675 lines
31 KiB
Python
675 lines
31 KiB
Python
# Unit test for the FEM module
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# ***************************************************************************
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# * Copyright (c) 2015 - FreeCAD Developers *
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# * Author: Przemo Firszt <przemo@firszt.eu> *
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# * *
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# * This file is part of the FreeCAD CAx development system. *
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# * *
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# * This program is free software; you can redistribute it and/or modify *
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# * it under the terms of the GNU Lesser General Public License (LGPL) *
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# * as published by the Free Software Foundation; either version 2 of *
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# * the License, or (at your option) any later version. *
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# * for detail see the LICENCE text file. *
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# * *
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# * FreeCAD is distributed in the hope that it will be useful, *
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# * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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# * GNU Library General Public License for more details. *
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# * *
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# * You should have received a copy of the GNU Library General Public *
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# * License along with FreeCAD; if not, write to the Free Software *
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# * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
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# * USA *
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# * *
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# ***************************************************************************/
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import Fem
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import FemToolsCcx
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import FreeCAD
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import FemAnalysis
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import FemSolverCalculix
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import FemMaterial
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import csv
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import tempfile
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import unittest
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mesh_name = 'Mesh'
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home_path = FreeCAD.getHomePath()
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temp_dir = tempfile.gettempdir()
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test_file_dir = home_path + 'Mod/Fem/test_files/ccx'
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static_base_name = 'cube_static'
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static_analysis_dir = temp_dir + '/FEM_static'
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static_save_fc_file = static_analysis_dir + '/' + static_base_name + '.fcstd'
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static_analysis_inp_file = test_file_dir + '/' + static_base_name + '.inp'
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static_expected_values = test_file_dir + "/cube_static_expected_values"
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frequency_base_name = 'cube_frequency'
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frequency_analysis_dir = temp_dir + '/FEM_frequency'
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frequency_save_fc_file = frequency_analysis_dir + '/' + frequency_base_name + '.fcstd'
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frequency_analysis_inp_file = test_file_dir + '/' + frequency_base_name + '.inp'
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frequency_expected_values = test_file_dir + "/cube_frequency_expected_values"
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thermomech_base_name = 'spine_thermomech'
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thermomech_analysis_dir = temp_dir + '/FEM_thermomech'
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thermomech_save_fc_file = thermomech_analysis_dir + '/' + thermomech_base_name + '.fcstd'
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thermomech_analysis_inp_file = test_file_dir + '/' + thermomech_base_name + '.inp'
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thermomech_expected_values = test_file_dir + "/spine_thermomech_expected_values"
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mesh_points_file = test_file_dir + '/mesh_points.csv'
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mesh_volumes_file = test_file_dir + '/mesh_volumes.csv'
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spine_points_file = test_file_dir + '/spine_points.csv'
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spine_volumes_file = test_file_dir + '/spine_volumes.csv'
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def fcc_print(message):
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FreeCAD.Console.PrintMessage('{} \n'.format(message))
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class FemTest(unittest.TestCase):
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def setUp(self):
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try:
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FreeCAD.setActiveDocument("FemTest")
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except:
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FreeCAD.newDocument("FemTest")
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finally:
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FreeCAD.setActiveDocument("FemTest")
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self.active_doc = FreeCAD.ActiveDocument
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self.box = self.active_doc.addObject("Part::Box", "Box")
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self.active_doc.recompute()
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def create_new_analysis(self):
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self.analysis = FemAnalysis.makeFemAnalysis('Analysis')
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self.active_doc.recompute()
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def create_new_solver(self):
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self.solver_object = FemSolverCalculix.makeFemSolverCalculix('CalculiX')
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self.solver_object.GeometricalNonlinearity = 'linear'
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self.solver_object.ThermoMechSteadyState = False
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self.solver_object.MatrixSolverType = 'default'
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self.solver_object.IterationsControlParameterTimeUse = False
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self.solver_object.EigenmodesCount = 10
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self.solver_object.EigenmodeHighLimit = 1000000.0
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self.solver_object.EigenmodeLowLimit = 0.0
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self.active_doc.recompute()
