예제 #1
0
    def test_solid_03(self):
        """checks linear static solid material"""
        mid = 2
        pid = 4
        rho = 0.1
        tableID = 42
        cards = [
            #$ Solid Nodes
            ['GRID', 11, 0, 0., 0., 0., 0],
            ['GRID', 12, 0, 1., 0., 0., 0],
            ['GRID', 13, 0, 1., 1., 0., 0],
            ['GRID', 14, 0, 0., 1., 0., 0],

            ['GRID', 15, 0, 0., 0., 2., 0],
            ['GRID', 16, 0, 1., 0., 2., 0],
            ['GRID', 17, 0, 1., 1., 2., 0],
            ['GRID', 18, 0, 0., 1., 2., 0],

            # Solids
            ['CHEXA',  7, pid, 11, 12, 13, 14, 15, 16,  17, 18],
            ['CTETRA', 8, pid, 11, 12, 13, 15],

            # Solid Nodes
            ['GRID',  21, 0, 0., 0., 0.,  0,],
            ['GRID',  22, 0, 1., 0., 0.,  0,],
            ['GRID',  23, 0, 1., 1., 0.,  0,],
            ['GRID',  24, 0, 0., 0., 2.,  0,],
            ['GRID',  25, 0, 1., 0., 2.,  0,],
            ['GRID',  26, 0, 1., 1., 2.,  0,],
            ['CPENTA', 9, pid, 21, 22, 23, 24, 25, 26],

            # static
            ['PSOLID', pid, mid, 0],
            ['MAT1', mid, 1.0, 2.0, 3.0, rho],
            ['MATS1', mid, tableID, 'PLASTIC', 0.0, 1, 1, 100000., ],
            #['TABLEST'],
            ['TABLES1', tableID, 1, None, None, None, None, None, None,
            1.0, 10.0, 2.0, 10.0, 'ENDT'],
        ]
        card_count = {
            'GRID' : 14,
            'CPENTA6': 1,
            'CTETRA4': 1,
            'PSOLID': 1,
            'CHEXA8' : 1,
            'MAT1': 1,
            'MATS1': 1,
            'TABLES1': 1,
        }
        model = BDF(debug=False)
        model.allocate(card_count)
        for fields in cards:
            model.add_card(fields, fields[0], is_list=True)
        model.cross_reference()

        mat = model.materials[mid]
        print('----MAT----', type(mat))
        print(mat)
        print('E = %s' % mat.get_E_by_material_index())
        print('E = %s' % mat.get_E_by_material_id())
예제 #2
0
    def test_solid_02(self):
        mid = 2
        pid = 4
        rho = 0.1
        cards = [
            #$ Solid Nodes
            ['GRID', 11, 0, 0., 0., 0., 0],
            ['GRID', 12, 0, 1., 0., 0., 0],
            ['GRID', 13, 0, 1., 1., 0., 0],
            ['GRID', 14, 0, 0., 1., 0., 0],

            ['GRID', 15, 0, 0., 0., 2., 0],
            ['GRID', 16, 0, 1., 0., 2., 0],
            ['GRID', 17, 0, 1., 1., 2., 0],
            ['GRID', 18, 0, 0., 1., 2., 0],

            # Solids
            ['CHEXA', 7, pid, 11, 12, 13, 14, 15, 16,  17, 18],
            ['CTETRA', 8, pid, 11, 12, 13, 15],

            # Solid Nodes
            ['GRID', 21, 0, 0., 0., 0.,  0,],
            ['GRID', 22, 0, 1., 0., 0.,  0,],
            ['GRID', 23, 0, 1., 1., 0.,  0,],
            ['GRID', 24, 0, 0., 0., 2.,  0,],
            ['GRID', 25, 0, 1., 0., 2.,  0,],
            ['GRID', 26, 0, 1., 1., 2.,  0,],
            ['CPENTA', 9, pid, 21, 22, 23, 24, 25, 26],

            # hyperelastic
            ['PLSOLID', pid, mid, 'GRID'],
            ['MATHP', mid, None, None, None, rho],
        ]
        card_count = {
            'GRID' : 14,
            'CTETRA4': 1,
            'CPENTA6': 1,
            'CHEXA8' : 1,
            'PLSOLID': 1,
            'MATHP': 1,
        }
        model = BDF(debug=True)
        model.allocate(card_count)
        for fields in cards:
            model.add_card(fields, fields[0], is_list=True)
        model.cross_reference()

        # CTETRA
        eid = 8
        nsm = 0.
        V = 1. / 3.
        self.check_solid(model, eid, 'CTETRA4', pid, 'PLSOLID', mid, 'MATHP', nsm, rho, V)

        eid = 9
        V = 1.0
        self.check_solid(model, eid, 'CPENTA6', pid, 'PLSOLID', mid, 'MATHP', nsm, rho, V)

        eid = 7
        V = 2.0
        self.check_solid(model, eid, 'CHEXA8', pid, 'PLSOLID', mid, 'MATHP', nsm, rho, V)
예제 #3
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    def test_cord2r_1(self):
        grid = ['GRID       20143       7 -9.31-4  .11841 .028296']
        coord = [
            'CORD2R         7           1.135 .089237  -.0676    .135 .089237  -.0676',
            '           1.135 .089237   .9324'
        ]

        model = BDF(debug=False)
        card = model.process_card(grid)
        model.add_card(card, card[0])

        card = model.process_card(coord)
        model.add_card(card, card[0])
        model.cross_reference()

        g = model.Node(20143)
        #print(g.Position(debug=False))

        # by running it through Patran...
        #GRID     20143          1.1067  .207647 -.068531
        diff = g.Position() - array([1.106704, .207647, -0.068531])

        msg = 'diff=%s' % diff
        assert allclose(diff, 0.), msg
        coord = model.Coord(7)
        coord.T()
        self.assertTrue(array_equal(coord.T(), coord.beta_n(2)))
예제 #4
0
    def getNodes(self, grids, grids_expected, coords, debug=False):
        model = BDF(debug=False)

        for grid in grids:
            (nid, cid, x, y, z) = grid
            model.add_card(['GRID', nid, cid, x, y, z], 'GRID')
            #gridObj = model.Node(nid)
            #if debug:
            #print(gridObj)

        for coord in coords:
            #print coord
            (cid, rid, x, y, z) = coord
            model.add_card(['CORD2R', cid, rid] + x + y + z, 'CORD2R')
            coordObj = model.Coord(cid)
            if debug:
                print(coordObj)

        model.cross_reference()

        for (i, grid) in enumerate(grids_expected):
            (nid, cid, x, y, z) = grid
            nodes = model.grid
            pos = nodes.get_positions([nid])
            n = array([x, y, z])
            msg = 'i=%s expected=%s actual=%s\n' % (i, n, pos)
            print(msg)
            assert allclose(n, pos), msg
예제 #5
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    def test_cord2_bad_01(self):
        model = BDF(debug=False)
        cards = [
            ['CORD2R', 1, 0, 0., 0., 0., 0., 0., 0., 0., 0.,
             0.],  # fails on self.k
            ['CORD2R', 2, 0, 0., 0., 0., 1., 0., 0., 0., 0.,
             0.],  # fails on normalize self.j
            ['CORD2R', 3, 0, 0., 0., 0., 1., 0., 0., 1., 1., 0.],  # passes
            ['CORD2R', 4, 0, 0., 1., 0., 1., 0., 0., 1., 1., 0.],  # passes
            ['CORD2R', 5, 4, 0., 1., 0., 1., 0., 0., 1., 1., 0.],  # passes
        ]
        for card in cards:
            cid = card[1]
            if cid in [1, 2]:
                with self.assertRaises(RuntimeError):
                    model.add_card(card, card[0], is_list=True)
            else:
                model.add_card(card, card[0], is_list=True)

        # this runs because it's got rid=0
        cord4 = model.Coord(4)
        cord4.transformToGlobal([0., 0., 0.])

        # this doesn't run because rid != 0
        cord5 = model.Coord(5)
        with self.assertRaises(RuntimeError):
            cord5.transformToGlobal([0., 0., 0.])
        model.cross_reference()
예제 #6
0
    def test_cord1_01(self):
        model = BDF(debug=False)
        card_count = {
            'CCORD1R' : 1,
            'GRID' : 3,
        }
        model.allocate(card_count)
        cards = [
            ['CORD1R', 1, 1, 2, 3],  # fails on self.k
            ['GRID', 1, 0, 0., 0., 0.],
            ['GRID', 2, 0, 1., 0., 0.],
            ['GRID', 3, 0, 1., 1., 0.],
        ]
        for card in cards:
            model.add_card(card, card[0], comment='comment', is_list=True)
        c1 = model.Coord(1)
        self.assertEquals(c1.G1(), 1)
        self.assertEquals(c1.G2(), 2)
        self.assertEquals(c1.G3(), 3)

        model.cross_reference()
        self.assertEquals(c1.G1(), 1)
        self.assertEquals(c1.G2(), 2)
        self.assertEquals(c1.G3(), 3)

        self.assertEquals(c1.NodeIDs(), [1, 2, 3])
예제 #7
0
    def getNodes(self, grids, grids_expected, coords):
        model = BDF(debug=False)

        card_count = {
            'GRID' : len(grids),
            'CORD2R' : len(coords),
        }
        model.allocate(card_count)
        for grid in grids:
            (nid, cid, x, y, z) = grid
            model.add_card(['GRID', nid, cid, x, y, z], 'GRID')

        for coord in coords:
            (cid, rid, x, y, z) = coord
            model.add_card(['CORD2R', cid, rid] + x + y + z, 'CORD2R')
            #coordObj = model.Coord(cid)

        model.cross_reference()

        for (i, grid) in enumerate(grids_expected):
            (nid, cid, x, y, z) = grid
            nodes = model.grid
            pos = nodes.get_position_by_node_id([nid])[0]
            n = array([x, y, z])
            msg = 'i=%s expected=%s actual=%s\n' % (i, n, pos)
            print(msg)
            assert allclose(n, pos), msg
예제 #8
0
    def test_cord2r_02(self):
        grid = ['GRID       20143       7 -9.31-4  .11841 .028296']
        coord = ['CORD2R         7           1.135 .089237  -.0676    .135 .089237  -.0676',
                 '           1.135 .089237   .9324']

        model = BDF(debug=False)
        card_count = {
            'GRID' : 1,
            'CORD2R' : 1,
        }
        model.allocate(card_count)
        card = model.process_card(grid)
        model.add_card(card, card[0])

        card = model.process_card(coord)
        model.add_card(card, card[0])
        model.cross_reference()

        g = model.Node(20143)
        #xyz = g.Position()
        xyz = model.coords.get_global_position_by_node_id(20143, g.cp[0])[0]

