def setup(doc=None, solvertype="ccxtools"):
# setup model
if doc is None:
doc = init_doc()
# geometry objects
# two boxes
boxlow = doc.addObject("Part::Box", "BoxLower")
boxupp = doc.addObject("Part::Box", "BoxUpper")
boxupp.Placement.Base = (0, 0, 10)
# boolean fragment of the two boxes
bf = SplitFeatures.makeBooleanFragments(name="BooleanFragments")
bf.Objects = [boxlow, boxupp]
bf.Mode = "CompSolid"
doc.recompute()
bf.Proxy.execute(bf)
bf.purgeTouched()
if FreeCAD.GuiUp:
for child in bf.ViewObject.Proxy.claimChildren():
child.ViewObject.hide()
doc.recompute()
# extract CompSolid by compound filter tool
geom_obj = CompoundFilter.makeCompoundFilter(name="MultiMatCompSolid")
geom_obj.Base = bf
geom_obj.FilterType = "window-volume"
geom_obj.Proxy.execute(geom_obj)
geom_obj.purgeTouched()
if FreeCAD.GuiUp:
geom_obj.Base.ViewObject.hide()
doc.recompute()
if FreeCAD.GuiUp:
geom_obj.ViewObject.Document.activeView().viewAxonometric()
geom_obj.ViewObject.Document.activeView().fitAll()
# analysis
analysis = ObjectsFem.makeAnalysis(doc, "Analysis")
# solver
if solvertype == "calculix":
solver_object = analysis.addObject(
ObjectsFem.makeSolverCalculix(doc, "SolverCalculiX"))[0]
elif solvertype == "ccxtools":
solver_object = analysis.addObject(
ObjectsFem.makeSolverCalculixCcxTools(doc, "CalculiXccxTools"))[0]
solver_object.WorkingDir = u""
if solvertype == "calculix" or solvertype == "ccxtools":
solver_object.SplitInputWriter = False
solver_object.AnalysisType = "static"
solver_object.GeometricalNonlinearity = "linear"
solver_object.ThermoMechSteadyState = False
solver_object.MatrixSolverType = "default"
solver_object.IterationsControlParameterTimeUse = False
# material
material_object_low = analysis.addObject(
ObjectsFem.makeMaterialSolid(doc, "MechanicalMaterialLow"))[0]
mat = material_object_low.Material
mat["Name"] = "Aluminium-Generic"
mat["YoungsModulus"] = "70000 MPa"
mat["PoissonRatio"] = "0.35"
mat["Density"] = "2700 kg/m^3"
material_object_low.Material = mat
material_object_low.References = [(boxlow, "Solid1")]
analysis.addObject(material_object_low)
material_object_upp = analysis.addObject(
ObjectsFem.makeMaterialSolid(doc, "MechanicalMaterialUpp"))[0]
mat = material_object_upp.Material
mat["Name"] = "Steel-Generic"
mat["YoungsModulus"] = "200000 MPa"
mat["PoissonRatio"] = "0.30"
mat["Density"] = "7980 kg/m^3"
material_object_upp.Material = mat
material_object_upp.References = [(boxupp, "Solid1")]
# fixed_constraint
fixed_constraint = analysis.addObject(
ObjectsFem.makeConstraintFixed(doc, "ConstraintFixed"))[0]
fixed_constraint.References = [(geom_obj, "Face5")]
# pressure_constraint
pressure_constraint = analysis.addObject(
ObjectsFem.makeConstraintPressure(doc, "ConstraintPressure"))[0]
pressure_constraint.References = [(geom_obj, "Face11")]
pressure_constraint.Pressure = 1000.0
pressure_constraint.Reversed = False
# mesh
from .meshes.mesh_boxes_2_vertikal_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(ObjectsFem.makeMeshGmsh(doc,
mesh_name))[0]
femmesh_obj.FemMesh = fem_mesh
femmesh_obj.Part = geom_obj
femmesh_obj.SecondOrderLinear = False
doc.recompute()
return doc
def setup(doc=None, solvertype="ccxtools"):
# setup model
if doc is None:
doc = init_doc()
# geom objects
# bottom box
bottom_box_obj = doc.addObject("Part::Box", "BottomBox")
bottom_box_obj.Length = 100
bottom_box_obj.Width = 5
bottom_box_obj.Height = 1
# top box
top_box_obj = doc.addObject("Part::Box", "TopBox")
top_box_obj.Length = 100
top_box_obj.Width = 5
top_box_obj.Height = 1
top_box_obj.Placement = FreeCAD.Placement(
Vector(0, 0, 1),
Rotation(0, 0, 0),
Vector(0, 0, 0),
)
doc.recompute()
# all geom boolean fragment
geom_obj = SplitFeatures.makeBooleanFragments(name='BooleanFragments')
geom_obj.Objects = [bottom_box_obj, top_box_obj]
if FreeCAD.GuiUp:
bottom_box_obj.ViewObject.hide()
top_box_obj.ViewObject.hide()
doc.recompute()
if FreeCAD.GuiUp:
geom_obj.ViewObject.Document.activeView().viewAxonometric()
geom_obj.ViewObject.Document.activeView().fitAll()
# analysis
analysis = ObjectsFem.makeAnalysis(doc, "Analysis")
# solver
if solvertype == "calculix":
solver_object = analysis.addObject(
ObjectsFem.makeSolverCalculix(doc, "SolverCalculiX"))[0]
elif solvertype == "ccxtools":
solver_object = analysis.addObject(
ObjectsFem.makeSolverCalculixCcxTools(doc, "CalculiXccxTools"))[0]
solver_object.WorkingDir = u""
elif solvertype == "elmer":
solver_object = analysis.addObject(
ObjectsFem.makeSolverElmer(doc, "SolverElmer"))[0]
solver_object.SteadyStateMinIterations = 1
solver_object.SteadyStateMaxIterations = 10
eq_heat = ObjectsFem.makeEquationHeat(doc, solver_object)
eq_heat.Bubbles = True
eq_heat.Priority = 2
eq_elasticity = ObjectsFem.makeEquationElasticity(doc, solver_object)
eq_elasticity.Bubbles = True
eq_elasticity.Priority = 1
eq_elasticity.LinearSolverType = "Direct"
else:
FreeCAD.Console.PrintWarning(
"Not known or not supported solver type: {}. "
"No solver object was created.\n".format(solvertype))
if solvertype == "calculix" or solvertype == "ccxtools":
solver_object.AnalysisType = "thermomech"
solver_object.GeometricalNonlinearity = "linear"
