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FEM: oofem unit tests, input file writing:
- PlaneStress2D - cantilever ccx node load - cantilever ccx prescribed displacement
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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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| __title__ = "Solver OOFEM unit tests" | ||
| __author__ = "Bernd Hahnebach" | ||
| __url__ = "http://www.freecadweb.org" | ||
|
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||
| import unittest | ||
| from os.path import join | ||
|
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||
| import FreeCAD | ||
|
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| from . import support_utils as testtools | ||
| from .support_utils import fcc_print | ||
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|
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| class TestOofem(unittest.TestCase): | ||
| fcc_print("import TestOofem") | ||
|
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| # ******************************************************************************************** | ||
| def setUp( | ||
| self | ||
| ): | ||
| # setUp is executed before every test | ||
| # setting up a document to hold the tests | ||
| self.doc_name = self.__class__.__name__ | ||
| if FreeCAD.ActiveDocument: | ||
| if FreeCAD.ActiveDocument.Name != self.doc_name: | ||
| FreeCAD.newDocument(self.doc_name) | ||
| else: | ||
| FreeCAD.newDocument(self.doc_name) | ||
| FreeCAD.setActiveDocument(self.doc_name) | ||
| self.active_doc = FreeCAD.ActiveDocument | ||
|
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||
| # more inits | ||
| self.mesh_name = "Mesh" | ||
| self.temp_dir = testtools.get_fem_test_tmp_dir() | ||
| self.test_file_dir = join( | ||
| testtools.get_fem_test_home_dir(), | ||
| "oofem" | ||
| ) | ||
|
|
||
| # ******************************************************************************************** | ||
| def test_planestress2d( | ||
| self | ||
| ): | ||
| # test oofem input file writing for oofem manual example PlaneStress2D.in | ||
| from femexamples.oofem_planestress2d import setup | ||
| setup(self.active_doc, "oofem") | ||
| self.write_inputfile("OOFEM_PlaneStress2D") | ||
|
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| # ******************************************************************************************** | ||
| def test_cantileverccxnodeload( | ||
| self | ||
| ): | ||
| # test oofem input file writing for CalculiX cantilever loaded by 9 MN as node loads | ||
| from femexamples.ccx_cantilever_std import setup_cantilevernodeload as cantinoadload | ||
| cantinoadload(self.active_doc, "oofem") | ||
| self.write_inputfile("OOFEM_CantileverCcxNodeLoad") | ||
|
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| # ******************************************************************************************** | ||
| def test_canticcxprescribeddisp( | ||
| self | ||
| ): | ||
| # test oofem input file writing for CalculiX cantilever loaded by 9 MN as node loads | ||
| from femexamples.ccx_cantilever_std import \ | ||
| setup_cantileverprescribeddisplacement as cantipredisp | ||
| cantipredisp(self.active_doc, "oofem") | ||
| self.write_inputfile("OOFEM_CantileverCcxPrescribedDisplacement") | ||
|
|
||
| # ******************************************************************************************** | ||
| def write_inputfile( | ||
| self, | ||
| static_base_name | ||
| ): | ||
|
|
||
| # recompute | ||
| self.active_doc.recompute() | ||
|
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| # fcc_print(self.active_doc.Objects) | ||
| # fcc_print([obj.Name for obj in self.active_doc.Objects]) | ||
|
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| # save file, needs before input file writing because of besides dir | ||
| solverframework_analysis_dir = testtools.get_unit_test_tmp_dir( | ||
| testtools.get_fem_test_tmp_dir(), | ||
| "FEM_oofem" | ||
| ) | ||
| save_fc_file = join(solverframework_analysis_dir, static_base_name) + ".FCStd" | ||
| fcc_print( | ||
| "Save FreeCAD file for {} analysis to {}" | ||
| .format(static_base_name, save_fc_file) | ||
| ) | ||
| self.active_doc.saveAs(save_fc_file) | ||
|
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| # solver | ||
| solver = self.active_doc.SolverOOFEM | ||
|
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| # get analysis workig dir | ||
| from femtools.femutils import get_beside_dir | ||
| working_dir = get_beside_dir(solver) | ||
|
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| fcc_print("Checking FEM OOFEM solver ...") | ||
| fcc_print("machine_oofem") | ||
|
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| # write input file | ||
| from femsolver.run import PREPARE | ||
| # set up the machine with testmode True | ||
| machine_oofem = solver.Proxy.createMachine(solver, working_dir, True) | ||
| machine_oofem.target = PREPARE | ||
| machine_oofem.start() | ||
| machine_oofem.join() # wait for the machine to finish. | ||
|
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| # compare input files | ||
| inpfile_given = join( | ||
| testtools.get_fem_test_home_dir(), | ||
| "oofem", | ||
| (static_base_name + ".in") | ||
| ) | ||
| inpfile_totest = join( | ||
| working_dir, | ||
| (self.mesh_name + ".in") | ||
| ) | ||
| fcc_print( | ||
| "Comparing {} to {}" | ||
| .format(inpfile_given, inpfile_totest) | ||
| ) | ||
| ret = testtools.compare_inp_files( | ||
| inpfile_given, | ||
| inpfile_totest | ||
| ) | ||
| self.assertFalse( | ||
| ret, | ||
| "OOFEM write_inp_file for {0} test failed.\n{1}".format(static_base_name, ret) | ||
| ) | ||
|
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||
| # ******************************************************************************************** | ||
| def tearDown( | ||
| self | ||
| ): | ||
| FreeCAD.closeDocument(self.doc_name) | ||
| fcc_print("Document closed") | ||
| pass | ||
|
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| """ | ||
| make -j4 && ./bin/FreeCAD --run-test "femtest.app.test_solveroofem.TestOofem" | ||
| make -j4 && ./bin/FreeCAD --run-test "femtest.app.test_solveroofem.TestOofem.test_planestress2d" | ||
| make -j4 && ./bin/FreeCAD --run-test "femtest.app.test_solveroofem.TestOofem.test_cantileverccxnodeload" | ||
| make -j4 && ./bin/FreeCAD --run-test "femtest.app.test_solveroofem.TestOofem.test_canticcxprescribeddisp" | ||
| """ |
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