        # by running it through Patran...
        #GRID     20143          1.1067  .207647 -.068531
        expected = array([1.106704, .207647, -0.068531])
        diff = xyz - expected

        msg = '\nexpected=%s \nactual  =%s \ndiff    =%s' % (expected, xyz, diff)
        assert allclose(diff, 0.), msg
        coord = model.Coord(7)
        coord.T()
        self.assertTrue(array_equal(coord.T(), coord.beta_n(2)))
예제 #9
0
    def add_card(self, card_lines, card_name, comment='', is_list=True):
        card_name = card_name.upper()
        self._increase_card_count(card_name)
        if card_name in ['DEQATN']:
            card_obj = card_lines
            card = card_lines
        else:
            if is_list:
                fields = card_lines
            else:
                fields = to_fields(card_lines, card_name)

            # apply OPENMDAO syntax
            if self._is_dynamic_syntax:
                fields = [self._parse_dynamic_syntax(field) if '%' in
                          field[0:1] else field for field in fields]

                card = wipe_empty_fields([interpret_value(field, fields)
                                          if field is not None
                                          else None for field in fields])
            else:  # leave everything as strings
                card = wipe_empty_fields(fields)
            card_obj = BDFCard(card)

        if card_name == 'HYPER':
            hyper = HYPER(card_obj, comment)
            self.hyper[hyper.pid] = hyper
            return
        elif card_name == 'FLOW':
            flow = FLOW(card_obj, comment)
            self.flow[flow.flow_id] = flow
            return
        BDF.add_card(self, card, card_name, comment=comment, is_list=True)
예제 #10
0
    def test_cord1c_01(self):
        lines = ['cord1c,2,1,4,3']
        grids = [
            ['GRID', 4, 0, 0.0, 0., 0.],
            ['GRID', 3, 0, 0.0, 0., 1.],
            ['GRID', 1, 0, 0.0, 1., 0.],
        ]

        card_count = {
            'CORD1C' : 1,
            'GRID' : 3,
        }

        model = BDF(debug=False)
        model.allocate(card_count)
        model.add_card(lines, 'CORD1C', is_list=False)
        for grid in grids:
            model.add_card(grid, grid[0], is_list=True)
        model.build()

        size = 8
        bdf_file = StringIO()
        card = model.coords.slice_by_coord_id(2)
        self.assertEquals(card.get_cid_by_coord_id(), 2)
        self.assertEquals(card.get_rid_by_coord_id(), 0)
        card.write_card(bdf_file, size=8, is_double=False)
예제 #11
0
    def test_cord1c_01(self):
        lines = ['cord1c,2,1,4,3']
        grids = [
            ['GRID', 4, 0, 0.0, 0., 0.],
            ['GRID', 3, 0, 0.0, 0., 1.],
            ['GRID', 1, 0, 0.0, 1., 0.],
        ]

        card_count = {
            'CORD1C': 1,
            'GRID': 3,
        }

        model = BDF(debug=False)
        model.allocate(card_count)
        model.add_card(lines, 'CORD1C', is_list=False)
        for grid in grids:
            model.add_card(grid, grid[0], is_list=True)
        model.build()

        size = 8
        bdf_file = StringIO()
        card = model.coords.slice_by_coord_id(2)
        self.assertEquals(card.get_cid_by_coord_id(), 2)
        self.assertEquals(card.get_rid_by_coord_id(), 0)
        card.write_card(bdf_file, size=8, is_double=False)
예제 #12
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    def test_cord2_rcs_03(self):
        """
        all points are located at <30,40,50>
        """
        model = BDF(debug=False)
        card_count = {
            'GRID' : 3,
            'CORD2R' : 1,
            'CORD2C' : 1,
            'CORD2S' : 2,
        }
        model.allocate(card_count)

        cards = [
            [
                'CORD2S*                2               0              0.              0.',
                '*                     0.              0.              0.              1.*       ',
                '*                     1.              0.              1.',],
            [
                #'$ Femap with NX Nastran Coordinate System 30 : rectangular in spherical',
                'CORD2R*               30               2             14.             30.',
                '*                    70.    13.431863852   32.1458443949   75.2107442927*       ',
                '*          14.4583462334   33.4569982885   68.2297989286',],
            [
                #'$ Femap with NX Nastran Coordinate System 31 : cylindrical in spherical',
                'CORD2C*               31               2              3.             42.',
                '*                  -173.   2.86526881213   45.5425615252   159.180363517*       ',
                '*          3.65222385965   29.2536614627  -178.631312271',],
            [
                #'$ Femap with NX Nastran Coordinate System 32 : spherical in spherical',
                'CORD2S*               32               2             22.             14.',
                '*                    85.   22.1243073983   11.9537753718   77.9978191005*       ',
                '*          21.0997242967   13.1806120497   88.4824763008',],
            [
                'GRID*                 30              30   40.7437952957  -23.6254877994',
                '*           -33.09784854               0',],
            [
                'GRID*                 31              31   62.9378078196   15.9774797923',
                '*          31.0484428362               0',],
            [
                'GRID*                 32              32   53.8270847449   95.8215692632',
                '*          159.097767463               0',],
        ]
        for lines in cards:
            card = model.process_card(lines)
            model.add_card(card, card[0])
        model.build()
        for nid in model.nodes:
            a = array([30., 40., 50.])
            b = model.Node(nid).get_position()
            self.assertTrue(allclose(array([30., 40., 50.]), model.Node(nid).get_position()), str(a - b))
예제 #13
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 def test_cord2_rcs_02(self):
     """
     all points are located at <30,40,50>
     """
     model = BDF(debug=False)
     card_count = {
         'GRID' : 3,
         'CORD2R' : 1,
         'CORD2C' : 2,
         'CORD2S' : 1,
     }
     model.allocate(card_count)
     cards = [
         [
             'CORD2C*                1               0              0.              0.',
             '*                     0.              0.              0.              1.*       ',
             '*                     1.              0.              1.',],
         [
             #'$ Femap with NX Nastran Coordinate System 20 : rectangular defined in cylindrical',
             'CORD2R*               20               1              7.             20.',
             '*                    -6.   7.07106781187   28.1301023542             -6.*       ',
             '*          7.70710678119             20.  -5.29289321881',],
         [
             #'$ Femap with NX Nastran Coordinate System 21 : cylindrical defined in cylindrical',
             'CORD2C*               21               1             15.            -30.',
             '*                    12.   14.6565766735  -30.3177805524   12.9355733712*       ',
             '*          14.6234241583  -26.4257323272   11.9304419665',],
         [
             #'$ Femap with NX Nastran Coordinate System 22 : spherical defined in cylindrical',
             'CORD2S*               22               1              5.            -75.',
             '*                    20.   5.66032384035  -82.9319986389   19.8502545865*       ',
             '*          4.88876051026  -73.8006653677   19.0116094889',],
         [
             'GRID*                 20              20   64.2559135157  -14.9400459772',
             '*          27.3271005317               0',],
         [
             'GRID*                 21              21   52.8328862418  -28.8729017195',
             '*           34.615939507               0',],
         [
             'GRID*                 22              22   61.1042111232   158.773483595',
             '*           -167.4951724               0',],
     ]
     for lines in cards:
         card = model.process_card(lines)
         model.add_card(card, card[0])
     model.build()
     for nid in model.nodes:
         a = array([30., 40., 50.])
         b = model.Node(nid).get_position()
         self.assertTrue(allclose(array([30., 40., 50.]), model.Node(nid).get_position()), str(a - b))
예제 #14
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 def test_cord2_rcs_03(self):
     """
     all points are located at <30,40,50>
     """
     model = BDF(debug=False)
     cards = [
         [
             'CORD2S*                2               0              0.              0.',
             '*                     0.              0.              0.              1.*       ',
             '*                     1.              0.              1.',
         ],
         [  #'$ Femap with NX Nastran Coordinate System 30 : rectangular in spherical',
             'CORD2R*               30               2             14.             30.',
             '*                    70.    13.431863852   32.1458443949   75.2107442927*       ',
             '*          14.4583462334   33.4569982885   68.2297989286',
         ],
         [  #'$ Femap with NX Nastran Coordinate System 31 : cylindrical in spherical',
             'CORD2C*               31               2              3.             42.',
             '*                  -173.   2.86526881213   45.5425615252   159.180363517*       ',
             '*          3.65222385965   29.2536614627  -178.631312271',
         ],
         [  #'$ Femap with NX Nastran Coordinate System 32 : spherical in spherical',
             'CORD2S*               32               2             22.             14.',
             '*                    85.   22.1243073983   11.9537753718   77.9978191005*       ',
             '*          21.0997242967   13.1806120497   88.4824763008',
         ],
         [
             'GRID*                 30              30   40.7437952957  -23.6254877994',
             '*           -33.09784854               0',
         ],
         [
             'GRID*                 31              31   62.9378078196   15.9774797923',
             '*          31.0484428362               0',
         ],
         [
             'GRID*                 32              32   53.8270847449   95.8215692632',
             '*          159.097767463               0',
         ],
     ]
     for lines in cards:
         card = model.process_card(lines)
         model.add_card(card, card[0])
     model.cross_reference()
     for nid in model.nodes:
         a = array([30., 40., 50.])
         b = model.Node(nid).Position()
         self.assertTrue(
             allclose(array([30., 40., 50.]),
                      model.Node(nid).Position()), str(a - b))
예제 #15
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 def test_cord2_rcs_02(self):
     """
     all points are located at <30,40,50>
     """
     model = BDF(debug=False)
     cards = [
         [
             'CORD2C*                1               0              0.              0.',
             '*                     0.              0.              0.              1.*       ',
             '*                     1.              0.              1.',
         ],
         [  #'$ Femap with NX Nastran Coordinate System 20 : rectangular defined in cylindrical',
             'CORD2R*               20               1              7.             20.',
             '*                    -6.   7.07106781187   28.1301023542             -6.*       ',
             '*          7.70710678119             20.  -5.29289321881',
         ],
         [  #'$ Femap with NX Nastran Coordinate System 21 : cylindrical defined in cylindrical',
             'CORD2C*               21               1             15.            -30.',
             '*                    12.   14.6565766735  -30.3177805524   12.9355733712*       ',
             '*          14.6234241583  -26.4257323272   11.9304419665',
         ],
         [  #'$ Femap with NX Nastran Coordinate System 22 : spherical defined in cylindrical',
             'CORD2S*               22               1              5.            -75.',
             '*                    20.   5.66032384035  -82.9319986389   19.8502545865*       ',
             '*          4.88876051026  -73.8006653677   19.0116094889',
         ],
         [
             'GRID*                 20              20   64.2559135157  -14.9400459772',
             '*          27.3271005317               0',
         ],
         [
             'GRID*                 21              21   52.8328862418  -28.8729017195',
             '*           34.615939507               0',
         ],
         [
             'GRID*                 22              22   61.1042111232   158.773483595',
             '*           -167.4951724               0',
         ],
     ]
     for lines in cards:
         card = model.process_card(lines)
         model.add_card(card, card[0])
     model.cross_reference()
     for nid in model.nodes:
         a = array([30., 40., 50.])
         b = model.Node(nid).Position()
         self.assertTrue(
             allclose(array([30., 40., 50.]),
                      model.Node(nid).Position()), str(a - b))
예제 #16
0
    def test_solid_03(self):
        """checks linear static solid material"""
        mid = 2
        pid = 4
        rho = 0.1
        cards = [
            #$ Solid Nodes
            ['GRID', 11, 0, 0., 0., 0., 0],
            ['GRID', 12, 0, 1., 0., 0., 0],
            ['GRID', 13, 0, 1., 1., 0., 0],
            ['GRID', 14, 0, 0., 1., 0., 0],