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def create_new_mesh(self):
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self.mesh_object = self.active_doc.addObject('Fem::FemMeshObject', mesh_name)
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self.mesh = Fem.FemMesh()
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with open(mesh_points_file, 'r') as points_file:
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reader = csv.reader(points_file)
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for p in reader:
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self.mesh.addNode(float(p[1]), float(p[2]), float(p[3]), int(p[0]))
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with open(mesh_volumes_file, 'r') as volumes_file:
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reader = csv.reader(volumes_file)
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for v in reader:
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self.mesh.addVolume([int(v[2]), int(v[1]), int(v[3]), int(v[4]), int(v[5]),
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int(v[7]), int(v[6]), int(v[9]), int(v[8]), int(v[10])],
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int(v[0]))
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self.mesh_object.FemMesh = self.mesh
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self.active_doc.recompute()
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def create_new_material(self):
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self.new_material_object = FemMaterial.makeFemMaterial('MechanicalMaterial')
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mat = self.new_material_object.Material
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mat['Name'] = "Steel-Generic"
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mat['YoungsModulus'] = "200000 MPa"
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mat['PoissonRatio'] = "0.30"
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mat['Density'] = "7900 kg/m^3"
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self.new_material_object.Material = mat
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def create_fixed_constraint(self):
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self.fixed_constraint = self.active_doc.addObject("Fem::ConstraintFixed", "FemConstraintFixed")
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self.fixed_constraint.References = [(self.box, "Face1")]
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def create_force_constraint(self):
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self.force_constraint = self.active_doc.addObject("Fem::ConstraintForce", "FemConstraintForce")
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self.force_constraint.References = [(self.box, "Face6")]
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self.force_constraint.Force = 40000.0
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self.force_constraint.Direction = (self.box, ["Edge5"])
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self.force_constraint.Reversed = True
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def create_pressure_constraint(self):
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self.pressure_constraint = self.active_doc.addObject("Fem::ConstraintPressure", "FemConstraintPressure")
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self.pressure_constraint.References = [(self.box, "Face2")]
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self.pressure_constraint.Pressure = 1000.0
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self.pressure_constraint.Reversed = False
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def save_file(self, fc_file_name):
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self.active_doc.saveAs(fc_file_name)
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def force_unix_line_ends(self, line_list):
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new_line_list = []
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for l in line_list:
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if l.endswith("\r\n"):
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l = l[:-2] + '\n'
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new_line_list.append(l)
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return new_line_list
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def compare_inp_files(self, file_name1, file_name2):
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file1 = open(file_name1, 'r')
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f1 = file1.readlines()
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file1.close()
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lf1 = [l for l in f1 if not (l.startswith('** written ') or l.startswith('** file '))]
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lf1 = self.force_unix_line_ends(lf1)
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file2 = open(file_name2, 'r')
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f2 = file2.readlines()
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file2.close()
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lf2 = [l for l in f2 if not (l.startswith('** written ') or l.startswith('** file '))]
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lf2 = self.force_unix_line_ends(lf2)
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import difflib
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diff = difflib.unified_diff(lf1, lf2, n=0)
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result = ''
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for l in diff:
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result += l
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if result:
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result = "Comparing {} to {} failed!\n".format(file_name1, file_name2) + result
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return result
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def compare_stats(self, fea, stat_file=None):
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if stat_file:
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sf = open(stat_file, 'r')
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sf_content = sf.readlines()
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sf.close()
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sf_content = self.force_unix_line_ends(sf_content)
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stat_types = ["U1", "U2", "U3", "Uabs", "Sabs"]
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stats = []
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for s in stat_types:
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stats.append("{}: {}\n".format(s, fea.get_stats(s)))
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if sf_content != stats:
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fcc_print("Expected stats from {}".format(stat_file))
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fcc_print(sf_content)
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fcc_print("Stats read from {}.frd file".format(fea.base_name))
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fcc_print(stats)
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return True
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return False
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def test_new_analysis(self):
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# static
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fcc_print('--------------- Start of FEM tests ---------------')
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fcc_print('Checking FEM new analysis...')