solver_object.ThermoMechSteadyState = True
# solver_object.MatrixSolverType = "default"
solver_object.MatrixSolverType = "spooles" # thomas
solver_object.SplitInputWriter = False
solver_object.IterationsThermoMechMaximum = 2000
# solver_object.IterationsControlParameterTimeUse = True # thermomech spine
# material
material_obj_bottom = analysis.addObject(
ObjectsFem.makeMaterialSolid(doc, "MaterialCopper"))[0]
mat = material_obj_bottom.Material
mat["Name"] = "Copper"
mat["YoungsModulus"] = "130000 MPa"
mat["PoissonRatio"] = "0.354"
mat["SpecificHeat"] = "385 J/kg/K"
mat["ThermalConductivity"] = "200 W/m/K"
mat["ThermalExpansionCoefficient"] = "0.00002 m/m/K"
mat["Density"] = "1.00 kg/m^3"
material_obj_bottom.Material = mat
material_obj_bottom.References = [(geom_obj, "Solid1")]
analysis.addObject(material_obj_bottom)
material_obj_top = analysis.addObject(
ObjectsFem.makeMaterialSolid(doc, "MaterialInvar"))[0]
mat = material_obj_top.Material
mat["Name"] = "Invar"
mat["YoungsModulus"] = "137000 MPa"
mat["PoissonRatio"] = "0.28"
mat["SpecificHeat"] = "510 J/kg/K"
mat["ThermalConductivity"] = "13 W/m/K"
mat["ThermalExpansionCoefficient"] = "0.0000012 m/m/K"
mat["Density"] = "1.00 kg/m^3"
material_obj_top.Material = mat
material_obj_top.References = [(geom_obj, "Solid2")]
analysis.addObject(material_obj_top)
# constraint fixed
con_fixed = analysis.addObject(
ObjectsFem.makeConstraintFixed(doc, "ConstraintFixed"))[0]
con_fixed.References = [
(geom_obj, "Face1"),
(geom_obj, "Face7"),
]
# constraint initial temperature
constraint_initialtemp = analysis.addObject(
ObjectsFem.makeConstraintInitialTemperature(
doc, "ConstraintInitialTemperature"))[0]
constraint_initialtemp.initialTemperature = 273.0
# constraint temperature
constraint_temperature = analysis.addObject(
ObjectsFem.makeConstraintTemperature(doc, "ConstraintTemperature"))[0]
constraint_temperature.References = [
(geom_obj, "Face1"),
(geom_obj, "Face2"),
(geom_obj, "Face3"),
(geom_obj, "Face4"),
(geom_obj, "Face5"),
(geom_obj, "Face7"),
(geom_obj, "Face8"),
(geom_obj, "Face9"),
(geom_obj, "Face10"),
(geom_obj, "Face11"),
]
constraint_temperature.Temperature = 373.0
constraint_temperature.CFlux = 0.0
# mesh
from .meshes.mesh_thermomech_bimetall_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(ObjectsFem.makeMeshGmsh(doc,
mesh_name))[0]
femmesh_obj.FemMesh = fem_mesh
femmesh_obj.Part = geom_obj
femmesh_obj.SecondOrderLinear = False
doc.recompute()
return doc
def setup(doc=None, solvertype="ccxtools"):
# setup model
if doc is None:
doc = init_doc()
# geometry objects
# TODO turn circle of upper tube to have the line on the other side
# make a boolean fragment of them to be sure there is a mesh point on remesh
# but as long as we do not remesh it works without the boolean fragment too
# tubes
tube_radius = 25
tube_length = 500
sh_lower_circle = Part.Wire(Part.makeCircle(tube_radius))
sh_lower_tube = sh_lower_circle.extrude(FreeCAD.Vector(0, 0, tube_length))
sh_lower_tube.reverse()
lower_tube = doc.addObject("Part::Feature", "Lower_tube")
lower_tube.Shape = sh_lower_tube
sh_upper_circle = Part.Wire(Part.makeCircle(tube_radius))
sh_upper_tube = sh_upper_circle.extrude(FreeCAD.Vector(0, 0, tube_length))
sh_upper_tube.reverse()
upper_tube = doc.addObject("Part::Feature", "Upper_tube")
upper_tube.Shape = sh_upper_tube
upper_tube.Placement = FreeCAD.Placement(
FreeCAD.Vector(-25, 51, 475),
FreeCAD.Rotation(90, 0, 90),
FreeCAD.Vector(0, 0, 0),
)
# point for load
v_force_pt = FreeCAD.Vector(0, 76, 475)
sh_force_point = Part.Vertex(v_force_pt)
force_point = doc.addObject("Part::Feature", "Load_place_point")
force_point.Shape = sh_force_point
if FreeCAD.GuiUp:
force_point.ViewObject.PointSize = 10.0
force_point.ViewObject.PointColor = (1.0, 0.0, 0.0)
# boolean fragment of upper tubo and force point
boolfrag = SplitFeatures.makeBooleanFragments(name='BooleanFragments')
boolfrag.Objects = [upper_tube, force_point]
if FreeCAD.GuiUp:
upper_tube.ViewObject.hide()
# compound out of bool frag and lower tube
geom_obj = doc.addObject("Part::Compound", "AllGeomCompound")
geom_obj.Links = [boolfrag, lower_tube]
# line for load direction
sh_load_line = Part.makeLine(v_force_pt, FreeCAD.Vector(0, 150, 475))
load_line = doc.addObject("Part::Feature", "Load_direction_line")
load_line.Shape = sh_load_line
if FreeCAD.GuiUp:
load_line.ViewObject.LineWidth = 5.0
load_line.ViewObject.LineColor = (1.0, 0.0, 0.0)
doc.recompute()
if FreeCAD.GuiUp:
geom_obj.ViewObject.Document.activeView().viewAxonometric()
geom_obj.ViewObject.Document.activeView().fitAll()
# analysis
analysis = ObjectsFem.makeAnalysis(doc, "Analysis")
# solver
if solvertype == "calculix":
solver_object = analysis.addObject(
ObjectsFem.makeSolverCalculix(doc, "SolverCalculiX"))[0]
elif solvertype == "ccxtools":
solver_object = analysis.addObject(
ObjectsFem.makeSolverCalculixCcxTools(doc, "CalculiXccxTools"))[0]
solver_object.WorkingDir = u""
if solvertype == "calculix" or solvertype == "ccxtools":
solver_object.AnalysisType = "static"
solver_object.BeamShellResultOutput3D = True
solver_object.GeometricalNonlinearity = "linear" # really?