            ['GRID', 15, 0, 0., 0., 2., 0],
            ['GRID', 16, 0, 1., 0., 2., 0],
            ['GRID', 17, 0, 1., 1., 2., 0],
            ['GRID', 18, 0, 0., 1., 2., 0],

            # Solids
            ['CHEXA',  7, pid, 11, 12, 13, 14, 15, 16,  17, 18],
            ['CTETRA', 8, pid, 11, 12, 13, 15],

            # Solid Nodes
            ['GRID',  21, 0, 0., 0., 0.,  0,],
            ['GRID',  22, 0, 1., 0., 0.,  0,],
            ['GRID',  23, 0, 1., 1., 0.,  0,],
            ['GRID',  24, 0, 0., 0., 2.,  0,],
            ['GRID',  25, 0, 1., 0., 2.,  0,],
            ['GRID',  26, 0, 1., 1., 2.,  0,],
            ['CPENTA', 9, pid, 21, 22, 23, 24, 25, 26],

            # static
            ['PSOLID', pid, mid, 0],
            ['MAT1', mid, 1.0, 2.0, 3.0, rho],
            ['MATS1', mid, None, 'PLASTIC', 0.0, 1, 1, 100000., ],
        ]
        card_count = {
            'GRID' : 14,
            'CTETRA4': 1,
            'CPENTA6': 1,
            'CHEXA8' : 1,
            'PSOLID': 1,
            'MAT1': 1,
            'MATS1': 1,
        }
        model = BDF(debug=True)
        model.allocate(card_count)
        for fields in cards:
            model.add_card(fields, fields[0], is_list=True)
        model.cross_reference()
예제 #17
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    def test_crod_01(self):
        model = BDF(debug=debug)
        model.allocate({'CROD': 1})

        lines = ['CROD          10     100      10       2']
        model.add_card(lines, 'CROD', is_list=False)

        size = 8
        f = StringIO()
        #card = CROD(card)
        card = model.crod.slice_by_element_id([10])
        card.write_card(f, size)
        #card.rawFields()
        self.assertEquals(card.get_element_id_by_element_index(), 10)
        self.assertEquals(card.get_property_id_by_element_index(), 100)
예제 #18
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    def test_crod_01(self):
        model = BDF(debug=debug)
        model.allocate({"CROD": 1})

        lines = ["CROD          10     100      10       2"]
        model.add_card(lines, "CROD", is_list=False)

        size = 8
        f = StringIO()
        # card = CROD(card)
        card = model.crod.slice_by_element_id([10])
        card.write_card(f, size)
        # card.rawFields()
        self.assertEquals(card.get_element_id_by_element_index(), 10)
        self.assertEquals(card.get_property_id_by_element_index(), 100)
예제 #19
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    def test_cord2_rcs_01(self):
        """
        all points are located at <30,40,50>
        """
        model = BDF(debug=False)
        card_count = {
            'GRID' : 3,
            'CORD2R' : 1,
            'CORD2C' : 1,
            'CORD2S' : 1,
        }
        model.allocate(card_count)
        cards = [
            [
                #'$ Femap with NX Nastran Coordinate System 10 : rectangular defined in a rectangular',
                'CORD2R*               10               0             10.              5.',
                '*                     3.   10.3420201433   4.53015368961   3.81379768136*       ',
                '*          10.7198463104   5.68767171433   3.09449287122',],
            [
                #'$ Femap with NX Nastran Coordinate System 11 : cylindrical defined in rectangular',
                'CORD2C*               11               0              7.              3.',
                '*                     9.   7.64278760969   2.73799736977   9.71984631039*       ',
                '*          7.75440650673   3.37968226211   8.46454486422',],
            [
                #'$ Femap with NX Nastran Coordinate System 12 : spherical defined in rectangular',
                'CORD2S*               12               0             12.              8.',
                '*                     5.   12.6427876097   7.86697777844   5.75440650673*       ',
                '*          12.6634139482   8.58906867688   4.53861076379',],

            [
                'GRID*                 10              10   42.9066011565   34.2422137135',
                '*          28.6442730262               0',],
            [
                'GRID*                 11              11   48.8014631871   78.8394787869',
                '*          34.6037164304               0',],
            [
                'GRID*                 12              12   58.0775343829   44.7276544324',
                '*          75.7955331161               0',],
        ]
        for lines in cards:
            card = model.process_card(lines)
            model.add_card(card, card[0])
        model.build()
        for nid in model.nodes:
            a = array([30., 40., 50.])
            b = model.Node(nid).get_position()
            self.assertTrue(allclose(array([30., 40., 50.]), model.Node(nid).get_position()), str(a - b))
예제 #20
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 def test_cord1r_02(self):
     model = BDF(debug=False)
     card_count = {
         'CORD1R': 1,
         'GRID': 3,
     }
     #model.allocate(card_count)
     cards = [
         ['CORD1R', 1, 1, 2, 3],  # fails on self.k
         ['GRID', 1, 0, 0., 0., 0.],
         ['GRID', 2, 0, 1., 0., 0.],
         ['GRID', 3, 0, 1., 1., 0.],
     ]
     for card in cards:
         model.add_card(card, card[0], comment='comment\n', is_list=True)
     model.build()
     c1 = model.coords.slice_by_coord_id(1)
예제 #21
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 def test_cord1r_02(self):
     model = BDF(debug=False)
     card_count = {
         'CORD1R' : 1,
         'GRID' : 3,
     }
     #model.allocate(card_count)
     cards = [
         ['CORD1R', 1, 1, 2, 3],  # fails on self.k
         ['GRID', 1, 0, 0., 0., 0.],
         ['GRID', 2, 0, 1., 0., 0.],
         ['GRID', 3, 0, 1., 1., 0.],
     ]
     for card in cards:
         model.add_card(card, card[0], comment='comment\n', is_list=True)
     model.build()
     c1 = model.coords.slice_by_coord_id(1)
예제 #22
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    def test_conrod_01(self):
        model = BDF(debug=debug)
        model.allocate({'CONROD': 1})
        eid = 10
        nid1 = 2
        nid2 = 3
        mid = 5
        A = 27.0
        lines = ['conrod,%i, %i, %i, %i, %f' % (eid, nid1, nid2, mid, A)]
        model.add_card(lines, 'CONROD', is_list=False)

        size = 8
        card = model.conrod.slice_by_element_id([eid])
        f = StringIO()
        card.write_card(f, size)
        #card.rawFields()
        self.assertEquals(card.get_element_id_by_element_index(), eid)
        self.assertEquals(card.get_material_id_by_element_index(), mid)
예제 #23
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    def test_conrod_01(self):
        model = BDF(debug=debug)
        model.allocate({"CONROD": 1})
        eid = 10
        nid1 = 2
        nid2 = 3
        mid = 5
        A = 27.0
        lines = ["conrod,%i, %i, %i, %i, %f" % (eid, nid1, nid2, mid, A)]
        model.add_card(lines, "CONROD", is_list=False)