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self.create_new_analysis()
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self.assertTrue(self.analysis, "FemTest of new analysis failed")
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fcc_print('Checking FEM new solver...')
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self.create_new_solver()
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self.assertTrue(self.solver_object, "FemTest of new solver failed")
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self.analysis.Member = self.analysis.Member + [self.solver_object]
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fcc_print('Checking FEM new mesh...')
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self.create_new_mesh()
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self.assertTrue(self.mesh, "FemTest of new mesh failed")
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self.analysis.Member = self.analysis.Member + [self.mesh_object]
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fcc_print('Checking FEM new material...')
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self.create_new_material()
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self.assertTrue(self.new_material_object, "FemTest of new material failed")
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self.analysis.Member = self.analysis.Member + [self.new_material_object]
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fcc_print('Checking FEM new fixed constraint...')
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self.create_fixed_constraint()
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self.assertTrue(self.fixed_constraint, "FemTest of new fixed constraint failed")
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self.analysis.Member = self.analysis.Member + [self.fixed_constraint]
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fcc_print('Checking FEM new force constraint...')
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self.create_force_constraint()
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self.assertTrue(self.force_constraint, "FemTest of new force constraint failed")
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self.analysis.Member = self.analysis.Member + [self.force_constraint]
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fcc_print('Checking FEM new pressure constraint...')
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self.create_pressure_constraint()
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self.assertTrue(self.pressure_constraint, "FemTest of new pressure constraint failed")
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self.analysis.Member = self.analysis.Member + [self.pressure_constraint]
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fea = FemToolsCcx.FemToolsCcx(self.analysis, self.solver_object, test_mode=True)
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fcc_print('Setting up working directory {}'.format(static_analysis_dir))
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fea.setup_working_dir(static_analysis_dir)
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self.assertTrue(True if fea.working_dir == static_analysis_dir else False,
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"Setting working directory {} failed".format(static_analysis_dir))
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fcc_print('Checking FEM inp file prerequisites for static analysis...')
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error = fea.check_prerequisites()
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self.assertFalse(error, "FemToolsCcx check_prerequisites returned error message: {}".format(error))
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fcc_print('Checking FEM inp file write...')
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fcc_print('Setting analysis type to \'static\"')
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fea.set_analysis_type("static")
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self.assertTrue(True if fea.analysis_type == 'static' else False, "Setting anlysis type to \'static\' failed")
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fcc_print('Writing {}/{}.inp for static analysis'.format(static_analysis_dir, mesh_name))
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error = fea.write_inp_file()
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self.assertFalse(error, "Writing failed")
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fcc_print('Comparing {} to {}/{}.inp'.format(static_analysis_inp_file, static_analysis_dir, mesh_name))
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ret = self.compare_inp_files(static_analysis_inp_file, static_analysis_dir + "/" + mesh_name + '.inp')
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self.assertFalse(ret, "FemToolsCcx write_inp_file test failed.\n{}".format(ret))
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fcc_print('Setting up working directory to {} in order to read simulated calculations'.format(test_file_dir))
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fea.setup_working_dir(test_file_dir)
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self.assertTrue(True if fea.working_dir == test_file_dir else False,
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"Setting working directory {} failed".format(test_file_dir))
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fcc_print('Setting base name to read test {}.frd file...'.format('cube_static'))
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fea.set_base_name(static_base_name)
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self.assertTrue(True if fea.base_name == static_base_name else False,
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"Setting base name to {} failed".format(static_base_name))
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fcc_print('Setting inp file name to read test {}.frd file...'.format('cube_static'))
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fea.set_inp_file_name()
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self.assertTrue(True if fea.inp_file_name == static_analysis_inp_file else False,
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"Setting inp file name to {} failed".format(static_analysis_inp_file))
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fcc_print('Checking FEM frd file read from static analysis...')
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fea.load_results()
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self.assertTrue(fea.results_present, "Cannot read results from {}.frd frd file".format(fea.base_name))
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fcc_print('Reading stats from result object for static analysis...')
