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FEM: move setup simple box static and frequency example from unit tests to fem examples

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This commit is contained in:
Bernd Hahnebach
2019-09-26 08:38:12 +02:00
parent 8eb00d7c9b
commit 4ac8d0bbe9
3 changed files with 193 additions and 182 deletions
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1
src/Mod/Fem/CMakeLists.txt
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@@ -35,6 +35,7 @@ SET(FemCommands_SRCS
SET(FemExamples_SRCS
femexamples/__init__.py
femexamples/boxanalysis.py
femexamples/ccx_cantilever_std.py
femexamples/manager.py
femexamples/multimaterial_twoboxes.py

182
src/Mod/Fem/femexamples/boxanalysis.py Normal file
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@@ -0,0 +1,182 @@
# ***************************************************************************
# * 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 *
# * *
# ***************************************************************************
import FreeCAD
import ObjectsFem
import Fem
mesh_name = "Mesh" # needs to be Mesh to work with unit tests
def init_doc(doc=None):
if doc is None:
doc = FreeCAD.newDocument()
return doc
def setup_base(doc=None, solver="ccxtools"):
# setup box base model
if doc is None:
doc = init_doc()
# part
box_obj = doc.addObject("Part::Box", "Box")
box_obj.Height = box_obj.Width = box_obj.Length = 10
doc.recompute()
if FreeCAD.GuiUp:
import FreeCADGui
FreeCADGui.ActiveDocument.activeView().viewAxonometric()
FreeCADGui.SendMsgToActiveView("ViewFit")
# analysis
analysis = ObjectsFem.makeAnalysis(doc, "Analysis")
# material
material_object = analysis.addObject(
ObjectsFem.makeMaterialSolid(doc, "MechanicalMaterial")
)[0]
mat = material_object.Material
mat["Name"] = "Steel-Generic"
mat["YoungsModulus"] = "200000 MPa"
mat["PoissonRatio"] = "0.30"
mat["Density"] = "7900 kg/m^3"
material_object.Material = mat
# mesh
# from .meshes.mesh_canticcx_tetra10 import create_nodes, create_elements
from femtest.data.ccx.cube_mesh import create_nodes_cube as create_nodes
from femtest.data.ccx.cube_mesh import create_elements_cube as 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_static(doc=None, solver="ccxtools"):
# setup box static, add a fixed, force and a pressure constraint
doc = setup_base(doc, solver)
box_obj = doc.Box
analysis = 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]
elif solver == "ccxtools":
solver_object = analysis.addObject(
ObjectsFem.makeSolverCalculixCcxTools(doc, "CalculiXccxTools")
)[0]
solver_object.WorkingDir = u""
elif solver == "elmer":
analysis.addObject(ObjectsFem.makeSolverElmer(doc, "SolverElmer"))
elif solver == "z88":
analysis.addObject(ObjectsFem.makeSolverZ88(doc, "SolverZ88"))
if solver == "calculix" or solver == "ccxtools":
solver_object.AnalysisType = "static"
solver_object.GeometricalNonlinearity = "linear"
solver_object.ThermoMechSteadyState = False
solver_object.MatrixSolverType = "default"
solver_object.IterationsControlParameterTimeUse = False
# fixed_constraint
fixed_constraint = analysis.addObject(
ObjectsFem.makeConstraintFixed(doc, name="FemConstraintFixed")
)[0]
fixed_constraint.References = [(box_obj, "Face1")]
# force_constraint
force_constraint = analysis.addObject(
ObjectsFem.makeConstraintForce(doc, name="FemConstraintForce")
)[0]
force_constraint.References = [(box_obj, "Face6")]
force_constraint.Force = 40000.0
force_constraint.Direction = (box_obj, ["Edge5"])
force_constraint.Reversed = True
# pressure_constraint
pressure_constraint = analysis.addObject(
ObjectsFem.makeConstraintPressure(doc, name="FemConstraintPressure")
)[0]
pressure_constraint.References = [(box_obj, "Face2")]