        size = 8
        card = model.conrod.slice_by_element_id([eid])
        f = StringIO()
        card.write_card(f, size)
        # card.rawFields()
        self.assertEquals(card.get_element_id_by_element_index(), eid)
        self.assertEquals(card.get_material_id_by_element_index(), mid)
예제 #24
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 def test_cord2_rcs_01(self):
     """
     all points are located at <30,40,50>
     """
     model = BDF(debug=False)
     cards = [
         [  #'$ Femap with NX Nastran Coordinate System 10 : rectangular defined in a rectangular',
             'CORD2R*               10               0             10.              5.',
             '*                     3.   10.3420201433   4.53015368961   3.81379768136*       ',
             '*          10.7198463104   5.68767171433   3.09449287122',
         ],
         [  #'$ Femap with NX Nastran Coordinate System 11 : cylindrical defined in rectangular',
             'CORD2C*               11               0              7.              3.',
             '*                     9.   7.64278760969   2.73799736977   9.71984631039*       ',
             '*          7.75440650673   3.37968226211   8.46454486422',
         ],
         [  #'$ Femap with NX Nastran Coordinate System 12 : spherical defined in rectangular',
             'CORD2S*               12               0             12.              8.',
             '*                     5.   12.6427876097   7.86697777844   5.75440650673*       ',
             '*          12.6634139482   8.58906867688   4.53861076379',
         ],
         [
             'GRID*                 10              10   42.9066011565   34.2422137135',
             '*          28.6442730262               0',
         ],
         [
             'GRID*                 11              11   48.8014631871   78.8394787869',
             '*          34.6037164304               0',
         ],
         [
             'GRID*                 12              12   58.0775343829   44.7276544324',
             '*          75.7955331161               0',
         ],
     ]
     for lines in cards:
         card = model.process_card(lines)
         model.add_card(card, card[0])
     model.cross_reference()
     for nid in model.nodes:
         a = array([30., 40., 50.])
         b = model.Node(nid).Position()
         self.assertTrue(
             allclose(array([30., 40., 50.]),
                      model.Node(nid).Position()), str(a - b))
예제 #25
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 def test_grid_01(self):
     model = BDF(debug=False)
     cards = [
         #['CORD1R', 1, 1, 2, 3],  # fails on self.k
         ['GRID', 1, 0, 0., 0., 0.],
         ['GRID', 2, 0, 1., 0., 0.],
         ['GRID', 4, 0, 1., 2., 3.],
     ]
     card_count = {
         'GRID': 3,
     }
     model.allocate(card_count)
     for card in cards:
         model.add_card(card, card[0], comment='comment', is_list=True)
     #+------+-----+----+----+----+----+----+----+------+
     #|   0  |  1  | 2  | 3  | 4  | 5  |  6 | 7  |  8   |
     #+======+=====+====+====+====+====+====+====+======+
     #| GRID | NID | CP | X1 | X2 | X3 | CD | PS | SEID |
     #+------+-----+----+----+----+----+----+----+------+
     node = model.Node(4)
예제 #26
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 def test_grid_01(self):
     model = BDF(debug=False)
     card_lines = [
         #['CORD1R', 1, 1, 2, 3],  # fails on self.k
         ['GRID', 1, 0, 0., 0., 0.],
         ['GRID', 2, 0, 1., 0., 0.],
         ['GRID', 4, 0, 1., 2., 3.],
     ]
     #card_count = {
         #'GRID': 3,
     #}
     cards, card_count = model.add_cards_lines(card_lines)
     model.allocate(card_count, cards)
     for card in cards:
         model.add_card(card, card[0], comment='comment', is_list=True)
     model.build()
     #+------+-----+----+----+----+----+----+----+------+
     #|   0  |  1  | 2  | 3  | 4  | 5  |  6 | 7  |  8   |
     #+======+=====+====+====+====+====+====+====+======+
     #| GRID | NID | CP | X1 | X2 | X3 | CD | PS | SEID |
     #+------+-----+----+----+----+----+----+----+------+
     node = model.grid.slice_by_node_id(4)
예제 #27
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 def test_grid_01(self):
     model = BDF(debug=False)
     card_lines = [
         #['CORD1R', 1, 1, 2, 3],  # fails on self.k
         ['GRID', 1, 0, 0., 0., 0.],
         ['GRID', 2, 0, 1., 0., 0.],
         ['GRID', 4, 0, 1., 2., 3.],
     ]
     #card_count = {
     #'GRID': 3,
     #}
     cards, card_count = model.add_cards_lines(card_lines)
     model.allocate(card_count, cards)
     for card in cards:
         model.add_card(card, card[0], comment='comment', is_list=True)
     model.build()
     #+------+-----+----+----+----+----+----+----+------+
     #|   0  |  1  | 2  | 3  | 4  | 5  |  6 | 7  |  8   |
     #+======+=====+====+====+====+====+====+====+======+
     #| GRID | NID | CP | X1 | X2 | X3 | CD | PS | SEID |
     #+------+-----+----+----+----+----+----+----+------+
     node = model.grid.slice_by_node_id(4)
예제 #28
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    def test_grid_01(self):
        model = BDF(debug=False)
        cards = [
            #['CORD1R', 1, 1, 2, 3],  # fails on self.k
            ['GRID', 1, 0, 0., 0., 0.],
            ['GRID', 2, 0, 1., 0., 0.],
            ['GRID', 4, 0, 1., 2., 3.],
        ]
        for card in cards:
            model.add_card(card, card[0], comment='comment', is_list=True)

        #+------+-----+----+----+----+----+----+----+------+
        #|   0  |  1  | 2  | 3  | 4  | 5  |  6 | 7  |  8   |
        #+======+=====+====+====+====+====+====+====+======+
        #| GRID | NID | CP | X1 | X2 | X3 | CD | PS | SEID |
        #+------+-----+----+----+----+----+----+----+------+
        node = model.Node(4)
        self.assertEqual(node.get_field(1), 4)
        self.assertEqual(node.get_field(2), 0)
        self.assertEqual(node.get_field(3), 1.)
        self.assertEqual(node.get_field(4), 2.)
        self.assertEqual(node.get_field(5), 3.)

        node.update_field(1, 5)
        node.update_field(2, 6)
        node.update_field(3, 7.)
        node.update_field(4, 8.)
        node.update_field(5, 9.)
        with self.assertRaises(KeyError):
            node.update_field(9, 'dummy')

        self.assertEqual(node.get_field(1), 5)
        self.assertEqual(node.get_field(2), 6)
        self.assertEqual(node.get_field(3), 7.)
        self.assertEqual(node.get_field(4), 8.)
        self.assertEqual(node.get_field(5), 9.)
        with self.assertRaises(KeyError):
            node.get_field(9)
예제 #29
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    def test_cord2_bad_01(self):
        model = BDF(debug=False)
        cards = [
            ['CORD2R', 1, 0, 0., 0., 0.,
                             0., 0., 0.,
                             0., 0., 0.],  # fails on self.k
            ['CORD2R', 2, 0, 0., 0., 0.,
                             1., 0., 0.,
                             0., 0., 0.],  # fails on normalize self.j
            ['CORD2R', 3, 0, 0., 0., 0.,
                             1., 0., 0.,
                             1., 1., 0.],  # passes
            ['CORD2R', 4, 0, 0., 1., 0.,
                             1., 0., 0.,
                             1., 1., 0.],  # passes
            ['CORD2R', 5, 4, 0., 1., 0.,
                             1., 0., 0.,
                             1., 1., 0.],  # passes
        ]
        for card in cards:
            cid = card[1]
            if cid in [1, 2]:
                with self.assertRaises(RuntimeError):
                    model.add_card(card, card[0], is_list=True)
            else:
                model.add_card(card, card[0], is_list=True)

        # this runs because it's got rid=0
        cord4 = model.Coord(4)
        cord4.transformToGlobal([0., 0., 0.])

        # this doesn't run because rid != 0
        cord5 = model.Coord(5)
        with self.assertRaises(RuntimeError):
            cord5.transformToGlobal([0., 0., 0.])
        model.cross_reference()
예제 #30
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    def add_card(self, card_lines, card_name, comment='', is_list=True):
        card_name = card_name.upper()
        self._increase_card_count(card_name)
        if card_name in ['DEQATN']:
            card_obj = card_lines
            card = card_lines
        else:
            if is_list:
                fields = card_lines
            else:
                fields = to_fields(card_lines, card_name)

            # apply OPENMDAO syntax
            if self._is_dynamic_syntax:
                fields = [
                    self._parse_dynamic_syntax(field)
                    if '%' in field[0:1] else field for field in fields
                ]

                card = wipe_empty_fields([
                    interpret_value(field, fields)
                    if field is not None else None for field in fields
                ])
            else:  # leave everything as strings
                card = wipe_empty_fields(fields)
            card_obj = BDFCard(card)

        if card_name == 'HYPER':
            hyper = HYPER(card_obj, comment)
            self.hyper[hyper.pid] = hyper
            return
        elif card_name == 'FLOW':
            flow = FLOW(card_obj, comment)
            self.flow[flow.flow_id] = flow
            return
        BDF.add_card(self, card, card_name, comment=comment, is_list=True)
예제 #31
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    def test_cord2c_01(self):
        lines_a = [
            'CORD2C*                3               0              0.              0.',
            '*                     0.              0.              0.              1.*',
            '*                     1.              0.              1.'
        ]
        lines_b = [
            'CORD2R         4       3     10.      0.      5.     10.     90.      5.',
            '             10.      0.      6.'
        ]
        card_count = {
            'CORD2C': 1,
            'CORD2R': 1,
        }

        model = BDF(debug=False)
        cards = {
            'CORD2C': ['', lines_a],
            'CORD2R': ['', lines_b],
        }
        model.add_cards(cards, card_count)
        #model.allocate(cards, card_count)
        card = model.add_card(lines_a, 'CORD2C', is_list=False)
        card = model.add_card(lines_b, 'CORD2R', is_list=False)
        model.build()

        cord2r = model.coords.slice_by_coord_id(3)
        #print(type(cord2r))
        self.assertEquals(cord2r.get_cid_by_coord_id(), 3)
        self.assertEquals(cord2r.get_rid_by_coord_id(), 0)

        cord2r = model.coords.slice_by_coord_id(4)
        #print(type(cord2r))
        self.assertEquals(cord2r.get_cid_by_coord_id(), 4)
        self.assertEquals(cord2r.get_rid_by_coord_id(), 3)

        i = model.coords.get_coord_index_by_coord_id(4)
        T = model.coords.T[i, :, :].reshape(3, 3)
        Ti = T[0, :]
        Tj = T[1, :]
        Tk = T[2, :]
        msg = 'i=%s expected=(0., 0., 1.)' % Ti
        self.assertTrue(allclose(Ti, array([0., 0., 1.])), msg)
        delta = Tj - array([1., 1., 0.]) / 2**0.5
        self.assertTrue(allclose(Tj, array([1., 1., 0.]) / 2**0.5), str(delta))
        delta = Tk - array([-1., 1., 0.]) / 2**0.5
        self.assertTrue(allclose(Tk,
                                 array([-1., 1., 0.]) / 2**0.5), str(delta))
예제 #32
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    def test_cord2c_01(self):
        lines_a = [
            'CORD2C*                3               0              0.              0.',
            '*                     0.              0.              0.              1.*',
            '*                     1.              0.              1.'
        ]
        lines_b = [
            'CORD2R         4       3     10.      0.      5.     10.     90.      5.',
            '             10.      0.      6.'
        ]
        card_count = {
            'CORD2C' : 1,
            'CORD2R' : 1,
        }