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ret = self.compare_stats(fea, static_expected_values)
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self.assertFalse(ret, "Invalid results read from .frd file")
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fcc_print('Save FreeCAD file for static analysis to {}...'.format(static_save_fc_file))
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self.save_file(static_save_fc_file)
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self.assertTrue(self.save_file, "FemTest saving of file {} failed ...".format(static_save_fc_file))
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# frequency
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fcc_print('Setting analysis type to \'frequency\"')
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fea.set_analysis_type("frequency")
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self.assertTrue(True if fea.analysis_type == 'frequency' else False, "Setting anlysis type to \'frequency\' failed")
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fcc_print('Setting up working directory to {} in order to write frequency calculations'.format(frequency_analysis_dir))
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fea.setup_working_dir(frequency_analysis_dir)
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self.assertTrue(True if fea.working_dir == frequency_analysis_dir else False,
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"Setting working directory {} failed".format(frequency_analysis_dir))
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fcc_print('Checking FEM inp file prerequisites for frequency analysis...')
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error = fea.check_prerequisites()
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self.assertFalse(error, "FemToolsCcx check_prerequisites returned error message: {}".format(error))
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fcc_print('Writing {}/{}.inp for frequency analysis'.format(frequency_analysis_dir, mesh_name))
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error = fea.write_inp_file()
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self.assertFalse(error, "Writing failed")
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fcc_print('Comparing {} to {}/{}.inp'.format(frequency_analysis_inp_file, frequency_analysis_dir, mesh_name))
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ret = self.compare_inp_files(frequency_analysis_inp_file, frequency_analysis_dir + "/" + mesh_name + '.inp')
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self.assertFalse(ret, "FemToolsCcx write_inp_file test failed.\n{}".format(ret))
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fcc_print('Setting up working directory to {} in order to read simulated calculations'.format(test_file_dir))
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fea.setup_working_dir(test_file_dir)
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self.assertTrue(True if fea.working_dir == test_file_dir else False,
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"Setting working directory {} failed".format(test_file_dir))
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fcc_print('Setting base name to read test {}.frd file...'.format(frequency_base_name))
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fea.set_base_name(frequency_base_name)
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self.assertTrue(True if fea.base_name == frequency_base_name else False,
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"Setting base name to {} failed".format(frequency_base_name))
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fcc_print('Setting inp file name to read test {}.frd file...'.format('cube_frequency'))
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fea.set_inp_file_name()
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self.assertTrue(True if fea.inp_file_name == frequency_analysis_inp_file else False,
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"Setting inp file name to {} failed".format(frequency_analysis_inp_file))
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fcc_print('Checking FEM frd file read from frequency analysis...')
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fea.load_results()
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self.assertTrue(fea.results_present, "Cannot read results from {}.frd frd file".format(fea.base_name))
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fcc_print('Reading stats from result object for frequency analysis...')
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ret = self.compare_stats(fea, frequency_expected_values)
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self.assertFalse(ret, "Invalid results read from .frd file")
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fcc_print('Save FreeCAD file for frequency analysis to {}...'.format(frequency_save_fc_file))
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self.save_file(frequency_save_fc_file)
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self.assertTrue(self.save_file, "FemTest saving of file {} failed ...".format(frequency_save_fc_file))
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fcc_print('--------------- End of FEM tests static and frequency analysis ---------------')
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def tearDown(self):
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FreeCAD.closeDocument("FemTest")
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pass
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class TherMechFemTest(unittest.TestCase):
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def setUp(self):
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try:
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FreeCAD.setActiveDocument("TherMechFemTest")
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except:
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FreeCAD.newDocument("TherMechFemTest")
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finally:
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FreeCAD.setActiveDocument("TherMechFemTest")
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self.active_doc = FreeCAD.ActiveDocument
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self.box = self.active_doc.addObject("Part::Box", "Box")
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self.box.Height = 25.4
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self.box.Width = 25.4
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self.box.Length = 203.2
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self.active_doc.recompute()
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def create_new_analysis(self):
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self.analysis = FemAnalysis.makeFemAnalysis('Analysis')
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self.active_doc.recompute()
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def create_new_solver(self):
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self.solver_object = FemSolverCalculix.makeFemSolverCalculix('CalculiX')
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self.solver_object.AnalysisType = 'thermomech'
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self.solver_object.GeometricalNonlinearity = 'linear'
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self.solver_object.ThermoMechSteadyState = True
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self.solver_object.MatrixSolverType = 'default'
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self.solver_object.IterationsThermoMechMaximum = 2000
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self.solver_object.IterationsControlParameterTimeUse = True
