187 lines
10 KiB
Python
187 lines
10 KiB
Python
# ***************************************************************************
|
|
# * Copyright (c) 2015 - FreeCAD Developers *
|
|
# * Copyright (c) 2018 - 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 Fem
|
|
import FreeCAD
|
|
import ObjectsFem
|
|
import femsolver.run
|
|
import unittest
|
|
from . import utilstest as testtools
|
|
from .utilstest import fcc_print
|
|
|
|
|
|
class TestSolverFrameWork(unittest.TestCase):
|
|
fcc_print('import TestSolverFrameWork')
|
|
|
|
def setUp(self):
|
|
self.doc_name = "TestSolverFrameWork"
|
|
try:
|
|
FreeCAD.setActiveDocument(self.doc_name)
|
|
except:
|
|
FreeCAD.newDocument(self.doc_name)
|
|
finally:
|
|
FreeCAD.setActiveDocument(self.doc_name)
|
|
self.active_doc = FreeCAD.ActiveDocument
|
|
self.mesh_name = 'Mesh'
|
|
self.temp_dir = testtools.get_fem_test_tmp_dir()
|
|
self.test_file_dir = testtools.get_fem_test_home_dir() + 'ccx/'
|
|
|
|
def test_solver_framework(self):
|
|
fcc_print('\n--------------- Start of FEM tests solver frame work ---------------')
|
|
box = self.active_doc.addObject("Part::Box", "Box")
|
|
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 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 .testfiles.ccx.cube_mesh import create_nodes_cube
|
|
from .testfiles.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()
|
|
|
|
# solver frame work ccx solver
|
|
fcc_print('\nChecking FEM CalculiX solver for solver frame work...')
|
|
solver_ccx_object = ObjectsFem.makeSolverCalculix(self.active_doc, 'SolverCalculiX')
|
|
solver_ccx_object.AnalysisType = 'static'
|
|
solver_ccx_object.GeometricalNonlinearity = 'linear'
|
|
solver_ccx_object.ThermoMechSteadyState = False
|
|
solver_ccx_object.MatrixSolverType = 'default'
|
|
solver_ccx_object.IterationsControlParameterTimeUse = False
|
|
solver_ccx_object.EigenmodesCount = 10
|
|
solver_ccx_object.EigenmodeHighLimit = 1000000.0
|
|
solver_ccx_object.EigenmodeLowLimit = 0.0
|
|
self.assertTrue(solver_ccx_object, "FemTest of new ccx solver failed")
|
|
analysis.addObject(solver_ccx_object)
|
|
|
|
static_base_name = 'cube_static'
|
|
solverframework_analysis_dir = testtools.get_unit_test_tmp_dir(testtools.get_fem_test_tmp_dir(), 'FEM_solverframework/')
|
|
fcc_print('Checking FEM Elmer solver for solver frame work......')
|
|
fcc_print('machine_ccx')
|
|
machine_ccx = solver_ccx_object.Proxy.createMachine(solver_ccx_object, solverframework_analysis_dir)
|
|
fcc_print('Machine testmode: ' + str(machine_ccx.testmode))
|
|
machine_ccx.target = femsolver.run.PREPARE
|
|
machine_ccx.start()
|
|
machine_ccx.join() # wait for the machine to finish.