# TODO iterations parameter !!!
solver_object.ThermoMechSteadyState = False
solver_object.MatrixSolverType = "default"
solver_object.IterationsControlParameterTimeUse = False
solver_object.SplitInputWriter = False
# shell thickness
analysis.addObject(
ObjectsFem.makeElementGeometry2D(doc, 0.5, 'ShellThickness'))
# material
material_obj = analysis.addObject(
ObjectsFem.makeMaterialSolid(doc, "MechanicalMaterial"))[0]
mat = material_obj.Material
mat["Name"] = "AlCuMgPb"
mat["YoungsModulus"] = "72000 MPa"
mat["PoissonRatio"] = "0.30"
material_obj.Material = mat
analysis.addObject(material_obj)
# fixed_constraint
fixed_constraint = analysis.addObject(
ObjectsFem.makeConstraintFixed(doc, "ConstraintFixed"))[0]
fixed_constraint.References = [
(lower_tube, "Edge2"),
(upper_tube, "Edge3"),
]
# force_constraint
force_constraint = doc.Analysis.addObject(
ObjectsFem.makeConstraintForce(doc, name="ConstraintForce"))[0]
# TODO use point of tube boolean fragment
force_constraint.References = [(force_point, "Vertex1")]
force_constraint.Force = 5000.0
force_constraint.Direction = (load_line, ["Edge1"])
force_constraint.Reversed = True
# contact constraint
contact_constraint = doc.Analysis.addObject(
ObjectsFem.makeConstraintContact(doc, name="ConstraintContact"))[0]
contact_constraint.References = [
(lower_tube, "Face1"),
(upper_tube, "Face1"),
]
contact_constraint.Friction = 0.0
# contact_constrsh_aint.Slope = "1000000.0 kg/(mm*s^2)" # contact stiffness
contact_constraint.Slope = 1000000.0 # should be 1000000.0 kg/(mm*s^2)
# mesh
from .meshes.mesh_contact_tube_tube_tria3 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(ObjectsFem.makeMeshGmsh(doc,
mesh_name))[0]
femmesh_obj.FemMesh = fem_mesh
femmesh_obj.Part = geom_obj
femmesh_obj.SecondOrderLinear = False
doc.recompute()
return doc
def setup(doc=None, solvertype="ccxtools"):
# setup model
if doc is None:
doc = init_doc()
# geometry objects
# cones cut
cone_outer_sh = Part.makeCone(1100, 1235, 1005, Vector(0, 0, 0),
Vector(0, 0, 1), 359)
cone_inner_sh = Part.makeCone(1050, 1185, 1005, Vector(0, 0, 0),
Vector(0, 0, 1), 359)
cone_cut_sh = cone_outer_sh.cut(cone_inner_sh)
cone_cut_obj = doc.addObject("Part::Feature", "Cone_Cut")
cone_cut_obj.Shape = cone_cut_sh
# lines
line_fix_sh = Part.Edge(
Part.LineSegment(Vector(0, -1235, 1005), Vector(0, -1185, 1005)))
line_fix_obj = doc.addObject("Part::Feature", "Line_Fix")
line_fix_obj.Shape = line_fix_sh
line_force_sh = Part.Edge(
Part.LineSegment(Vector(0, 1185, 1005), Vector(0, 1235, 1005)))
line_force_obj = doc.addObject("Part::Feature", "Line_Force")
line_force_obj.Shape = line_force_sh
geom_obj = SplitFeatures.makeBooleanFragments(name='BooleanFragments')
geom_obj.Objects = [cone_cut_obj, line_fix_obj, line_force_obj]
if FreeCAD.GuiUp:
cone_cut_obj.ViewObject.hide()
line_fix_obj.ViewObject.hide()
line_force_obj.ViewObject.hide()
doc.recompute()
if FreeCAD.GuiUp:
geom_obj.ViewObject.Document.activeView().viewAxonometric()
geom_obj.ViewObject.Document.activeView().fitAll()
# analysis
analysis = ObjectsFem.makeAnalysis(doc, "Analysis")
# solver
if solvertype == "calculix":
solver_object = analysis.addObject(
ObjectsFem.makeSolverCalculix(doc, "SolverCalculiX"))[0]
elif solvertype == "ccxtools":
solver_object = analysis.addObject(
ObjectsFem.makeSolverCalculixCcxTools(doc, "CalculiXccxTools"))[0]
solver_object.WorkingDir = u""
else:
FreeCAD.Console.PrintWarning(
"Not known or not supported solver type: {}. "
"No solver object was created.\n".format(solvertype))
if solvertype == "calculix" or solvertype == "ccxtools":
solver_object.AnalysisType = "static"
solver_object.GeometricalNonlinearity = "linear"
solver_object.ThermoMechSteadyState = False
solver_object.MatrixSolverType = "default"
solver_object.IterationsControlParameterTimeUse = False
solver_object.SplitInputWriter = False
# material
material_obj = analysis.addObject(
ObjectsFem.makeMaterialSolid(doc, "MechanicalMaterial"))[0]
mat = material_obj.Material
mat["Name"] = "Calculix-Steel"
mat["YoungsModulus"] = "210000 MPa"
mat["PoissonRatio"] = "0.30"
material_obj.Material = mat
analysis.addObject(material_obj)
# constraint fixed
con_fixed = analysis.addObject(
ObjectsFem.makeConstraintFixed(doc, "ConstraintFixed"))[0]
con_fixed.References = [(geom_obj, "Edge1")]
# constraint force
con_force = doc.Analysis.addObject(