        model = BDF(debug=False)
        cards = {
            'CORD2C' : ['', lines_a],
            'CORD2R' : ['', lines_b],
        }
        model.add_cards(cards, card_count)
        #model.allocate(cards, card_count)
        card = model.add_card(lines_a, 'CORD2C', is_list=False)
        card = model.add_card(lines_b, 'CORD2R', is_list=False)
        model.build()

        cord2r = model.coords.slice_by_coord_id(3)
        #print(type(cord2r))
        self.assertEquals(cord2r.get_cid_by_coord_id(), 3)
        self.assertEquals(cord2r.get_rid_by_coord_id(), 0)

        cord2r = model.coords.slice_by_coord_id(4)
        #print(type(cord2r))
        self.assertEquals(cord2r.get_cid_by_coord_id(), 4)
        self.assertEquals(cord2r.get_rid_by_coord_id(), 3)

        i = model.coords.get_coord_index_by_coord_id(4)
        T = model.coords.T[i, :, :].reshape(3, 3)
        Ti = T[0, :]
        Tj = T[1, :]
        Tk = T[2, :]
        msg = 'i=%s expected=(0., 0., 1.)'  % Ti
        self.assertTrue(allclose(Ti, array([0., 0., 1.])), msg)
        delta = Tj - array([1., 1., 0.]) / 2**0.5
        self.assertTrue(allclose(Tj, array([1., 1., 0.]) / 2**0.5), str(delta))
        delta = Tk - array([-1., 1., 0.]) / 2**0.5
        self.assertTrue(allclose(Tk, array([-1., 1., 0.]) / 2**0.5), str(delta))
예제 #33
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    def test_solid_03(self):
        """checks linear static solid material"""
        mid = 2
        pid = 4
        rho = 0.1
        cards = [
            #$ Solid Nodes
            ['GRID', 11, 0, 0., 0., 0., 0],
            ['GRID', 12, 0, 1., 0., 0., 0],
            ['GRID', 13, 0, 1., 1., 0., 0],
            ['GRID', 14, 0, 0., 1., 0., 0],
            ['GRID', 15, 0, 0., 0., 2., 0],
            ['GRID', 16, 0, 1., 0., 2., 0],
            ['GRID', 17, 0, 1., 1., 2., 0],
            ['GRID', 18, 0, 0., 1., 2., 0],

            # Solids
            ['CHEXA', 7, pid, 11, 12, 13, 14, 15, 16, 17, 18],
            ['CTETRA', 8, pid, 11, 12, 13, 15],

            # Solid Nodes
            [
                'GRID',
                21,
                0,
                0.,
                0.,
                0.,
                0,
            ],
            [
                'GRID',
                22,
                0,
                1.,
                0.,
                0.,
                0,
            ],
            [
                'GRID',
                23,
                0,
                1.,
                1.,
                0.,
                0,
            ],
            [
                'GRID',
                24,
                0,
                0.,
                0.,
                2.,
                0,
            ],
            [
                'GRID',
                25,
                0,
                1.,
                0.,
                2.,
                0,
            ],
            [
                'GRID',
                26,
                0,
                1.,
                1.,
                2.,
                0,
            ],
            ['CPENTA', 9, pid, 21, 22, 23, 24, 25, 26],

            # static
            ['PSOLID', pid, mid, 0],
            ['MAT1', mid, 1.0, 2.0, 3.0, rho],
            [
                'MATS1',
                mid,
                None,
                'PLASTIC',
                0.0,
                1,
                1,
                100000.,
            ],
        ]
        card_count = {
            'GRID': 14,
            'CTETRA4': 1,
            'CPENTA6': 1,
            'CHEXA8': 1,
            'PSOLID': 1,
            'MAT1': 1,
            'MATS1': 1,
        }
        model = BDF(debug=True)
        model.allocate(card_count)
        for fields in cards:
            model.add_card(fields, fields[0], is_list=True)
        model.cross_reference()
예제 #34
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    def test_pcomp_02(self):
        """
        symmetrical, nsm=0.0 and nsm=1.0
        """
        model = BDF()
        pid = 1
        z0 = 0.
        nsm = 0.
        sb = 0.
        ft = 'HOFF'
        TRef = 0.
        ge = 0.
        lam = 'SYM'  # isSymmetrical SYM
        Mid = [1, 2, 3]
        Theta = [0., 10., 20.]
        T = [.1, .2, .3]
        Sout = ['YES', 'YES', 'NO']  # 0-NO, 1-YES
        pcomp = ['PCOMP', pid, z0, nsm, sb, ft, TRef, ge, lam,
                Mid[0], T[0], Theta[0], Sout[0],
                Mid[1], T[1], Theta[1], Sout[1],
                Mid[2], T[2], Theta[2], Sout[2]]

        #----

        mid = 1
        E = 3.0e7
        G = None
        nu = None
        rho = 1.0
        a = None
        St = None
        Sc = None
        Ss = None
        Mcsid = None
        mat1_a = ['MAT1', mid, E, G, nu, rho, a, TRef, ge, St, Sc, Ss, Mcsid]
        mat1_b = ['MAT1', mid + 1, E, G, nu, rho, a, TRef, ge, St, Sc, Ss, Mcsid]
        mat1_c = ['MAT1', mid + 2, E, G, nu, rho, a, TRef, ge, St, Sc, Ss, Mcsid]

        card_count = {
            'PCOMP' : 1,
            'MAT1' : 3,
        }
        model.allocate(card_count)
        model.add_card(pcomp, pcomp[0], is_list=True)
        model.add_card(mat1_a, 'MAT1', is_list=True)
        model.add_card(mat1_b, 'MAT1', is_list=True)
        model.add_card(mat1_c, 'MAT1', is_list=True)
        model.build()

        p = model.properties.properties_shell.pcomp[0]
        self.assertTrue(p.is_symmetrical_by_property_id())
        self.assertTrue(p.is_symmetrical_by_property_index())
        self.assertEqual(p.get_nplies_by_property_id(), 6)

        self.assertAlmostEqual(p.get_thickness_by_property_id()[0], 1.2)
        self.assertAlmostEqual(p.get_thickness_by_property_id_ply(pid, 0), 0.1)
        self.assertAlmostEqual(p.get_thickness_by_property_id_ply(pid, 1), 0.2)
        self.assertAlmostEqual(p.get_thickness_by_property_id_ply(pid, 2), 0.3)
        self.assertAlmostEqual(p.get_thickness_by_property_id_ply(pid, 3), 0.1)
        self.assertAlmostEqual(p.get_thickness_by_property_id_ply(pid, 4), 0.2)
        self.assertAlmostEqual(p.get_thickness_by_property_id_ply(pid, 5), 0.3)
        with self.assertRaises(IndexError):
            p.get_thickness_by_property_id_ply(pid, 6)

        self.assertAlmostEqual(p.get_theta_by_property_id_ply(pid, 0), 0.)
        self.assertAlmostEqual(p.get_theta_by_property_id_ply(pid, 1), 10.)
        self.assertAlmostEqual(p.get_theta_by_property_id_ply(pid, 2), 20.)
        self.assertAlmostEqual(p.get_theta_by_property_id_ply(pid, 3), 0.)
        self.assertAlmostEqual(p.get_theta_by_property_id_ply(pid, 4), 10.)
        self.assertAlmostEqual(p.get_theta_by_property_id_ply(pid, 5), 20.)
        with self.assertRaises(IndexError):
            p.get_theta_by_property_id_ply(pid, 6)

        self.assertEqual(p.get_material_id_by_property_id_ply(pid, 0), 1)
        self.assertEqual(p.get_material_id_by_property_id_ply(pid, 1), 2)
        self.assertEqual(p.get_material_id_by_property_id_ply(pid, 2), 3)
        self.assertEqual(p.get_material_id_by_property_id_ply(pid, 3), 1)
        self.assertEqual(p.get_material_id_by_property_id_ply(pid, 4), 2)
        self.assertEqual(p.get_material_id_by_property_id_ply(pid, 5), 3)
        with self.assertRaises(IndexError):
            p.get_material_id_by_property_id_ply(pid, 6)

        self.assertTrue(allclose(
            p.get_material_ids_by_property_id(pid),
            [1, 2, 3, 1, 2, 3])
        )

        self.assertEqual(p.get_sout_by_property_id_ply(pid, 0), 'YES')
        self.assertEqual(p.get_sout_by_property_id_ply(pid, 1), 'YES')
        self.assertEqual(p.get_sout_by_property_id_ply(pid, 2), 'NO')
        self.assertEqual(p.get_sout_by_property_id_ply(pid, 3), 'YES')
        self.assertEqual(p.get_sout_by_property_id_ply(pid, 4), 'YES')
        self.assertEqual(p.get_sout_by_property_id_ply(pid, 5), 'NO')
        with self.assertRaises(IndexError):
            p.get_sout_by_property_id_ply(pid, 6)

        #---------------

        #Rho
        self.assertAlmostEqual(p.get_density_by_property_id_ply(pid, 0), 1.0)
        self.assertAlmostEqual(p.get_density_by_property_id_ply(pid, 1), 1.0)
        self.assertAlmostEqual(p.get_density_by_property_id_ply(pid, 2), 1.0)
        self.assertAlmostEqual(p.get_density_by_property_id_ply(pid, 3), 1.0)
        self.assertAlmostEqual(p.get_density_by_property_id_ply(pid, 4), 1.0)
        self.assertAlmostEqual(p.get_density_by_property_id_ply(pid, 5), 1.0)
        with self.assertRaises(IndexError):
            p.get_density_by_property_id_ply(pid, 6)