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self.active_doc.recompute()
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def create_new_mesh(self):
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self.mesh_object = self.active_doc.addObject('Fem::FemMeshObject', mesh_name)
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self.mesh = Fem.FemMesh()
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with open(spine_points_file, 'r') as points_file:
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reader = csv.reader(points_file)
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for p in reader:
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self.mesh.addNode(float(p[1]), float(p[2]), float(p[3]), int(p[0]))
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with open(spine_volumes_file, 'r') as volumes_file:
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reader = csv.reader(volumes_file)
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for v in reader:
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self.mesh.addVolume([int(v[2]), int(v[1]), int(v[3]), int(v[4]), int(v[5]),
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int(v[7]), int(v[6]), int(v[9]), int(v[8]), int(v[10])],
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int(v[0]))
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self.mesh_object.FemMesh = self.mesh
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self.active_doc.recompute()
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def create_new_material(self):
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self.new_material_object = FemMaterial.makeFemMaterial('MechanicalMaterial')
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mat = self.new_material_object.Material
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mat['Name'] = "Steel-Generic"
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mat['YoungsModulus'] = "200000 MPa"
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mat['PoissonRatio'] = "0.30"
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mat['Density'] = "7900 kg/m^3"
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mat['ThermalConductivity'] = "43.27 W/m/K" # SvdW: Change to Ansys model values
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mat['ThermalExpansionCoefficient'] = "12 um/m/K"
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mat['SpecificHeat'] = "500 J/kg/K" # SvdW: Change to Ansys model values
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self.new_material_object.Material = mat
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def create_fixed_constraint(self):
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self.fixed_constraint = self.active_doc.addObject("Fem::ConstraintFixed", "FemConstraintFixed")
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self.fixed_constraint.References = [(self.box, "Face1")]
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def create_initialtemperature_constraint(self):
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self.initialtemperature_constraint = self.active_doc.addObject("Fem::ConstraintInitialTemperature", "FemConstraintInitialTemperature")
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self.initialtemperature_constraint.initialTemperature = 300.0
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def create_temperature_constraint(self):
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self.temperature_constraint = self.active_doc.addObject("Fem::ConstraintTemperature", "FemConstraintTemperature")
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self.temperature_constraint.References = [(self.box, "Face1")]
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self.temperature_constraint.Temperature = 310.93
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|
|
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def create_heatflux_constraint(self):
|
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self.heatflux_constraint = self.active_doc.addObject("Fem::ConstraintHeatflux", "FemConstraintHeatflux")
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self.heatflux_constraint.References = [(self.box, "Face3"), (self.box, "Face4"), (self.box, "Face5"), (self.box, "Face6")]
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self.heatflux_constraint.AmbientTemp = 255.3722
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self.heatflux_constraint.FilmCoef = 5.678
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|
|
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def save_file(self, fc_file_name):
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self.active_doc.saveAs(fc_file_name)
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|
|
|
def force_unix_line_ends(self, line_list):
|
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new_line_list = []
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for l in line_list:
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if l.endswith("\r\n"):
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l = l[:-2] + '\n'
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new_line_list.append(l)
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return new_line_list
|
|
|
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def compare_inp_files(self, file_name1, file_name2):
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file1 = open(file_name1, 'r')
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f1 = file1.readlines()
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file1.close()
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lf1 = [l for l in f1 if not l.startswith('** written ') if not l.startswith('** file ')]
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lf1 = self.force_unix_line_ends(lf1)
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file2 = open(file_name2, 'r')
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f2 = file2.readlines()
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file2.close()
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lf2 = [l for l in f2 if not l.startswith('** written ') if not l.startswith('** file ')]
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lf2 = self.force_unix_line_ends(lf2)
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import difflib
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diff = difflib.unified_diff(lf1, lf2, n=0)
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result = ''
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|
for l in diff:
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|
result += l
|
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if result:
|
|
result = "Comparing {} to {} failed!\n".format(file_name1, file_name2) + result
|
|
return result
|
|
|
|
def compare_stats(self, fea, stat_file=None):
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if stat_file:
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|
sf = open(stat_file, 'r')
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|
sf_content = sf.readlines()
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|
sf.close()
|
|
sf_content = self.force_unix_line_ends(sf_content)
|
|
stat_types = ["U1", "U2", "U3", "Uabs", "Sabs"]
|
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stats = []
|
|
for s in stat_types:
|
|
stats.append("{}: {}\n".format(s, fea.get_stats(s)))
|
|
if sf_content != stats:
|
|
fcc_print("Expected stats from {}".format(stat_file))
|
|
fcc_print(sf_content)
|
|
fcc_print("Stats read from {}.frd file".format(fea.base_name))
|
|
fcc_print(stats)
|
|
return True
|
|
return False
|
|
|
|
def test_new_analysis(self):
|
|
fcc_print('--------------- Start of FEM tests ---------------')
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|
fcc_print('Checking FEM new analysis...')