ObjectsFem.makeConstraintForce(doc, name="ConstraintForce"))[0]
con_force.References = [(geom_obj, "Edge2")]
con_force.Force = 10000.0 # 10000 N = 10 kN
con_force.Direction = (geom_obj, ["Edge2"])
con_force.Reversed = False
# constraint tie
con_tie = doc.Analysis.addObject(
ObjectsFem.makeConstraintTie(doc, name="ConstraintTie"))[0]
con_tie.References = [
(geom_obj, "Face5"),
(geom_obj, "Face7"),
]
con_tie.Tolerance = 25.0
# mesh
from .meshes.mesh_constraint_tie_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(ObjectsFem.makeMeshGmsh(doc,
mesh_name))[0]
femmesh_obj.FemMesh = fem_mesh
femmesh_obj.Part = geom_obj
femmesh_obj.SecondOrderLinear = False
doc.recompute()
return doc
def Activated(self):
try:
# Save object name that will be divided.
selection = Gui.Selection.getSelectionEx()
if (len(selection) < 1):
# An object must be selected
errMessage = "Select an object to use Split Tool"
faced.getInfo(selection).errorDialog(errMessage)
return
shape = selection[0].Object.Shape
bb = shape.BoundBox
length = max(bb.XLength, bb.YLength, bb.ZLength)
nameOfselectedObject = selection[0].ObjectName
totalName = nameOfselectedObject + '_cs'
""" slow function . . you need to use wait before getting
the answer as the execution is continuing down """
Gui.runCommand('Part_CrossSections', 0)
gcompund = App.ActiveDocument.addObject("Part::Compound",
"Compound")
App.ActiveDocument.recompute()
# get object name
# We need this delay to let user choose the split form. And
getExtrude_cs = None # Dummy variable used to wait for the Extrude_cs be made
while (getExtrude_cs is None):
getExtrude_cs = App.ActiveDocument.getObject(totalName)
_sleep(.1)
Gui.updateGui()
# Begin command Part_Compound
gcompund.Links = [
getExtrude_cs,
]
# Begin command Part_BooleanFragments
j = SPLIT.makeBooleanFragments(name='BooleanFragments')
j.Objects = [
gcompund,
App.ActiveDocument.getObject(nameOfselectedObject)
]
j.Mode = 'Standard'
j.Proxy.execute(j)
j.purgeTouched()
App.ActiveDocument.recompute()
if j.isValid() == False:
App.ActiveDocument.removeObject(j.Name)
# Shape is not OK
errMessage = "Failed to fillet the objects"
faced.getInfo(selection).errorDialog(errMessage)
else:
# Make a simple copy
newShape = Part.getShape(j,
'',
needSubElement=False,
refine=False)
NewJ = App.ActiveDocument.addObject(
'Part::Feature', 'SplitedObject').Shape = newShape
# Remove Old objects
for obj in j.Objects:
App.ActiveDocument.removeObject(obj.Name)
App.ActiveDocument.removeObject(totalName)
App.ActiveDocument.removeObject(j.Name)
App.ActiveDocument.recompute()
except Exception as err:
App.Console.PrintError("'SplitObject' Failed. "
"{err}\n".format(err=str(err)))
exc_type, exc_obj, exc_tb = sys.exc_info()
fname = os.path.split(exc_tb.tb_frame.f_code.co_filename)[1]
print(exc_type, fname, exc_tb.tb_lineno)
def setup(doc=None, solvertype="ccxtools"):
# init FreeCAD document
if doc is None:
doc = init_doc()
# explanation object
# just keep the following line and change text string in get_explanation method
manager.add_explanation_obj(
doc, get_explanation(manager.get_header(get_information())))
# geometric object
plate = doc.addObject("Part::Plane", "Plate")
plate.Width = 10
plate.Length = 10
force_pt1 = doc.addObject("Part::Vertex", "ForcePT1")
force_pt1.X = 10
force_pt1.Y = 2
force_pt2 = doc.addObject("Part::Vertex", "ForcePT2")
force_pt2.X = 10
force_pt2.Y = 4
force_pt3 = doc.addObject("Part::Vertex", "ForcePT3")
force_pt3.X = 10
force_pt3.Y = 6
force_pt4 = doc.addObject("Part::Vertex", "ForcePT4")
force_pt4.X = 10
force_pt4.Y = 8
doc.recompute()
# all geom boolean fragment
geom_obj = SplitFeatures.makeBooleanFragments(name='ThePointPlate')
geom_obj.Objects = [plate, force_pt1, force_pt2, force_pt3, force_pt4]
doc.recompute()
if FreeCAD.GuiUp:
plate.ViewObject.hide()
force_pt1.ViewObject.hide()
force_pt2.ViewObject.hide()
force_pt3.ViewObject.hide()
force_pt4.ViewObject.hide()
doc.recompute()
if FreeCAD.GuiUp:
geom_obj.ViewObject.PointSize = 10
geom_obj.ViewObject.Document.activeView().viewAxonometric()
geom_obj.ViewObject.Document.activeView().fitAll()
# analysis
analysis = ObjectsFem.makeAnalysis(doc, "Analysis")
# solver
if solvertype == "calculix":
solver_obj = ObjectsFem.makeSolverCalculix(doc, "SolverCalculiX")
elif solvertype == "ccxtools":
solver_obj = ObjectsFem.makeSolverCalculixCcxTools(