        # MassPerArea
        #self.assertAlmostEqual(p.get_mass_per_area_by_property_id(), 1.2)
        self.assertAlmostEqual(p.get_mass_per_area_by_property_id(pid), 1.2)
        self.assertAlmostEqual(p.get_mass_per_area_by_property_id_ply(pid, 0), 0.1)
        self.assertAlmostEqual(p.get_mass_per_area_by_property_id_ply(pid, 1), 0.2)
        self.assertAlmostEqual(p.get_mass_per_area_by_property_id_ply(pid, 2), 0.3)
        self.assertAlmostEqual(p.get_mass_per_area_by_property_id_ply(pid, 3), 0.1)
        self.assertAlmostEqual(p.get_mass_per_area_by_property_id_ply(pid, 4), 0.2)
        self.assertAlmostEqual(p.get_mass_per_area_by_property_id_ply(pid, 5), 0.3)
        with self.assertRaises(IndexError):
            p.get_mass_per_area_by_property_id_ply(pid, 6)

        self.assertEqual(p.get_nonstructural_mass_by_property_id(pid), 0.0)
        #----------------------
        # change the nsm to 1.0
        p.set_nonstructural_mass_by_property_id(pid, 1.0)

        self.assertEqual(p.get_nonstructural_mass_by_property_id(pid), 1.0)
        # MassPerArea
        self.assertAlmostEqual(p.get_mass_per_area_by_property_id(pid), 2.2)
        self.assertAlmostEqual(p.get_mass_per_area_by_property_id_ply(pid, 0, method='nplies'), 0.1+1/6.)
        self.assertAlmostEqual(p.get_mass_per_area_by_property_id_ply(pid, 1, method='nplies'), 0.2+1/6.)
        self.assertAlmostEqual(p.get_mass_per_area_by_property_id_ply(pid, 2, method='nplies'), 0.3+1/6.)
        self.assertAlmostEqual(p.get_mass_per_area_by_property_id_ply(pid, 3, method='nplies'), 0.1+1/6.)
        self.assertAlmostEqual(p.get_mass_per_area_by_property_id_ply(pid, 4, method='nplies'), 0.2+1/6.)
        self.assertAlmostEqual(p.get_mass_per_area_by_property_id_ply(pid, 5, method='nplies'), 0.3+1/6.)
        with self.assertRaises(IndexError):
            p.get_mass_per_area_by_property_id_ply(pid, 6)
예제 #35
0
    def test_pcomp_01(self):
        """
        asymmetrical, nsm=0.0 and nsm=1.0
        """
        #self.pid = data[0]
        #self.z0 = data[1]
        #self.nsm = data[2]
        #self.sb = data[3]
        #self.ft = data[4]
        #self.TRef = data[5]
        #self.ge = data[6]
        #self.lam = data[7]
        #Mid = data[8]
        #T = data[9]
        #Theta = data[10]
        #Sout = data[11]

        pid = 1
        z0 = 0.
        nsm = 0.
        sb = 0.
        ft = 'HILL'
        TRef = 0.
        ge = 0.
        #lam = 'NO'  # isSymmetrical YES/NO
        lam = 'BEND'  # isSymmetrical YES/NO
        Mid = [1, 2, 3]
        Theta = [0., 10., 20.]
        T = [.1, .2, .3]
        Sout = ['YES', 'YES', 'NO']  # 0-NO, 1-YES
        card_lines = [
            'PCOMP', pid, z0, nsm, sb, ft, TRef, ge, lam,
            Mid[0], T[0], Theta[0], Sout[0],
            Mid[1], T[1], Theta[1], Sout[1],
            Mid[2], T[2], Theta[2], Sout[2],
        ]
        model = BDF()
        card_count = {
            'PCOMP' : 1,
            'MAT1' : 3,
        }
        model.allocate(card_count)

        model.add_card(card_lines, 'PCOMP', comment='', is_list=True)


        # material...
        mid = 1
        E = 1e7
        G = None
        nu = None
        rho = 1.0
        a = None
        St = None
        Sc = None
        Ss = None
        Mcsid = None
        mat1_a = ['MAT1', mid, E, G, nu, rho, a, TRef, ge, St, Sc, Ss, Mcsid]
        mat1_b = ['MAT1', mid + 1, E, G, nu, rho, a, TRef, ge, St, Sc, Ss, Mcsid]
        mat1_c = ['MAT1', mid + 2, E, G, nu, rho, a, TRef, ge, St, Sc, Ss, Mcsid]
        model.add_card(mat1_a, 'MAT1', comment='', is_list=True)
        model.add_card(mat1_b, 'MAT1', comment='', is_list=True)
        model.add_card(mat1_c, 'MAT1', comment='', is_list=True)
        #card = BDFCard(mat1)
        #m = MAT1(model)
        #m.allocate(1)
        #m.add(card)
        #m.build()

        model.build()
        #card = BDFCard(data)
        #p = PCOMP(model)
        #p = model.properties.pcomp
        #p.add(card)
        #p.build()
        p = model.properties_shell.pcomp
        m = model.materials.mat1
        #self.assertFalse(p.is_symmetrical())
        self.assertEqual(p.get_nplies_by_property_id(), 3)

        self.assertAlmostEqual(p.get_thickness_by_property_id(pid), 0.6)
        self.assertAlmostEqual(p.get_thickness_by_property_id_ply(pid, 0), 0.1)
        self.assertAlmostEqual(p.get_thickness_by_property_id_ply(pid, 1), 0.2)
        self.assertAlmostEqual(p.get_thickness_by_property_id_ply(pid, 2), 0.3)
        with self.assertRaises(IndexError):
            p.get_thickness_by_property_id_ply(pid, 3)

        self.assertAlmostEqual(p.get_theta_by_property_id_ply(pid, 0), 0.)
        self.assertAlmostEqual(p.get_theta_by_property_id_ply(pid, 1), 10.)
        self.assertAlmostEqual(p.get_theta_by_property_id_ply(pid, 2), 20.)
        with self.assertRaises(IndexError):
            p.get_theta_by_property_id_ply(pid, 3)

        self.assertEqual(p.get_material_id_by_property_id_ply(pid, 0), 1)
        self.assertEqual(p.get_material_id_by_property_id_ply(pid, 1), 2)
        self.assertEqual(p.get_material_id_by_property_id_ply(pid, 2), 3)
        with self.assertRaises(IndexError):
            p.get_material_id_by_property_id_ply(pid, 3)

        #print('get_material_id_by_property_id = ', p.get_material_id_by_property_id(pid))
        self.assertEqual(p.get_material_ids_by_property_id(pid)[0], 1)
        self.assertEqual(p.get_material_ids_by_property_id(pid)[0], 1)
        self.assertEqual(p.get_material_ids_by_property_id(pid)[1], 2)
        self.assertEqual(p.get_material_ids_by_property_id(pid)[2], 3)

        self.assertEqual(p.get_sout_by_property_id_ply(pid, 0), 'YES')
        self.assertEqual(p.get_sout_by_property_id_ply(pid, 1), 'YES')
        self.assertEqual(p.get_sout_by_property_id_ply(pid, 2), 'NO')
        with self.assertRaises(IndexError):
            p.get_sout_by_property_id_ply(pid, 3)

        #for iply in range(len(p.plies)):
            #mid = p.plies[iply][0]
            #p.plies[iply][0] = m # MAT1
            ##p.mids = [m, m, m]

        from StringIO import StringIO
        f = StringIO()

        #print(m.write_card(f, size=8, material_id=None))
        p.write_card(f)
        m.write_card(f)
        print(f.getvalue())

        #Mid
        self.assertAlmostEqual(p.get_material_id_by_property_id_ply(pid, 0), 1)
        self.assertAlmostEqual(p.get_material_id_by_property_id_ply(pid, 1), 2)
        self.assertAlmostEqual(p.get_material_id_by_property_id_ply(pid, 2), 3)
        with self.assertRaises(IndexError):
            p.get_density_by_property_id_ply(pid, 3)

        #Rho
        self.assertAlmostEqual(p.get_density_by_property_id_ply(pid, 0), 1.0)
        self.assertAlmostEqual(p.get_density_by_property_id_ply(pid, 1), 1.0)
        self.assertAlmostEqual(p.get_density_by_property_id_ply(pid, 2), 1.0)
        with self.assertRaises(IndexError):
            p.get_density_by_property_id_ply(pid, 3)

        # MassPerArea
        self.assertAlmostEqual(p.get_mass_per_area_by_property_id(), 0.6)
        self.assertAlmostEqual(p.get_mass_per_area_by_property_id(pid), 0.6)
        self.assertAlmostEqual(p.get_mass_per_area_by_property_id([pid]), 0.6)
        self.assertAlmostEqual(p.get_mass_per_area_by_property_id_ply(pid, 0), 0.1)
        self.assertAlmostEqual(p.get_mass_per_area_by_property_id_ply(pid, 1), 0.2)
        self.assertAlmostEqual(p.get_mass_per_area_by_property_id_ply(pid, 2), 0.3)
        #with self.assertRaises(IndexError):
            #p.MassPerArea(3)

        #----------------------
        # change the nsm to 1.0
        p.set_nonstructural_mass_by_property_id(pid, 1.0)

        self.assertEqual(p.get_nonstructural_mass_by_property_id(), 1.0)
        # MassPerArea
        self.assertAlmostEqual(p.get_mass_per_area_by_property_id(), 1.6)
        self.assertAlmostEqual(p.get_mass_per_area_by_property_id_ply(pid, 0, method='nplies'), 0.1+1/3.)
        self.assertAlmostEqual(p.get_mass_per_area_by_property_id_ply(pid, 1, method='nplies'), 0.2+1/3.)
        self.assertAlmostEqual(p.get_mass_per_area_by_property_id_ply(pid, 2, method='nplies'), 0.3+1/3.)

        self.assertAlmostEqual(p.get_mass_per_area_by_property_id_ply(pid, 0, method='t'), 0.1+1/6.)
        self.assertAlmostEqual(p.get_mass_per_area_by_property_id_ply(pid, 1, method='t'), 0.2+2/6.)
        self.assertAlmostEqual(p.get_mass_per_area_by_property_id_ply(pid, 2, method='t'), 0.3+3/6.)

        self.assertAlmostEqual(p.get_mass_per_area_by_property_id_ply(pid, 0, method='rho*t'), 0.1+1/6.)
        self.assertAlmostEqual(p.get_mass_per_area_by_property_id_ply(pid, 1, method='rho*t'), 0.2+2/6.)
        self.assertAlmostEqual(p.get_mass_per_area_by_property_id_ply(pid, 2, method='rho*t'), 0.3+3/6.)