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|
self.create_new_analysis()
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|
self.assertTrue(self.analysis, "FemTest of new analysis failed")
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|
|
|
fcc_print('Checking FEM new solver...')
|
|
self.create_new_solver()
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|
self.assertTrue(self.solver_object, "FemTest of new solver failed")
|
|
self.analysis.Member = self.analysis.Member + [self.solver_object]
|
|
|
|
fcc_print('Checking FEM new mesh...')
|
|
self.create_new_mesh()
|
|
self.assertTrue(self.mesh, "FemTest of new mesh failed")
|
|
self.analysis.Member = self.analysis.Member + [self.mesh_object]
|
|
|
|
fcc_print('Checking FEM new material...')
|
|
self.create_new_material()
|
|
self.assertTrue(self.new_material_object, "FemTest of new material failed")
|
|
self.analysis.Member = self.analysis.Member + [self.new_material_object]
|
|
|
|
fcc_print('Checking FEM new fixed constraint...')
|
|
self.create_fixed_constraint()
|
|
self.assertTrue(self.fixed_constraint, "FemTest of new fixed constraint failed")
|
|
self.analysis.Member = self.analysis.Member + [self.fixed_constraint]
|
|
|
|
fcc_print('Checking FEM new initial temperature constraint...')
|
|
self.create_initialtemperature_constraint()
|
|
self.assertTrue(self.initialtemperature_constraint, "FemTest of new initial temperature constraint failed")
|
|
self.analysis.Member = self.analysis.Member + [self.initialtemperature_constraint]
|
|
|
|
fcc_print('Checking FEM new temperature constraint...')
|
|
self.create_temperature_constraint()
|
|
self.assertTrue(self.temperature_constraint, "FemTest of new temperature constraint failed")
|
|
self.analysis.Member = self.analysis.Member + [self.temperature_constraint]
|
|
|
|
fcc_print('Checking FEM new heatflux constraint...')
|
|
self.create_heatflux_constraint()
|
|
self.assertTrue(self.heatflux_constraint, "FemTest of new heatflux constraint failed")
|
|
self.analysis.Member = self.analysis.Member + [self.heatflux_constraint]
|
|
|
|
fea = FemToolsCcx.FemToolsCcx(self.analysis, test_mode=True)
|
|
fcc_print('Setting up working directory {}'.format(thermomech_analysis_dir))
|
|
fea.setup_working_dir(thermomech_analysis_dir)
|
|
self.assertTrue(True if fea.working_dir == thermomech_analysis_dir else False,
|
|
"Setting working directory {} failed".format(thermomech_analysis_dir))
|
|
|
|
fcc_print('Setting analysis type to \'thermomech\"')
|
|
fea.set_analysis_type("thermomech")
|
|
self.assertTrue(True if fea.analysis_type == 'thermomech' else False, "Setting anlysis type to \'thermomech\' failed")
|
|
|
|
fcc_print('Checking FEM inp file prerequisites for thermo-mechanical analysis...')