doc, "CalculiXccxTools")
solver_obj.WorkingDir = u""
elif solvertype == "elmer":
solver_obj = ObjectsFem.makeSolverElmer(doc, "SolverElmer")
ObjectsFem.makeEquationElasticity(doc, solver_obj)
elif solvertype == "mystran":
solver_obj = ObjectsFem.makeSolverMystran(doc, "SolverMystran")
elif solvertype == "z88":
solver_obj = ObjectsFem.makeSolverZ88(doc, "SolverZ88")
else:
FreeCAD.Console.PrintWarning(
"Not known or not supported solver type: {}. "
"No solver object was created.\n".format(solvertype))
if solvertype == "calculix" or solvertype == "ccxtools":
solver_obj.SplitInputWriter = False
solver_obj.AnalysisType = "static"
solver_obj.GeometricalNonlinearity = "linear"
solver_obj.ThermoMechSteadyState = False
solver_obj.MatrixSolverType = "default"
solver_obj.IterationsControlParameterTimeUse = False
analysis.addObject(solver_obj)
# shell thickness
thickness_obj = ObjectsFem.makeElementGeometry2D(doc, 0.3, 'Thickness')
analysis.addObject(thickness_obj)
# material
material_obj = ObjectsFem.makeMaterialSolid(doc, "FemMaterial")
mat = material_obj.Material
mat["Name"] = "CalculiX-Steel"
mat["YoungsModulus"] = "210000 MPa"
mat["PoissonRatio"] = "0.30"
material_obj.Material = mat
analysis.addObject(material_obj)
# constraint fixed
con_fixed = ObjectsFem.makeConstraintFixed(doc, "ConstraintFixed")
con_fixed.References = [(geom_obj, "Edge1")]
analysis.addObject(con_fixed)
# constraint force
con_force = ObjectsFem.makeConstraintForce(doc, "ConstraintForce")
con_force.References = [
(geom_obj, "Vertex7"),
(geom_obj, "Vertex1"),
(geom_obj, "Vertex2"),
(geom_obj, "Vertex3"),
(geom_obj, "Vertex4"),
(geom_obj, "Vertex8"),
]
con_force.Force = 600 # 600 N on six nodes == 100 N/Node
con_force.Reversed = False
con_force.Direction = (geom_obj, ["Edge2"])
analysis.addObject(con_force)
# mesh
from .meshes.mesh_plate_mystran_quad4 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(
ObjectsFem.makeMeshGmsh(doc, get_meshname()))[0]
femmesh_obj.FemMesh = fem_mesh
femmesh_obj.Part = geom_obj
femmesh_obj.SecondOrderLinear = False
femmesh_obj.CharacteristicLengthMax = "1.0 mm"
femmesh_obj.ElementDimension = "2D"
femmesh_obj.ElementOrder = "1st"
doc.recompute()
return doc
def setup(doc=None, solvertype="ccxtools"):
# init FreeCAD document
if doc is None:
doc = init_doc()
# explanation object
# just keep the following line and change text string in get_explanation method
manager.add_explanation_obj(doc, get_explanation(manager.get_header(get_information())))
# geometric objects
# two boxes
boxlow = doc.addObject("Part::Box", "BoxLower")
boxupp = doc.addObject("Part::Box", "BoxUpper")
boxupp.Placement.Base = (0, 0, 10)
# boolean fragment of the two boxes
bf = SplitFeatures.makeBooleanFragments(name="BooleanFragments")
bf.Objects = [boxlow, boxupp]
bf.Mode = "CompSolid"
doc.recompute()
bf.Proxy.execute(bf)
bf.purgeTouched()
doc.recompute()
if FreeCAD.GuiUp:
for child in bf.ViewObject.Proxy.claimChildren():
child.ViewObject.hide()
# extract CompSolid by compound filter tool
geom_obj = CompoundFilter.makeCompoundFilter(name="MultiMatCompSolid")
geom_obj.Base = bf
geom_obj.FilterType = "window-volume"
geom_obj.Proxy.execute(geom_obj)
geom_obj.purgeTouched()
if FreeCAD.GuiUp:
bf.ViewObject.hide()
doc.recompute()
if FreeCAD.GuiUp:
geom_obj.ViewObject.Document.activeView().viewAxonometric()
geom_obj.ViewObject.Document.activeView().fitAll()
# analysis
analysis = ObjectsFem.makeAnalysis(doc, "Analysis")
# solver
if solvertype == "calculix":
solver_obj = ObjectsFem.makeSolverCalculix(doc, "SolverCalculiX")
elif solvertype == "ccxtools":
solver_obj = ObjectsFem.makeSolverCalculixCcxTools(doc, "CalculiXccxTools")
solver_obj.WorkingDir = u""
else:
FreeCAD.Console.PrintWarning(
"Not known or not supported solver type: {}. "
"No solver object was created.\n".format(solvertype)
)
if solvertype == "calculix" or solvertype == "ccxtools":
solver_obj.SplitInputWriter = False
solver_obj.AnalysisType = "static"
solver_obj.GeometricalNonlinearity = "linear"
solver_obj.ThermoMechSteadyState = False
solver_obj.MatrixSolverType = "default"
solver_obj.IterationsControlParameterTimeUse = False
analysis.addObject(solver_obj)
# materials
material_obj_low = ObjectsFem.makeMaterialSolid(doc, "MechanicalMaterialLow")
mat = material_obj_low.Material
mat["Name"] = "Aluminium-Generic"
