272 lines
12 KiB
Python
272 lines
12 KiB
Python
# ***************************************************************************
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# * Copyright (c) 2018 - FreeCAD Developers *
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# * Author: Bernd Hahnebach <bernd@bimstatik.org> *
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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 FreeCAD
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import unittest
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from . import utilstest as testtools
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from .utilstest import fcc_print
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from os.path import join
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class TestResult(unittest.TestCase):
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fcc_print('import TestResult')
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def setUp(self):
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# init, is executed before every test
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self.doc_name = "TestResult"
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try:
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FreeCAD.setActiveDocument(self.doc_name)
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except:
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FreeCAD.newDocument(self.doc_name)
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finally:
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FreeCAD.setActiveDocument(self.doc_name)
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self.active_doc = FreeCAD.ActiveDocument
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def test_read_frd_massflow_networkpressure(self):
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# read data from frd file
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frd_file = join(testtools.get_fem_test_home_dir(), 'ccx', 'Flow1D_thermomech.frd')
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from feminout.importCcxFrdResults import read_frd_result as read_frd
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frd_content = read_frd(frd_file)
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# do something with the read data
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frd_content_len = []
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for key in sorted(frd_content.keys()):
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frd_content_len.append(len(frd_content[key]))
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print('read data')
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print(frd_content_len)
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print(sorted(frd_content.keys()))
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# print(frd_content)
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read_mflow = frd_content['Results'][12]['mflow']
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read_npressure = frd_content['Results'][12]['npressure']
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res_len = [
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len(read_mflow),
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len(read_npressure)
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]
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print(res_len)
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print(read_mflow)
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print(read_npressure)
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# create the expected data
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print('\nexpected data')
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efc = {} # expected frd content
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efc['Nodes'] = {
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2: FreeCAD.Vector(0.0, 0.0, -50.0),
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3: FreeCAD.Vector(0.0, 0.0, -4300.0),
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4: FreeCAD.Vector(4950.0, 0.0, -4300.0),
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5: FreeCAD.Vector(5000.0, 0.0, -4300.0),
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6: FreeCAD.Vector(8535.53, 0.0, -7835.53),
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7: FreeCAD.Vector(8569.88, 0.0, -7870.88),
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8: FreeCAD.Vector(12105.4, 0.0, -11406.4),
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9: FreeCAD.Vector(12140.8, 0.0, -11441.8),
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10: FreeCAD.Vector(13908.5, 0.0, -13209.5),
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11: FreeCAD.Vector(13943.9, 0.0, -13244.9),
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12: FreeCAD.Vector(15047.0, 0.0, -14348.0),
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13: FreeCAD.Vector(15047.0, 0.0, -7947.97),
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15: FreeCAD.Vector(0.0, 0.0, 0.0),
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16: FreeCAD.Vector(0.0, 0.0, -2175.0),
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17: FreeCAD.Vector(2475.0, 0.0, -4300.0),
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18: FreeCAD.Vector(4975.0, 0.0, -4300.0),
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19: FreeCAD.Vector(6767.77, 0.0, -6067.77),
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20: FreeCAD.Vector(8552.71, 0.0, -7853.21),
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21: FreeCAD.Vector(10337.6, 0.0, -9638.64),
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22: FreeCAD.Vector(12123.1, 0.0, -11424.1),
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23: FreeCAD.Vector(13024.6, 0.0, -12325.6),
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24: FreeCAD.Vector(13926.2, 0.0, -13227.2),
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25: FreeCAD.Vector(14495.4, 0.0, -13796.4),
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26: FreeCAD.Vector(15047.0, 0.0, -11148.0),
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27: FreeCAD.Vector(15047.0, 0.0, -7897.97)
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}
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efc['Seg2Elem'] = {
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1: (15, 2),
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13: (13, 27)
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}
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efc['Seg3Elem'] = {}
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''' deleted during reading because of the inout file
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efc['Seg3Elem'] = {
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2: (2, 16, 3),
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3: (3, 17, 4),
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4: (4, 18, 5),
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5: (5, 19, 6),
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6: (6, 20, 7),
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7: (7, 21, 8),
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8: (8, 22, 9),
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9: (9, 23, 10),
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10: (10, 24, 11),
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11: (11, 25, 12),
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12: (12, 26, 13)
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}
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'''
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efc['Tria3Elem'] = efc['Tria6Elem'] = efc['Quad4Elem'] = efc['Quad8Elem'] = {} # faces
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efc['Tetra4Elem'] = efc['Tetra10Elem'] = efc['Hexa8Elem'] = efc['Hexa20Elem'] = efc['Penta6Elem'] = efc['Penta15Elem'] = {} # volumes
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efc['Results'] = [
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{'time': 0.00390625},
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{'time': 0.0078125},
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{'time': 0.0136719},
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{'time': 0.0224609},
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{'time': 0.0356445},
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{'time': 0.0554199},
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{'time': 0.085083},
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{'time': 0.129578},
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{'time': 0.19632},
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{'time': 0.296432},
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{'time': 0.446602},
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{'time': 0.671856},
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{
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'number': 0,
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'time': 1.0,
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'mflow': {
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1: 78.3918, # added during reading because of the inout file
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2: 78.3918,
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3: 78.3918,
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4: 78.3918,
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5: 78.3918,
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6: 78.3918,
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7: 78.3918,
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8: 78.3918,
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9: 78.3918,
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10: 78.3918,