pressure_constraint.Pressure = 1000.0
pressure_constraint.Reversed = False
doc.recompute()
return doc
def setup_frequency(doc=None, solver="ccxtools"):
# setup box frequency, change solver attributes
doc = setup_base(doc, solver)
analysis = 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]
elif solver == "ccxtools":
solver_object = analysis.addObject(
ObjectsFem.makeSolverCalculixCcxTools(doc, "CalculiXccxTools")
)[0]
solver_object.WorkingDir = u""
if solver == "calculix" or solver == "ccxtools":
solver_object.AnalysisType = "frequency"
solver_object.GeometricalNonlinearity = "linear"
solver_object.ThermoMechSteadyState = False
solver_object.MatrixSolverType = "default"
solver_object.IterationsControlParameterTimeUse = False
solver_object.EigenmodesCount = 10
solver_object.EigenmodeHighLimit = 1000000.0
solver_object.EigenmodeLowLimit = 0.01
doc.recompute()
return doc
"""
from femexamples import boxanalysis as box
box.setup_base()
box.setup_static()
box.setup_frequency()
"""

192
src/Mod/Fem/femtest/app/test_ccxtools.py
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@@ -23,10 +23,8 @@
# * *
# ***************************************************************************/
import Fem
from femtools import ccxtools
import FreeCAD
import ObjectsFem
import unittest
from . import support_utils as testtools
from .support_utils import fcc_print
@@ -75,123 +73,12 @@ class TestCcxTools(unittest.TestCase):
):
fcc_print("\n--------------- Start of FEM ccxtools static analysis test ---------------")
box = self.active_doc.addObject("Part::Box", "Box")
# set up the static analysis example
from femexamples import boxanalysis as box
box.setup_static(self.active_doc, "ccxtools")
fcc_print("Checking FEM new analysis...")
analysis = ObjectsFem.makeAnalysis(
self.active_doc,
"Analysis"
)
self.assertTrue(
analysis,
"FemTest of new analysis failed"
)
fcc_print("Checking FEM new solver...")
solver_object = ObjectsFem.makeSolverCalculixCcxTools(
self.active_doc,
"CalculiX"
)
solver_object.AnalysisType = "static"
solver_object.GeometricalNonlinearity = "linear"
solver_object.ThermoMechSteadyState = False
solver_object.MatrixSolverType = "default"
solver_object.IterationsControlParameterTimeUse = False
solver_object.EigenmodesCount = 10
solver_object.EigenmodeHighLimit = 1000000.0
solver_object.EigenmodeLowLimit = 0.0
self.assertTrue(
solver_object,
"FemTest of new solver failed"
)
analysis.addObject(solver_object)
fcc_print("Checking FEM new material...")
material_object = ObjectsFem.makeMaterialSolid(
self.active_doc,
"MechanicalMaterial"
)
mat = material_object.Material
mat["Name"] = "Steel-Generic"
mat["YoungsModulus"] = "200000 MPa"
mat["PoissonRatio"] = "0.30"
mat["Density"] = "7900 kg/m^3"
material_object.Material = mat
self.assertTrue(
material_object,
"FemTest of new material failed"
)
analysis.addObject(material_object)
fcc_print("Checking FEM new fixed constraint...")
fixed_constraint = self.active_doc.addObject(
"Fem::ConstraintFixed",
"FemConstraintFixed"
)
fixed_constraint.References = [(box, "Face1")]
self.assertTrue(
fixed_constraint,
"FemTest of new fixed constraint failed"
)
analysis.addObject(fixed_constraint)
fcc_print("Checking FEM new force constraint...")
force_constraint = self.active_doc.addObject(
"Fem::ConstraintForce",
"FemConstraintForce"
)
force_constraint.References = [(box, "Face6")]
force_constraint.Force = 40000.0
force_constraint.Direction = (box, ["Edge5"])
self.active_doc.recompute()
force_constraint.Reversed = True
self.active_doc.recompute()
self.assertTrue(
force_constraint,
"FemTest of new force constraint failed"
)
analysis.addObject(force_constraint)
fcc_print("Checking FEM new pressure constraint...")