mat["YoungsModulus"] = "70000 MPa"
mat["PoissonRatio"] = "0.35"
material_obj_low.Material = mat
material_obj_low.References = [(boxlow, "Solid1")]
analysis.addObject(material_obj_low)
material_obj_upp = ObjectsFem.makeMaterialSolid(doc, "MechanicalMaterialUpp")
mat = material_obj_upp.Material
mat["Name"] = "Steel-Generic"
mat["YoungsModulus"] = "200000 MPa"
mat["PoissonRatio"] = "0.30"
material_obj_upp.Material = mat
material_obj_upp.References = [(boxupp, "Solid1")]
analysis.addObject(material_obj_upp)
# constraint fixed
con_fixed = ObjectsFem.makeConstraintFixed(doc, "ConstraintFixed")
con_fixed.References = [(geom_obj, "Face5")]
analysis.addObject(con_fixed)
# constraint pressure
con_pressure = ObjectsFem.makeConstraintPressure(doc, "ConstraintPressure")
con_pressure.References = [(geom_obj, "Face11")]
con_pressure.Pressure = 1000.0
con_pressure.Reversed = False
analysis.addObject(con_pressure)
# mesh
from .meshes.mesh_boxes_2_vertikal_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(ObjectsFem.makeMeshGmsh(doc, get_meshname()))[0]
femmesh_obj.FemMesh = fem_mesh
femmesh_obj.Part = geom_obj
femmesh_obj.SecondOrderLinear = False
doc.recompute()
return doc
def setup(doc=None, solvertype="ccxtools"):
# init FreeCAD document
if doc is None:
doc = init_doc()
# explanation object
# just keep the following line and change text string in get_explanation method
manager.add_explanation_obj(doc, get_explanation(manager.get_header(get_information())))
# geometric object
# load line
load_line = doc.addObject("Part::Line", "LoadLine")
load_line.X1 = 0
load_line.Y1 = 0
load_line.Z1 = 1000
load_line.X2 = 0
load_line.Y2 = 0
load_line.Z2 = 0
if FreeCAD.GuiUp:
load_line.ViewObject.hide()
# commands where generated by Python out of the original Z88 Mesh obj data
v1 = vec(0.0, 2000.0, 0.0)
v2 = vec(0.0, 0.0, 0.0)
v3 = vec(1000.0, 1000.0, 2000.0)
v4 = vec(2000.0, 2000.0, 0.0)
v5 = vec(2000.0, 0.0, 0.0)
v6 = vec(3000.0, 1000.0, 2000.0)
v7 = vec(4000.0, 2000.0, 0.0)
v8 = vec(4000.0, 0.0, 0.0)
v9 = vec(5000.0, 1000.0, 2000.0)
v10 = vec(6000.0, 2000.0, 0.0)
v11 = vec(6000.0, 0.0, 0.0)
v12 = vec(7000.0, 1000.0, 2000.0)
v13 = vec(8000.0, 2000.0, 0.0)
v14 = vec(8000.0, 0.0, 0.0)
v15 = vec(9000.0, 1000.0, 2000.0)
v16 = vec(10000.0, 2000.0, 0.0)
v17 = vec(10000.0, 0.0, 0.0)
v18 = vec(11000.0, 1000.0, 2000.0)
v19 = vec(12000.0, 2000.0, 0.0)
v20 = vec(12000.0, 0.0, 0.0)
line1 = makeLine(v1, v2)
line2 = makeLine(v4, v5)
line3 = makeLine(v7, v8)
line4 = makeLine(v10, v11)
line5 = makeLine(v13, v14)
line6 = makeLine(v16, v17)
line7 = makeLine(v19, v20)
line8 = makeLine(v1, v4)
line9 = makeLine(v2, v5)
line10 = makeLine(v4, v7)
line11 = makeLine(v5, v8)
line12 = makeLine(v7, v10)
line13 = makeLine(v8, v11)
line14 = makeLine(v10, v13)
line15 = makeLine(v11, v14)
line16 = makeLine(v13, v16)
line17 = makeLine(v14, v17)
line18 = makeLine(v16, v19)
line19 = makeLine(v17, v20)
line20 = makeLine(v1, v3)
line21 = makeLine(v4, v6)
line22 = makeLine(v7, v9)
line23 = makeLine(v10, v12)
line24 = makeLine(v13, v15)
line25 = makeLine(v16, v18)
line26 = makeLine(v2, v3)
line27 = makeLine(v5, v6)
line28 = makeLine(v8, v9)
line29 = makeLine(v11, v12)
line30 = makeLine(v14, v15)
line31 = makeLine(v17, v18)
line32 = makeLine(v3, v4)
line33 = makeLine(v6, v7)
line34 = makeLine(v9, v10)
line35 = makeLine(v12, v13)
line36 = makeLine(v15, v16)
line37 = makeLine(v18, v19)
line38 = makeLine(v3, v5)
line39 = makeLine(v6, v8)
line40 = makeLine(v9, v11)
line41 = makeLine(v12, v14)
line42 = makeLine(v15, v17)
line43 = makeLine(v18, v20)
line44 = makeLine(v3, v6)
line45 = makeLine(v6, v9)
line46 = makeLine(v9, v12)
line47 = makeLine(v12, v15)
line48 = makeLine(v15, v18)
line49 = makeLine(v2, v4)
line50 = makeLine(v5, v7)
line51 = makeLine(v8, v10)
line52 = makeLine(v11, v13)
line53 = makeLine(v14, v16)
line54 = makeLine(v17, v19)
obj_line1 = doc.addObject("Part::Feature", "Line1")
obj_line1.Shape = line1
obj_line2 = doc.addObject("Part::Feature", "Line2")
obj_line2.Shape = line2
obj_line3 = doc.addObject("Part::Feature", "Line3")
obj_line3.Shape = line3
obj_line4 = doc.addObject("Part::Feature", "Line4")
obj_line4.Shape = line4
obj_line5 = doc.addObject("Part::Feature", "Line5")
obj_line5.Shape = line5
obj_line6 = doc.addObject("Part::Feature", "Line6")
obj_line6.Shape = line6