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11: 78.3918,
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12: 78.3918,
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13: 78.3918,
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15: 78.3918,
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16: 78.3918,
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17: 78.3918,
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18: 78.3918,
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19: 78.3918,
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20: 78.3918,
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21: 78.3918,
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22: 78.3918,
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23: 78.3918,
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24: 78.3918,
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25: 78.3918,
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26: 78.3918,
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27: 78.3918,
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28: 78.3918 # added during reading because of the inout file
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},
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'npressure': {
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1: 0.1, # added during reading because of the inout file
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2: 0.1,
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3: 0.134840,
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4: 0.128261,
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5: 0.127949,
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6: 0.155918,
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7: 0.157797,
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8: 0.191647,
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9: 0.178953,
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10: 0.180849,
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11: 0.161476,
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12: 0.162658,
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13: 0.1,
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15: 0.1,
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16: 0.117420,
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17: 0.131551,
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18: 0.128105,
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19: 0.141934,
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20: 0.156857,
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21: 0.174722,
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22: 0.185300,
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23: 0.179901,
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24: 0.171162,
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25: 0.162067,
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26: 0.131329,
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27: 0.1,
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28: 0.1 # added during reading because of the inout file
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}
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}
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]
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expected_frd_content = efc
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# do something with the expected data
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expected_frd_content_len = []
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for key in sorted(expected_frd_content.keys()):
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expected_frd_content_len.append(len(expected_frd_content[key]))
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print(expected_frd_content_len)
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print(sorted(expected_frd_content.keys()))
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# expected results
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expected_mflow = expected_frd_content['Results'][12]['mflow']
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expected_npressure = expected_frd_content['Results'][12]['npressure']
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expected_res_len = [
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len(expected_mflow),
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len(expected_npressure)
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]
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print(expected_res_len)
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print(expected_mflow)
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print(expected_npressure)
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# tests
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self.assertEqual(frd_content_len, expected_frd_content_len, "Length's of read frd data values are unexpected")
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self.assertEqual(frd_content['Nodes'], expected_frd_content['Nodes'], "Values of read node data are unexpected")
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self.assertEqual(frd_content['Seg2Elem'], expected_frd_content['Seg2Elem'], "Values of read Seg2 data are unexpected")
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self.assertEqual(frd_content['Seg3Elem'], expected_frd_content['Seg3Elem'], "Values of read Seg3 data are unexpected")
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self.assertEqual(res_len, expected_res_len, "Length's of read result data values are unexpected")
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self.assertEqual(read_mflow, expected_mflow, "Values of read mflow result data are unexpected")
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self.assertEqual(read_npressure, expected_npressure, "Values of read npressure result data are unexpected")
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def get_stress_values(self):
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# node 5 von calculix cantilver 3D example
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# doc = FreeCAD.open(FreeCAD.ConfigGet("AppHomePath") + 'data/examples/FemCalculixCantilever3D.FCStd')
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# doc.Box_Mesh.FemMesh.Nodes[5]
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# Vector (0.0, 1000.0, 0.0)
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# res = doc.CalculiX_static_results
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# stress = (res.NodeStressXX[4], res.NodeStressYY[4], res.NodeStressZZ[4], res.NodeStressXY[4], res.NodeStressXZ[4],res.NodeStressYZ[4])
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stress = (
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-4.52840E+02, # Sxx
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-1.94075E+02, # Syy
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-1.94075E+02, # Szz
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6.11223E+01, # Sxy
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-2.60754E+01, # Sxz
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6.92759E-05 # Syz
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)
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return stress
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def test_stress_von_mises(self):
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expected_mises = 283.2082
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from femresult.resulttools import calculate_von_mises as vm
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mises = vm(self.get_stress_values())
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# fcc_print(round(mises, 4))
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self.assertEqual(round(mises, 4), expected_mises, "Calculated von Mises stress is not the expected value.")
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def test_stress_principal(self):
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expected_principal = (-178.0076, -194.0749, -468.9075, 145.4499)
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from femresult.resulttools import calculate_principal_stress as pr
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prin = pr(self.get_stress_values())
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rounded_prin = (round(prin[0], 4), round(prin[1], 4), round(prin[2], 4), round(prin[3], 4))
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# fcc_print(rounded_prin)
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self.assertEqual(rounded_prin, expected_principal, "Calculated principal stresses are not the expected values.")
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def test_disp_abs(self):
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expected_dispabs = 87.302986
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disp_xyz = [FreeCAD.Vector(8.12900E+00, 3.38889E-02, -8.69237E+01)] # x, y, z in node 4 of CalculiX cantilver face load
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from femresult.resulttools import calculate_disp_abs as dp
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disp_abs = round(dp(disp_xyz)[0], 6)
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# fcc_print(disp_abs)
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self.assertEqual(disp_abs, expected_dispabs, "Calculated displacement abs are not the expected values.")
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def tearDown(self):
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# clearance, is executed after every test
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FreeCAD.closeDocument(self.doc_name)
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pass
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