pressure_constraint = self.active_doc.addObject(
"Fem::ConstraintPressure",
"FemConstraintPressure"
)
pressure_constraint.References = [(box, "Face2")]
pressure_constraint.Pressure = 1000.0
pressure_constraint.Reversed = False
self.assertTrue(
pressure_constraint,
"FemTest of new pressure constraint failed"
)
analysis.addObject(pressure_constraint)
fcc_print("Checking FEM new mesh...")
from ..data.ccx.cube_mesh import create_nodes_cube
from ..data.ccx.cube_mesh import create_elements_cube
mesh = Fem.FemMesh()
ret = create_nodes_cube(mesh)
self.assertTrue(
ret,
"Import of mesh nodes failed"
)
ret = create_elements_cube(mesh)
self.assertTrue(
ret,
"Import of mesh volumes failed"
)
mesh_object = self.active_doc.addObject(
"Fem::FemMeshObject",
self.mesh_name
)
mesh_object.FemMesh = mesh
self.assertTrue(
mesh,
"FemTest of new mesh failed"
)
analysis.addObject(mesh_object)
self.active_doc.recompute()
analysis = self.active_doc.Analysis
solver_object = self.active_doc.CalculiXccxTools
static_analysis_dir = testtools.get_unit_test_tmp_dir(
self.temp_dir,
@@ -341,71 +228,12 @@ class TestCcxTools(unittest.TestCase):
):
fcc_print("\n--------------- Start of FEM ccxtools frequency analysis test ------------")
self.active_doc.addObject("Part::Box", "Box")
# set up the static analysis example
from femexamples import boxanalysis as box
box.setup_frequency(self.active_doc, "ccxtools")
fcc_print("Checking FEM new analysis...")
analysis = ObjectsFem.makeAnalysis(
self.active_doc,
"Analysis"
)
self.assertTrue(
analysis,
"FemTest of new analysis failed"
)
fcc_print("Checking FEM new solver...")
solver_object = ObjectsFem.makeSolverCalculixCcxTools(
self.active_doc,
"CalculiX"
)
solver_object.AnalysisType = "frequency"
solver_object.GeometricalNonlinearity = "linear"
solver_object.ThermoMechSteadyState = False
solver_object.MatrixSolverType = "default"
solver_object.IterationsControlParameterTimeUse = False
solver_object.EigenmodesCount = 10
solver_object.EigenmodeHighLimit = 1000000.0
solver_object.EigenmodeLowLimit = 0.01
self.assertTrue(
solver_object,
"FemTest of new solver failed"
)
analysis.addObject(solver_object)
fcc_print("Checking FEM new material...")
material_object = ObjectsFem.makeMaterialSolid(
self.active_doc,
"MechanicalMaterial"
)
mat = material_object.Material
mat["Name"] = "Steel-Generic"
mat["YoungsModulus"] = "200000 MPa"
mat["PoissonRatio"] = "0.30"
mat["Density"] = "7900 kg/m^3"
material_object.Material = mat
self.assertTrue(
material_object,
"FemTest of new material failed"
)
analysis.addObject(material_object)
fcc_print("Checking FEM new mesh...")
from ..data.ccx.cube_mesh import create_nodes_cube
from ..data.ccx.cube_mesh import create_elements_cube
mesh = Fem.FemMesh()
ret = create_nodes_cube(mesh)
self.assertTrue(ret, "Import of mesh nodes failed")
ret = create_elements_cube(mesh)
self.assertTrue(ret, "Import of mesh volumes failed")
mesh_object = self.active_doc.addObject(
"Fem::FemMeshObject",
self.mesh_name
)
mesh_object.FemMesh = mesh
self.assertTrue(mesh, "FemTest of new mesh failed")
analysis.addObject(mesh_object)
self.active_doc.recompute()
analysis = self.active_doc.Analysis
solver_object = self.active_doc.CalculiXccxTools
frequency_analysis_dir = testtools.get_unit_test_tmp_dir(
self.temp_dir,