obj_line7 = doc.addObject("Part::Feature", "Line7")
obj_line7.Shape = line7
obj_line8 = doc.addObject("Part::Feature", "Line8")
obj_line8.Shape = line8
obj_line9 = doc.addObject("Part::Feature", "Line9")
obj_line9.Shape = line9
obj_line10 = doc.addObject("Part::Feature", "Line10")
obj_line10.Shape = line10
obj_line11 = doc.addObject("Part::Feature", "Line11")
obj_line11.Shape = line11
obj_line12 = doc.addObject("Part::Feature", "Line12")
obj_line12.Shape = line12
obj_line13 = doc.addObject("Part::Feature", "Line13")
obj_line13.Shape = line13
obj_line14 = doc.addObject("Part::Feature", "Line14")
obj_line14.Shape = line14
obj_line15 = doc.addObject("Part::Feature", "Line15")
obj_line15.Shape = line15
obj_line16 = doc.addObject("Part::Feature", "Line16")
obj_line16.Shape = line16
obj_line17 = doc.addObject("Part::Feature", "Line17")
obj_line17.Shape = line17
obj_line18 = doc.addObject("Part::Feature", "Line18")
obj_line18.Shape = line18
obj_line19 = doc.addObject("Part::Feature", "Line19")
obj_line19.Shape = line19
obj_line20 = doc.addObject("Part::Feature", "Line20")
obj_line20.Shape = line20
obj_line21 = doc.addObject("Part::Feature", "Line21")
obj_line21.Shape = line21
obj_line22 = doc.addObject("Part::Feature", "Line22")
obj_line22.Shape = line22
obj_line23 = doc.addObject("Part::Feature", "Line23")
obj_line23.Shape = line23
obj_line24 = doc.addObject("Part::Feature", "Line24")
obj_line24.Shape = line24
obj_line25 = doc.addObject("Part::Feature", "Line25")
obj_line25.Shape = line25
obj_line26 = doc.addObject("Part::Feature", "Line26")
obj_line26.Shape = line26
obj_line27 = doc.addObject("Part::Feature", "Line27")
obj_line27.Shape = line27
obj_line28 = doc.addObject("Part::Feature", "Line28")
obj_line28.Shape = line28
obj_line29 = doc.addObject("Part::Feature", "Line29")
obj_line29.Shape = line29
obj_line30 = doc.addObject("Part::Feature", "Line30")
obj_line30.Shape = line30
obj_line31 = doc.addObject("Part::Feature", "Line31")
obj_line31.Shape = line31
obj_line32 = doc.addObject("Part::Feature", "Line32")
obj_line32.Shape = line32
obj_line33 = doc.addObject("Part::Feature", "Line33")
obj_line33.Shape = line33
obj_line34 = doc.addObject("Part::Feature", "Line34")
obj_line34.Shape = line34
obj_line35 = doc.addObject("Part::Feature", "Line35")
obj_line35.Shape = line35
obj_line36 = doc.addObject("Part::Feature", "Line36")
obj_line36.Shape = line36
obj_line37 = doc.addObject("Part::Feature", "Line37")
obj_line37.Shape = line37
obj_line38 = doc.addObject("Part::Feature", "Line38")
obj_line38.Shape = line38
obj_line39 = doc.addObject("Part::Feature", "Line39")
obj_line39.Shape = line39
obj_line40 = doc.addObject("Part::Feature", "Line40")
obj_line40.Shape = line40
obj_line41 = doc.addObject("Part::Feature", "Line41")
obj_line41.Shape = line41
obj_line42 = doc.addObject("Part::Feature", "Line42")
obj_line42.Shape = line42
obj_line43 = doc.addObject("Part::Feature", "Line43")
obj_line43.Shape = line43
obj_line44 = doc.addObject("Part::Feature", "Line44")
obj_line44.Shape = line44
obj_line45 = doc.addObject("Part::Feature", "Line45")
obj_line45.Shape = line45
obj_line46 = doc.addObject("Part::Feature", "Line46")
obj_line46.Shape = line46
obj_line47 = doc.addObject("Part::Feature", "Line47")
obj_line47.Shape = line47
obj_line48 = doc.addObject("Part::Feature", "Line48")
obj_line48.Shape = line48
obj_line49 = doc.addObject("Part::Feature", "Line49")
obj_line49.Shape = line49
obj_line50 = doc.addObject("Part::Feature", "Line50")
obj_line50.Shape = line50
obj_line51 = doc.addObject("Part::Feature", "Line51")
obj_line51.Shape = line51
obj_line52 = doc.addObject("Part::Feature", "Line52")
obj_line52.Shape = line52
obj_line53 = doc.addObject("Part::Feature", "Line53")
obj_line53.Shape = line53
obj_line54 = doc.addObject("Part::Feature", "Line54")
obj_line54.Shape = line54
doc.recompute()
geom_obj = SplitFeatures.makeBooleanFragments(name="CraneTruss")
geom_obj.Objects = [
obj_line1,
obj_line2,
obj_line3,
obj_line4,
obj_line5,
obj_line6,
obj_line7,
obj_line8,
obj_line9,
obj_line10,
obj_line11,
obj_line12,
obj_line13,
obj_line14,
obj_line15,
obj_line16,
obj_line17,
obj_line18,
obj_line19,
obj_line20,
obj_line21,
obj_line22,
obj_line23,
obj_line24,
obj_line25,
obj_line26,
obj_line27,
obj_line28,
obj_line29,
obj_line30,
obj_line31,
obj_line32,
obj_line33,
obj_line34,