        self.assertAlmostEqual(p.get_mass_per_area_by_property_id_ply(pid, 0, method='t'), 0.1+1/6.)
        self.assertAlmostEqual(p.get_mass_per_area_by_property_id_ply(pid, 1, method='t'), 0.2+2/6.)
        self.assertAlmostEqual(p.get_mass_per_area_by_property_id_ply(pid, 2, method='t'), 0.3+3/6.)
        with self.assertRaises(IndexError):
            p.get_mass_per_area_by_property_id_ply(pid, 3, method='nplies')

        z0 = p.get_z0_by_property_id(pid)

        z = p.get_z_locations_by_property_id(pid)
        z_expected = array([0., T[0], T[0]+T[1], T[0]+T[1]+T[2]])
        for za, ze in zip(z, z_expected):
            self.assertAlmostEqual(za, ze)

        #z0  =
        p.z0[0] = 1.0
        z_expected = 1.0 + z_expected
        z = p.get_z_locations_by_property_id(pid)
        for za, ze in zip(z, z_expected):
            self.assertAlmostEqual(za, ze)
예제 #36
0
    def get_mass(self, nid1, nid2, xyz1, xyz2, eid, pid, mid, A, J, c, nsm, E,
                 G, nu, rho, L):
        """tests a CROD and a CONROD"""
        card_count = {
            'CONROD': 1,
            'CTUBE': 1,
            'PTUBE': 1,
            'CROD': 1,
            'PROD': 1,
            'GRID': 2,
            'MAT1': 1,
        }
        model = BDF(debug=debug)
        model.allocate(card_count)
        lines = [
            'conrod,%i, %i, %i, %i, %f, %f, %f, %f' %
            (eid, nid1, nid2, mid, A, J, c, nsm)
        ]
        model.add_card(lines, 'conrod', is_list=False)

        lines = ['crod,%i, %i, %i, %i' % (eid + 1, pid, nid1, nid2)]
        model.add_card(lines, 'crod', is_list=False)

        #lines = ['ctube,%i, %i, %i, %i' % (eid+2, pid+1, nid1, nid2)]
        #model.add_card(lines, 'ctube', is_list=False)

        lines = ['prod,%i, %i, %f, %f, %f, %f' % (pid, mid, A, J, c, nsm)]
        model.add_card(lines, 'prod', is_list=False)

        OD1 = sqrt(4 * A / pi)
        t = 0.
        OD2 = OD1
        #lines = ['ptube,%i, %i, %f, %f, %f, %f' % (pid+1, mid, OD1, t, nsm, OD2)]
        #model.add_card(lines, 'ptube', is_list=False)

        lines = ['mat1,%i, %.2e, %.2e, %f, %f' % (mid, E, G, nu, rho)]
        model.add_card(lines, 'mat1', is_list=False)

        lines = [
            'grid,%i, %i, %f, %f, %f' % (nid1, 0, xyz1[0], xyz1[1], xyz1[2])
        ]
        model.add_card(lines, 'grid', is_list=False)

        lines = [
            'grid,%i, %i, %f, %f, %f' % (nid2, 0, xyz2[0], xyz2[1], xyz2[2])
        ]
        model.add_card(lines, 'grid', is_list=False)

        model.cross_reference()
        mass = L * (rho * A + nsm)

        # conrod
        conrod = model.conrod[eid]
        self.assertEquals(conrod.get_element_id_by_element_index(), eid)
        #self.assertEquals(conrod.get_property_id_by_element_index(), None)
        self.assertEquals(conrod.get_material_id_by_element_index(), mid)
        self.assertEquals(conrod.get_length_by_element_index(), L)
        #self.assertEquals(conrod.Nsm(), nsm)
        self.assertEquals(conrod.get_mass_by_element_index(), mass)
        #self.assertEquals(conrod.E(), E)
        #self.assertEquals(conrod.G(), G)
        #self.assertEquals(conrod.Area(), A)
        #self.assertEquals(conrod.J(), J)
        #self.assertEquals(conrod.C(), c)
        #self.assertEquals(conrod.Rho(), rho)

        # crod
        conrod = model.conrod[eid + 1]
        self.assertEquals(crod.get_element_id_by_element_index(), eid + 1)
        self.assertEquals(crod.get_property_id_by_element_index(), pid)
        self.assertEquals(crod.get_material_id_by_element_index(), mid)
        self.assertEquals(crod.get_length_by_element_index(), L)
        #self.assertEquals(crod.Nsm(), nsm)
        self.assertEquals(crod.get_mass_by_element_index(), mass)
        #self.assertEquals(crod.E(), E)
        #self.assertEquals(crod.G(), G)
        #self.assertEquals(crod.Area(), A)
        #self.assertEquals(crod.J(), J)
        #self.assertEquals(crod.C(), c)
        #self.assertEquals(crod.Rho(), rho)
        #self.assertEquals(crod.Nu(), nu)

        # prod
        self.assertEquals(prod.Pid(), pid)
        self.assertEquals(prod.Mid(), mid)
        self.assertEquals(prod.Nsm(), nsm)
        self.assertEquals(prod.E(), E)
        self.assertEquals(prod.G(), G)
        self.assertEquals(prod.Area(), A)
        self.assertEquals(prod.J(), J)
        self.assertEquals(prod.C(), c)
        self.assertEquals(prod.Rho(), rho)

        # ctube
        if 0:
            self.assertEquals(ctube.Eid(), eid + 2)
            self.assertEquals(ctube.Pid(), pid + 1)
            self.assertEquals(ctube.Mid(), mid)
            self.assertEquals(ctube.Length(), L)
            self.assertEquals(ctube.Nsm(), nsm)
            self.assertAlmostEquals(ctube.Mass(), mass, 5)
            self.assertEquals(ctube.E(), E)
            self.assertEquals(ctube.G(), G)
            self.assertAlmostEquals(ctube.Area(), A, 5)
            ctube.J()
            self.assertEquals(ctube.Rho(), rho)

        # ptube
        self.assertEquals(ptube.Pid(), pid + 1)
        self.assertEquals(ptube.Mid(), mid)
        self.assertEquals(ptube.Nsm(), nsm)
        self.assertEquals(ptube.E(), E)
        self.assertEquals(ptube.G(), G)
        self.assertAlmostEquals(ptube.Area(), A, 5)
        ptube.J()
        self.assertEquals(ptube.Rho(), rho)
예제 #37
0
    def test_solid_01(self):
        """checks linear static solid material"""
        mid = 2
        pid = 4
        rho = 0.1
        cards = [
            #$ Solid Nodes
            ['GRID', 11, 0, 0., 0., 0., 0],
            ['GRID', 12, 0, 1., 0., 0., 0],
            ['GRID', 13, 0, 1., 1., 0., 0],
            ['GRID', 14, 0, 0., 1., 0., 0],

            ['GRID', 15, 0, 0., 0., 2., 0],
            ['GRID', 16, 0, 1., 0., 2., 0],
            ['GRID', 17, 0, 1., 1., 2., 0],
            ['GRID', 18, 0, 0., 1., 2., 0],

            # Solids
            ['CHEXA', 7, pid, 11, 12, 13, 14, 15, 16,  17, 18],
            ['CTETRA', 8, pid, 11, 12, 13, 15],

            # Solid Nodes
            ['GRID', 21, 0, 0., 0., 0.,  0,],
            ['GRID', 22, 0, 1., 0., 0.,  0,],
            ['GRID', 23, 0, 1., 1., 0.,  0,],
            ['GRID', 24, 0, 0., 0., 2.,  0,],
            ['GRID', 25, 0, 1., 0., 2.,  0,],
            ['GRID', 26, 0, 1., 1., 2.,  0,],
            ['CPENTA', 9, pid, 21, 22, 23, 24, 25, 26],

            # static
            ['PSOLID', pid, mid, 0],
            ['MAT1',  mid, 1.0, 2.0, 3.0, rho]
        ]
        card_count = {
            'GRID' : 14,
            'CTETRA4': 1,
            'CPENTA6': 1,
            'CHEXA8' : 1,
            'PSOLID': 1,
            'MAT1': 1,
        }
        model = BDF(debug=True)
        model.allocate(card_count)
        for fields in cards:
            model.add_card(fields, fields[0], is_list=True)
        model.cross_reference()

        # CTETRA
        eid = 8
        mid = 2
        pid = 4
        nsm = 0.
        V = 1. / 3.
        rho = 0.1
        self.check_solid(model, eid, 'CTETRA4', pid, 'PSOLID', mid, 'MAT1', nsm, rho, V)

        eid = 9
        V = 1.0
        self.check_solid(model, eid, 'CPENTA6', pid, 'PSOLID', mid, 'MAT1', nsm, rho, V)

        eid = 7
        V = 2.0
        self.check_solid(model, eid, 'CHEXA8', pid, 'PSOLID', mid, 'MAT1', nsm, rho, V)
예제 #38
0
    def test_solid_02(self):
        mid = 2
        pid = 4
        rho = 0.1
        cards = [
            #$ Solid Nodes
            ['GRID', 11, 0, 0., 0., 0., 0],
            ['GRID', 12, 0, 1., 0., 0., 0],
            ['GRID', 13, 0, 1., 1., 0., 0],
            ['GRID', 14, 0, 0., 1., 0., 0],
            ['GRID', 15, 0, 0., 0., 2., 0],
            ['GRID', 16, 0, 1., 0., 2., 0],
            ['GRID', 17, 0, 1., 1., 2., 0],
            ['GRID', 18, 0, 0., 1., 2., 0],

            # Solids
            ['CHEXA', 7, pid, 11, 12, 13, 14, 15, 16, 17, 18],
            ['CTETRA', 8, pid, 11, 12, 13, 15],

            # Solid Nodes
            [
                'GRID',
                21,
                0,
                0.,
                0.,
                0.,
                0,
            ],
            [
                'GRID',
                22,
                0,
                1.,
                0.,
                0.,
                0,
            ],
            [
                'GRID',
                23,
                0,
                1.,
                1.,
                0.,
                0,
            ],
            [
                'GRID',
                24,
                0,
                0.,
                0.,
                2.,
                0,
            ],
            [
                'GRID',
                25,
                0,
                1.,
                0.,
                2.,
                0,
            ],
            [
                'GRID',
                26,
                0,
                1.,
                1.,
                2.,
                0,
            ],
            ['CPENTA', 9, pid, 21, 22, 23, 24, 25, 26],