|
|
static_analysis_inp_file = testtools.get_fem_test_home_dir() + 'ccx/' + static_base_name + '.inp'
|
|
fcc_print('Comparing {} to {}/{}.inp'.format(static_analysis_inp_file, solverframework_analysis_dir, self.mesh_name))
|
|
ret = testtools.compare_inp_files(static_analysis_inp_file, solverframework_analysis_dir + self.mesh_name + '.inp')
|
|
self.assertFalse(ret, "ccxtools write_inp_file test failed.\n{}".format(ret))
|
|
|
|
# use solver frame work elmer solver
|
|
solver_elmer_object = ObjectsFem.makeSolverElmer(self.active_doc, 'SolverElmer')
|
|
self.assertTrue(solver_elmer_object, "FemTest of elmer solver failed")
|
|
analysis.addObject(solver_elmer_object)
|
|
solver_elmer_eqobj = ObjectsFem.makeEquationElasticity(self.active_doc, solver_elmer_object)
|
|
self.assertTrue(solver_elmer_eqobj, "FemTest of elmer elasticity equation failed")
|
|
|
|
# set ThermalExpansionCoefficient, current elmer seems to need it even on simple elasticity analysis
|
|
mat = material_object.Material
|
|
mat['ThermalExpansionCoefficient'] = "0 um/m/K" # FIXME elmer elasticity needs the dictionary key, otherwise it fails
|
|
material_object.Material = mat
|
|
|
|
mesh_gmsh = ObjectsFem.makeMeshGmsh(self.active_doc)
|
|
mesh_gmsh.CharacteristicLengthMin = "9 mm"
|
|
mesh_gmsh.FemMesh = mesh_object.FemMesh # elmer needs a GMHS mesh object, FIXME error message on Python solver run
|
|
mesh_gmsh.Part = box
|
|
analysis.addObject(mesh_gmsh)
|
|
self.active_doc.removeObject(mesh_object.Name)
|
|
|
|
# solver frame work Elmer solver
|
|
fcc_print('\nChecking FEM Elmer solver for solver frame work...')
|
|
machine_elmer = solver_elmer_object.Proxy.createMachine(solver_elmer_object, solverframework_analysis_dir, True)
|
|
fcc_print('Machine testmode: ' + str(machine_elmer.testmode))
|
|
machine_elmer.target = femsolver.run.PREPARE
|
|
machine_elmer.start()
|
|
machine_elmer.join() # wait for the machine to finish.
|
|
|
|
test_file_dir_elmer = testtools.get_fem_test_home_dir() + 'elmer/'
|
|
fcc_print('Test writing STARTINFO file')
|
|
fcc_print('Comparing {} to {}'.format(test_file_dir_elmer + 'ELMERSOLVER_STARTINFO', solverframework_analysis_dir + 'ELMERSOLVER_STARTINFO'))
|
|
ret = testtools.compare_files(test_file_dir_elmer + 'ELMERSOLVER_STARTINFO', solverframework_analysis_dir + 'ELMERSOLVER_STARTINFO')
|
|
self.assertFalse(ret, "STARTINFO write file test failed.\n{}".format(ret))
|
|
|
|
fcc_print('Test writing case file')
|
|
fcc_print('Comparing {} to {}'.format(test_file_dir_elmer + 'case.sif', solverframework_analysis_dir + 'case.sif'))
|
|
ret = testtools.compare_files(test_file_dir_elmer + 'case.sif', solverframework_analysis_dir + 'case.sif')
|
|
self.assertFalse(ret, "case write file test failed.\n{}".format(ret))
|
|
|
|
fcc_print('Test writing GMSH geo file')
|
|
fcc_print('Comparing {} to {}'.format(test_file_dir_elmer + 'group_mesh.geo', solverframework_analysis_dir + 'group_mesh.geo'))
|
|
ret = testtools.compare_files(test_file_dir_elmer + 'group_mesh.geo', solverframework_analysis_dir + 'group_mesh.geo')
|
|
self.assertFalse(ret, "GMSH geo write file test failed.\n{}".format(ret))
|
|
|
|
save_fc_file = solverframework_analysis_dir + static_base_name + '.FCStd'
|
|
fcc_print('Save FreeCAD file for static2 analysis to {}...'.format(save_fc_file))
|
|
self.active_doc.saveAs(save_fc_file)
|
|
fcc_print('--------------- End of FEM tests solver frame work ---------------')
|
|
|
|
def tearDown(self):
|
|
FreeCAD.closeDocument(self.doc_name)
|
|
pass
|