|
|
error = fea.check_prerequisites()
|
|
self.assertFalse(error, "FemToolsCcx check_prerequisites returned error message: {}".format(error))
|
|
|
|
fcc_print('Checking FEM inp file write...')
|
|
|
|
fcc_print('Writing {}/{}.inp for thermomech analysis'.format(thermomech_analysis_dir, mesh_name))
|
|
error = fea.write_inp_file()
|
|
self.assertFalse(error, "Writing failed")
|
|
|
|
fcc_print('Comparing {} to {}/{}.inp'.format(thermomech_analysis_inp_file, thermomech_analysis_dir, mesh_name))
|
|
ret = self.compare_inp_files(thermomech_analysis_inp_file, thermomech_analysis_dir + "/" + mesh_name + '.inp')
|
|
self.assertFalse(ret, "FemToolsCcx write_inp_file test failed.\n{}".format(ret))
|
|
|
|
fcc_print('Setting up working directory to {} in order to read simulated calculations'.format(test_file_dir))
|
|
fea.setup_working_dir(test_file_dir)
|
|
self.assertTrue(True if fea.working_dir == test_file_dir else False,
|
|
"Setting working directory {} failed".format(test_file_dir))
|
|
|
|
fcc_print('Setting base name to read test {}.frd file...'.format('spine_thermomech'))
|
|
fea.set_base_name(thermomech_base_name)
|
|
self.assertTrue(True if fea.base_name == thermomech_base_name else False,
|
|
"Setting base name to {} failed".format(thermomech_base_name))
|
|
|
|
fcc_print('Setting inp file name to read test {}.frd file...'.format('spine_thermomech'))
|
|
fea.set_inp_file_name()
|
|
self.assertTrue(True if fea.inp_file_name == thermomech_analysis_inp_file else False,
|
|
"Setting inp file name to {} failed".format(thermomech_analysis_inp_file))
|
|
|
|
fcc_print('Checking FEM frd file read from thermomech analysis...')
|
|
fea.load_results()
|
|
self.assertTrue(fea.results_present, "Cannot read results from {}.frd frd file".format(fea.base_name))
|
|
|
|
fcc_print('Reading stats from result object for thermomech analysis...')
|
|
ret = self.compare_stats(fea, thermomech_expected_values)
|
|
self.assertFalse(ret, "Invalid results read from .frd file")
|
|
|
|
fcc_print('Save FreeCAD file for thermomech analysis to {}...'.format(thermomech_save_fc_file))
|
|
self.save_file(thermomech_save_fc_file)
|
|
self.assertTrue(self.save_file, "FemTest saving of file {} failed ...".format(thermomech_save_fc_file))
|
|
|
|
fcc_print('--------------- End of FEM tests thermomech analysis ---------------')
|
|
|
|
def tearDown(self):
|
|
FreeCAD.closeDocument("TherMechFemTest")
|
|
pass
|
|
|
|
|
|
# helpers
|
|
def run_fem_unittests():
|
|
import unittest
|
|
suite = unittest.TestSuite()
|
|
suite.addTest(unittest.defaultTestLoader.loadTestsFromName("TestFem"))
|
|
r = unittest.TextTestRunner()
|
|
r.run(suite)
|
|
|
|
|
|
def create_test_results():
|
|
# run FEM unit tests
|
|
run_fem_unittests()
|
|
|
|
import os
|
|
import shutil
|
|
import FemGui
|
|
import FemToolsCcx
|
|
|
|
# static and frequency cube
|
|
FreeCAD.open(static_save_fc_file)
|
|
FemGui.setActiveAnalysis(FreeCAD.ActiveDocument.Analysis)
|
|
fea = FemToolsCcx.FemToolsCcx()
|
|
|
|
# static
|
|
fea.reset_all()
|
|
fea.run()
|
|
|
|
fea.load_results()
|
|
stat_types = ["U1", "U2", "U3", "Uabs", "Sabs"]
|
|
stats_static = [] # we only have one result object so we are fine
|
|
for s in stat_types:
|
|
stats_static.append("{}: {}\n".format(s, fea.get_stats(s)))
|
|
