solver_object.GeometricalNonlinearity = 'linear'
solver_object.ThermoMechSteadyState = False
solver_object.MatrixSolverType = 'default'
solver_object.IterationsControlParameterTimeUse = False
solver_object.WorkingDir = u''
elif solver is 'elmer':
analysis.addObject(ObjectsFem.makeSolverElmer(doc, 'SolverElmer'))
elif solver is 'z88':
analysis.addObject(ObjectsFem.makeSolverZ88(doc, 'SolverZ88'))
# material
material_object = analysis.addObject(
ObjectsFem.makeMaterialSolid(doc, 'FemMaterial'))[0]
mat = material_object.Material
mat['Name'] = "CalculiX-Steel"
mat['YoungsModulus'] = "210000 MPa"
mat['PoissonRatio'] = "0.30"
mat['Density'] = "7900 kg/m^3"
mat['ThermalExpansionCoefficient'] = "0.012 mm/m/K"
material_object.Material = mat
# fixed_constraint
fixed_constraint = analysis.addObject(
ObjectsFem.makeConstraintFixed(doc, name="ConstraintFixed"))[0]
fixed_constraint.References = [(doc.Box, "Face1")]
# mesh
from femexamples.meshes.mesh_canticcx_tetra10 import create_nodes, create_elements
fem_mesh = Fem.FemMesh()
control = create_nodes(fem_mesh)
if not control:
print('ERROR on creating nodes')
control = create_elements(fem_mesh)
if not control:
print('ERROR on creating elements')
femmesh_obj = analysis.addObject(
doc.addObject('Fem::FemMeshObject', mesh_name))[0]
femmesh_obj.FemMesh = fem_mesh
doc.recompute()
return doc
def setup_cantileverbase(doc=None, solver='ccxtools'):
# setup CalculiX cantilever base model
if doc is None:
doc = init_doc()
# part
box_obj = doc.addObject('Part::Box', 'Box')
box_obj.Height = box_obj.Width = 1000
box_obj.Length = 8000
# analysis
analysis = ObjectsFem.makeAnalysis(doc, 'Analysis')
solver
# TODO How to pass multiple solver for one analysis in one doc
if solver is None:
pass # no solver is added
elif solver is 'calculix':
solver_object = analysis.addObject(ObjectsFem.makeSolverCalculix(doc, 'SolverCalculiX'))[0]
solver_object.AnalysisType = 'static'
solver_object.GeometricalNonlinearity = 'linear'
solver_object.ThermoMechSteadyState = False
solver_object.MatrixSolverType = 'default'
solver_object.IterationsControlParameterTimeUse = False
elif solver is 'ccxtools':
solver_object = analysis.addObject(ObjectsFem.makeSolverCalculixCcxTools(doc, 'CalculiXccxTools'))[0]
solver_object.AnalysisType = 'static'
solver_object.GeometricalNonlinearity = 'linear'
solver_object.ThermoMechSteadyState = False
solver_object.MatrixSolverType = 'default'
solver_object.IterationsControlParameterTimeUse = False
solver_object.WorkingDir = u''
elif solver is 'elmer':
analysis.addObject(ObjectsFem.makeSolverElmer(doc, 'SolverElmer'))
elif solver is 'z88':
analysis.addObject(ObjectsFem.makeSolverZ88(doc, 'SolverZ88'))
# material
material_object = analysis.addObject(ObjectsFem.makeMaterialSolid(doc, 'FemMaterial'))[0]
mat = material_object.Material
mat['Name'] = "CalculiX-Steel"
mat['YoungsModulus'] = "210000 MPa"
mat['PoissonRatio'] = "0.30"
mat['Density'] = "7900 kg/m^3"
mat['ThermalExpansionCoefficient'] = "0.012 mm/m/K"
material_object.Material = mat
# fixed_constraint
fixed_constraint = analysis.addObject(ObjectsFem.makeConstraintFixed(doc, name="ConstraintFixed"))[0]
fixed_constraint.References = [(doc.Box, "Face1")]
# mesh
from femexamples.meshes.mesh_canticcx_tetra10 import create_nodes, create_elements
fem_mesh = Fem.FemMesh()
control = create_nodes(fem_mesh)
if not control:
print('ERROR on creating nodes')
control = create_elements(fem_mesh)
if not control:
print('ERROR on creating elements')
femmesh_obj = analysis.addObject(doc.addObject('Fem::FemMeshObject', mesh_name))[0]
femmesh_obj.FemMesh = fem_mesh
doc.recompute()
return doc