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FEM: move setup multimaterial example from unit tests to fem examples
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| # *************************************************************************** | ||
| # * Copyright (c) 2019 Bernd Hahnebach <bernd@bimstatik.org> * | ||
| # * * | ||
| # * This file is part of the FreeCAD CAx development system. * | ||
| # * * | ||
| # * This program is free software; you can redistribute it and/or modify * | ||
| # * it under the terms of the GNU Lesser General Public License (LGPL) * | ||
| # * as published by the Free Software Foundation; either version 2 of * | ||
| # * the License, or (at your option) any later version. * | ||
| # * for detail see the LICENCE text file. * | ||
| # * * | ||
| # * FreeCAD is distributed in the hope that it will be useful, * | ||
| # * but WITHOUT ANY WARRANTY; without even the implied warranty of * | ||
| # * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * | ||
| # * GNU Library General Public License for more details. * | ||
| # * * | ||
| # * You should have received a copy of the GNU Library General Public * | ||
| # * License along with FreeCAD; if not, write to the Free Software * | ||
| # * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * | ||
| # * USA * | ||
| # * * | ||
| # *************************************************************************** | ||
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| import FreeCAD | ||
| import ObjectsFem | ||
| import Fem | ||
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| mesh_name = "Mesh" # needs to be Mesh to work with unit tests | ||
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| def init_doc(doc=None): | ||
| if doc is None: | ||
| doc = FreeCAD.newDocument() | ||
| return doc | ||
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| def setup(doc=None, solver="ccxtools"): | ||
| # setup model | ||
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| if doc is None: | ||
| doc = init_doc() | ||
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| # part | ||
| # create a CompSolid of two Boxes extract the CompSolid | ||
| # we are able to remesh if needed | ||
| boxlow = doc.addObject("Part::Box", "BoxLower") | ||
| boxupp = doc.addObject("Part::Box", "BoxUpper") | ||
| boxupp.Placement.Base = (0, 0, 10) | ||
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| # for BooleanFragments Occt >=6.9 is needed | ||
| """ | ||
| import BOPTools.SplitFeatures | ||
| bf = BOPTools.SplitFeatures.makeBooleanFragments(name="BooleanFragments") | ||
| bf.Objects = [boxlow, boxupp] | ||
| bf.Mode = "CompSolid" | ||
| self.active_doc.recompute() | ||
| bf.Proxy.execute(bf) | ||
| bf.purgeTouched() | ||
| for obj in bf.ViewObject.Proxy.claimChildren(): | ||
| obj.ViewObject.hide() | ||
| self.active_doc.recompute() | ||
| import CompoundTools.CompoundFilter | ||
| cf = CompoundTools.CompoundFilter.makeCompoundFilter(name="MultiMatCompSolid") | ||
| cf.Base = bf | ||
| cf.FilterType = "window-volume" | ||
| cf.Proxy.execute(cf) | ||
| cf.purgeTouched() | ||
| cf.Base.ViewObject.hide() | ||
| """ | ||
| doc.recompute() | ||
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| if FreeCAD.GuiUp: | ||
| import FreeCADGui | ||
| FreeCADGui.ActiveDocument.activeView().viewAxonometric() | ||
| FreeCADGui.SendMsgToActiveView("ViewFit") | ||
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| # analysis | ||
| analysis = ObjectsFem.makeAnalysis(doc, "Analysis") | ||
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| # 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"" | ||
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| # 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) | ||
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| 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")] | ||
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| # fixed_constraint | ||
| fixed_constraint = analysis.addObject( | ||
| ObjectsFem.makeConstraintFixed(doc, "ConstraintFixed") | ||
| )[0] | ||
| # fixed_constraint.References = [(cf, "Face3")] | ||
| fixed_constraint.References = [(boxlow, "Face5")] | ||
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| # pressure_constraint | ||
| pressure_constraint = analysis.addObject( | ||
| ObjectsFem.makeConstraintPressure(doc, "ConstraintPressure") | ||
| )[0] | ||
| # pressure_constraint.References = [(cf, "Face3")] | ||
| pressure_constraint.References = [(boxlow, "Face5")] | ||
| # pressure_constraint.References = [(cf, "Face9")] | ||
| pressure_constraint.References = [(boxupp, "Face6")] | ||
| pressure_constraint.Pressure = 1000.0 | ||
| pressure_constraint.Reversed = False | ||
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| # mesh | ||
| # from femexamples.meshes.mesh_thermomech_spine import create_nodes, create_elements | ||
| from femtest.data.ccx.multimat_mesh 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 | ||
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| doc.recompute() | ||
| return doc | ||
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| """ | ||
| from femexamples import multimaterial_simple as multimat | ||
| multimat.setup() | ||
| """ |
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