obj_line35,
obj_line36,
obj_line37,
obj_line38,
obj_line39,
obj_line40,
obj_line41,
obj_line42,
obj_line43,
obj_line44,
obj_line45,
obj_line46,
obj_line47,
obj_line48,
obj_line49,
obj_line50,
obj_line51,
obj_line52,
obj_line53,
obj_line54,
]
if FreeCAD.GuiUp:
obj_line1.ViewObject.hide()
obj_line2.ViewObject.hide()
obj_line3.ViewObject.hide()
obj_line4.ViewObject.hide()
obj_line5.ViewObject.hide()
obj_line6.ViewObject.hide()
obj_line7.ViewObject.hide()
obj_line8.ViewObject.hide()
obj_line9.ViewObject.hide()
obj_line10.ViewObject.hide()
obj_line11.ViewObject.hide()
obj_line12.ViewObject.hide()
obj_line13.ViewObject.hide()
obj_line14.ViewObject.hide()
obj_line15.ViewObject.hide()
obj_line16.ViewObject.hide()
obj_line17.ViewObject.hide()
obj_line18.ViewObject.hide()
obj_line19.ViewObject.hide()
obj_line20.ViewObject.hide()
obj_line21.ViewObject.hide()
obj_line22.ViewObject.hide()
obj_line23.ViewObject.hide()
obj_line24.ViewObject.hide()
obj_line25.ViewObject.hide()
obj_line26.ViewObject.hide()
obj_line27.ViewObject.hide()
obj_line28.ViewObject.hide()
obj_line29.ViewObject.hide()
obj_line30.ViewObject.hide()
obj_line31.ViewObject.hide()
obj_line32.ViewObject.hide()
obj_line33.ViewObject.hide()
obj_line34.ViewObject.hide()
obj_line35.ViewObject.hide()
obj_line36.ViewObject.hide()
obj_line37.ViewObject.hide()
obj_line38.ViewObject.hide()
obj_line39.ViewObject.hide()
obj_line40.ViewObject.hide()
obj_line41.ViewObject.hide()
obj_line42.ViewObject.hide()
obj_line43.ViewObject.hide()
obj_line44.ViewObject.hide()
obj_line45.ViewObject.hide()
obj_line46.ViewObject.hide()
obj_line47.ViewObject.hide()
obj_line48.ViewObject.hide()
obj_line49.ViewObject.hide()
obj_line50.ViewObject.hide()
obj_line51.ViewObject.hide()
obj_line52.ViewObject.hide()
obj_line53.ViewObject.hide()
obj_line54.ViewObject.hide()
doc.recompute()
if FreeCAD.GuiUp:
geom_obj.ViewObject.Document.activeView().viewAxonometric()
geom_obj.ViewObject.Document.activeView().fitAll()
# analysis
analysis = ObjectsFem.makeAnalysis(doc, "Analysis")
# solver
if solvertype == "calculix":
solver_obj = ObjectsFem.makeSolverCalculix(doc, "SolverCalculiX")
elif solvertype == "ccxtools":
solver_obj = ObjectsFem.makeSolverCalculixCcxTools(doc, "CalculiXccxTools")
solver_obj.WorkingDir = u""
elif solvertype == "z88":
solver_obj = ObjectsFem.makeSolverZ88(doc, "SolverZ88")
else:
FreeCAD.Console.PrintWarning(
"Not known or not supported solver type: {}. "
"No solver object was created.\n".format(solvertype)
)
if solvertype == "calculix" or solvertype == "ccxtools":
solver_obj.SplitInputWriter = False
solver_obj.AnalysisType = "static"
solver_obj.GeometricalNonlinearity = "linear"
solver_obj.ThermoMechSteadyState = False
solver_obj.MatrixSolverType = "default"
solver_obj.IterationsControlParameterTimeUse = False
analysis.addObject(solver_obj)
# beam section
beamsection_obj = ObjectsFem.makeElementGeometry1D(
doc,
sectiontype="Circular",
height=25.0,
name="CrossSectionCircular"
)
analysis.addObject(beamsection_obj)
# material
material_obj = ObjectsFem.makeMaterialSolid(doc, "MechanicalMaterial")
mat = material_obj.Material
mat["Name"] = "Steel"
mat["YoungsModulus"] = "200000 MPa"
mat["PoissonRatio"] = "0.30"
material_obj.Material = mat
analysis.addObject(material_obj)
# constraint fixed
con_fixed = ObjectsFem.makeConstraintFixed(doc, "ConstraintFixed")
con_fixed.References = [(geom_obj, ("Vertex1", "Vertex2", "Vertex13", "Vertex14"))]
analysis.addObject(con_fixed)
# constraint force
con_force = ObjectsFem.makeConstraintForce(doc, "ConstraintForce")
con_force.References = [(geom_obj, ("Vertex5", "Vertex6"))]
con_force.Force = 60000.0 # 30 kN on each Node
con_force.Direction = (load_line, ["Edge1"])
con_force.Reversed = False
analysis.addObject(con_force)
# mesh
from .meshes.mesh_truss_crane_seg3 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(ObjectsFem.makeMeshGmsh(doc, get_meshname()))[0]
femmesh_obj.FemMesh = fem_mesh
femmesh_obj.Part = geom_obj
femmesh_obj.SecondOrderLinear = False
femmesh_obj.ElementDimension = "1D"
# four elements for each bar
femmesh_obj.CharacteristicLengthMax = "1500.0 mm"
femmesh_obj.CharacteristicLengthMin = "1500.0 mm"
if FreeCAD.GuiUp:
femmesh_obj.ViewObject.DisplayMode = "Faces, Wireframe & Nodes"
femmesh_obj.ViewObject.PointColor = (1.0, 0.0, 0.5, 0.0)
doc.recompute()
return doc