static_expected_values_file = static_analysis_dir + '/cube_static_expected_values'
|
|
f = open(static_expected_values_file, 'w')
|
|
for s in stats_static:
|
|
f.write(s)
|
|
f.close()
|
|
|
|
# could be added in FemToolsCcx to the self object as an Attribut
|
|
frd_result_file = os.path.splitext(fea.inp_file_name)[0] + '.frd'
|
|
dat_result_file = os.path.splitext(fea.inp_file_name)[0] + '.dat'
|
|
|
|
frd_static_test_result_file = static_analysis_dir + '/cube_static.frd'
|
|
dat_static_test_result_file = static_analysis_dir + '/cube_static.dat'
|
|
shutil.copyfile(frd_result_file, frd_static_test_result_file)
|
|
shutil.copyfile(dat_result_file, dat_static_test_result_file)
|
|
|
|
# frequency
|
|
fea.reset_all()
|
|
fea.set_analysis_type('frequency')
|
|
fea.solver.EigenmodesCount = 1 # we should only have one result object
|
|
fea.run()
|
|
|
|
fea.load_results()
|
|
stats_frequency = [] # since we set eigenmodeno. we only have one result object so we are fine
|
|
for s in stat_types:
|
|
stats_frequency.append("{}: {}\n".format(s, fea.get_stats(s)))
|
|
frequency_expected_values_file = frequency_analysis_dir + '/cube_frequency_expected_values'
|
|
f = open(frequency_expected_values_file, 'w')
|
|
for s in stats_frequency:
|
|
f.write(s)
|
|
f.close()
|
|
|
|
frd_frequency_test_result_file = frequency_analysis_dir + '/cube_frequency.frd'
|
|
dat_frequency_test_result_file = frequency_analysis_dir + '/cube_frequency.dat'
|
|
shutil.copyfile(frd_result_file, frd_frequency_test_result_file)
|
|
shutil.copyfile(dat_result_file, dat_frequency_test_result_file)
|
|
|
|
# thermomech
|
|
FreeCAD.open(thermomech_save_fc_file)
|
|
FemGui.setActiveAnalysis(FreeCAD.ActiveDocument.Analysis)
|
|
fea = FemToolsCcx.FemToolsCcx()
|
|
fea.reset_all()
|
|
fea.run()
|
|
|
|
fea.load_results()
|
|
stat_types = ["U1", "U2", "U3", "Uabs", "Sabs"]
|
|
stats_thermomech = [] # we only have one result object so we are fine
|
|
for s in stat_types:
|
|
stats_thermomech.append("{}: {}\n".format(s, fea.get_stats(s)))
|
|
thermomech_expected_values_file = thermomech_analysis_dir + '/expected_values_thermomech'
|
|
f = open(thermomech_expected_values_file, 'w')
|
|
for s in stats_thermomech:
|
|
f.write(s)
|
|
f.close()
|
|
|
|
# could be added in FemToolsCcx to the self object as an Attribut
|
|
frd_result_file = os.path.splitext(fea.inp_file_name)[0] + '.frd'
|
|
dat_result_file = os.path.splitext(fea.inp_file_name)[0] + '.dat'
|
|
|
|
frd_thermomech_test_result_file = thermomech_analysis_dir + '/spine_thermomech.frd'
|
|
dat_thermomech_test_result_file = thermomech_analysis_dir + '/spine_thermomech.dat'
|
|
shutil.copyfile(frd_result_file, frd_thermomech_test_result_file)
|
|
shutil.copyfile(dat_result_file, dat_thermomech_test_result_file)
|
|
|
|
print('Results copied to the appropriate FEM test dirs in: ' + temp_dir)
|
|
|
|
|
|
'''
|
|
update the results in FEM untit tests:
|
|
|
|
import TestFem
|
|
TestFem.create_test_results()
|
|
|
|
copy result files from FEM test directories into the src dirctory
|
|
compare the results with git difftool
|
|
run make
|
|
start FreeCAD and run FEM unit test
|
|
if FEM unit test is fine --> commit new FEM unit test results
|
|
|
|
TODO compare the inp file of the helper with the inp file of FEM unit tests
|
|
'''
|