            # hyperelastic
            ['PLSOLID', pid, mid, 'GRID'],
            ['MATHP', mid, None, None, None, rho],
        ]
        card_count = {
            'GRID': 14,
            'CTETRA4': 1,
            'CPENTA6': 1,
            'CHEXA8': 1,
            'PLSOLID': 1,
            'MATHP': 1,
        }
        model = BDF(debug=True)
        model.allocate(card_count)
        for fields in cards:
            model.add_card(fields, fields[0], is_list=True)
        model.cross_reference()

        # CTETRA
        eid = 8
        nsm = 0.
        V = 1. / 3.
        self.check_solid(model, eid, 'CTETRA4', pid, 'PLSOLID', mid, 'MATHP',
                         nsm, rho, V)

        eid = 9
        V = 1.0
        self.check_solid(model, eid, 'CPENTA6', pid, 'PLSOLID', mid, 'MATHP',
                         nsm, rho, V)

        eid = 7
        V = 2.0
        self.check_solid(model, eid, 'CHEXA8', pid, 'PLSOLID', mid, 'MATHP',
                         nsm, rho, V)
예제 #39
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    def test_cord2r_bad_01(self):
        model = BDF(debug=True)

        card_count = {
            'GRID' : 4,
            'CORD2R' : 3,
        }
        model.allocate(card_count)
        grids = [
            ['GRID', 1, 0],
            ['GRID', 20, 0],
            ['GRID', 30, 0],
            ['GRID', 11, 5],
        ]
        for grid in grids:
            model.add_card(grid, 'GRID', is_list=True)

        cards = [
            ['CORD2R', 1, 0, 0., 0., 0.,
                             0., 0., 0.,
                             0., 0., 0.],  # fails on self.k
            ['CORD2R', 2, 0, 0., 0., 0.,
                             1., 0., 0.,
                             0., 0., 0.],  # fails on normalize self.j
            ['CORD2R', 3, 0, 0., 0., 0.,
                             1., 0., 0.,
                             1., 1., 0.],  # passes
            ['CORD2R', 4, 0, 0., 1., 0.,
                             1., 0., 0.,
                             1., 1., 0.],  # passes
            ['CORD2R', 5, 4, 0., 1., 0.,
                             1., 0., 0.,
                             1., 1., 0.],  # passes
        ]
        for card in cards:
            cid = card[1]
            if cid in [1, 2]:
                with self.assertRaises(RuntimeError):
                    model.add_card(card, card[0], is_list=True)
            else:
                model.add_card(card, card[0], is_list=True)
        model.build()

        # this runs because it's got rid=0
        coords = model.coords #.slice_by_coord_id(4)
        coords.transform_node_id_to_global_xyz(30) # nid
        coords.transform_node_id_to_global_xyz([30, 1, 11]) # [nid, nid, nid]
        coords.transform_node_id_to_local_by_coord_id([30, 1, 11], 4)  # [nid, ...], cp_goal
        coords.transform_node_id_to_local_by_coord_id([30, 1, 11], 0)  # [nid, ...], cp_goal

        xyz = [0., 0., 0.]
        coords.transform_xyz_to_global_by_coord_id(xyz, 4) # [xyz], cp_initial
        xyz = [
            [0., 0., 0.],
            [1., 1., 1.],
        ]
        coords.transform_xyz_to_global_by_coord_id(xyz, 4) # [xyz], cp_initial

        # global from global
        coords.transform_xyz_to_global_by_coord_id(xyz, 0) # [xyz], cp_initial

        # this doesn't run because rid != 0
        with self.assertRaises(RuntimeError):
            # cp=0 doesn't exist
            coords.transform_xyz_to_global_by_coord_id(xyz, 2)
예제 #40
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    def get_mass(self, nid1, nid2, xyz1, xyz2, eid, pid, mid, A, J, c, nsm, E,
                 G, nu, rho, L):
        """tests a CROD and a CONROD"""
        card_count = {
            'CONROD': 1,
            'CTUBE': 1,
            'PTUBE': 1,
            'CROD': 1,
            'PROD': 1,
            'GRID': 2,
            'MAT1': 1,
        }
        model = BDF(debug=debug)
        model.allocate(card_count)
        lines = [
            'conrod,%i, %i, %i, %i, %f, %f, %f, %f' %
            (eid, nid1, nid2, mid, A, J, c, nsm)
        ]
        model.add_card(lines, 'conrod', is_list=False)

        lines = ['crod,%i, %i, %i, %i' % (eid + 1, pid, nid1, nid2)]
        model.add_card(lines, 'crod', is_list=False)

        lines = ['ctube,%i, %i, %i, %i' % (eid + 2, pid + 1, nid1, nid2)]
        model.add_card(lines, 'ctube', is_list=False)

        lines = ['prod,%i, %i, %f, %f, %f, %f' % (pid, mid, A, J, c, nsm)]
        model.add_card(lines, 'prod', is_list=False)

        OD1 = sqrt(4 * A / pi)
        t = 0.
        OD2 = OD1
        lines = [
            'ptube,%i, %i, %f, %f, %f, %f' % (pid + 1, mid, OD1, t, nsm, OD2)
        ]
        model.add_card(lines, 'ptube', is_list=False)

        lines = ['mat1,%i, %.2e, %.2e, %f, %f' % (mid, E, G, nu, rho)]
        model.add_card(lines, 'mat1', is_list=False)

        lines = [
            'grid,%i, %i, %f, %f, %f' % (nid1, 0, xyz1[0], xyz1[1], xyz1[2])
        ]
        model.add_card(lines, 'grid', is_list=False)

        lines = [
            'grid,%i, %i, %f, %f, %f' % (nid2, 0, xyz2[0], xyz2[1], xyz2[2])
        ]
        model.add_card(lines, 'grid', is_list=False)

        model.build()
        mass = L * (rho * A + nsm)

        f = StringIO()
        model.write_bdf(out_filename=f,
                        interspersed=True,
                        size=8,
                        precision='single',
                        enddata=None)
        print(f.getvalue())
        #positions = model.get_positions()
        grid_cid0 = None

        # conrod
        conrod = model.conrod.slice_by_element_id(eid)
        self.assertEquals(conrod.get_element_id_by_element_index(), eid)
        #self.assertEquals(conrod.get_property_id_by_element_id(), None)
        self.assertEquals(conrod.get_material_id_by_element_id(eid), mid)
        self.assertEquals(
            conrod.get_length_by_element_index(i=None, grid_cid0=grid_cid0), L)
        #self.assertEquals(conrod.Nsm(), nsm)

        rhoi = conrod.get_density_by_element_id(eid)
        Ai = conrod.get_area_by_element_id(eid)
        Li = conrod.get_length_by_element_id(eid, grid_cid0=grid_cid0)
        nsmi = conrod.get_non_structural_mass_by_element_id(eid)
        massa = conrod.get_mass_by_element_index()
        mass_msg_conrod = 'mass = L * (rho * A + nsm)\n'
        mass_msg_conrod += 'L=%s expected=%s\n' % (Li, L)
        mass_msg_conrod += 'rho=%s expected=%s\n' % (rhoi, rho)
        mass_msg_conrod += 'A=%s expected=%s\n' % (Ai, A)
        mass_msg_conrod += 'nsm=%s expected=%s\n' % (nsmi, nsm)
        mass_msg_conrod += 'mass=%s actual=%s expected=%s\n' % (
            Li * (rhoi * Ai + nsmi), massa, mass)
        #mass_msg_conrod += 'mass=%s expected=%s\n' % (Li * (rhoi*Ai + nsmi), mass)

        self.assertEquals(massa, mass, mass_msg_conrod)
        #self.assertEquals(conrod.E(), E)
        #self.assertEquals(conrod.G(), G)
        #self.assertEquals(conrod.area(), A)
        #self.assertEquals(conrod.J(), J)
        #self.assertEquals(conrod.C(), c)
        #self.assertEquals(conrod.Rho(), rho)

        # crod
        crod_eid = eid + 1
        crod = model.crod.slice_by_element_id([crod_eid])
        self.assertEquals(crod.get_element_id_by_element_index(), crod_eid)
        self.assertEquals(crod.get_property_id_by_element_id(crod_eid), pid)
        self.assertEquals(crod.get_material_id_by_element_id(crod_eid), mid)
        rhoi = crod.get_density_by_element_id(crod_eid)
        Ai = crod.get_area_by_element_id(crod_eid)
        Li = crod.get_length_by_element_id(crod_eid, grid_cid0=grid_cid0)
        nsmi = crod.get_non_structural_mass_by_element_id(crod_eid)
        self.assertEquals(Li, L)
        #self.assertEquals(crod.Nsm(), nsm)

        massa = crod.get_mass_by_element_id(crod_eid)
        mass_msg_crod = 'mass = L * (rho * A + nsm)\n'
        mass_msg_crod += 'L=%s expected=%s\n' % (Li, L)
        mass_msg_crod += 'rho=%s expected=%s\n' % (rhoi, rho)
        mass_msg_crod += 'A=%s expected=%s\n' % (Ai, A)
        mass_msg_crod += 'nsm=%s expected=%s\n' % (nsmi, nsm)
        mass_msg_crod += 'mass=%s actual=%s expected=%s\n' % (
            Li * (rhoi * Ai + nsmi), massa, mass)
        self.assertEquals(massa, mass, mass_msg_crod)
        #self.assertEquals(crod.E(), E)
        #self.assertEquals(crod.G(), G)
        #self.assertEquals(crod.area(), A)
        #self.assertEquals(crod.J(), J)
        #self.assertEquals(crod.C(), c)
        #self.assertEquals(crod.Rho(), rho)
        #self.assertEquals(crod.Nu(), nu)

        # prod
        prod = model.prod.slice_by_property_id([pid])
        self.assertEquals(prod.property_id[0], pid)
        self.assertEquals(prod.get_material_id_by_property_id(pid), mid)
        self.assertEquals(prod.get_non_structural_mass_by_property_id(pid),
                          nsm)
        self.assertEquals(prod.get_E_by_property_id(pid), E)
        self.assertEquals(prod.get_G_by_property_id(pid), G)
        self.assertEquals(prod.get_area_by_property_id(pid), A)
        self.assertEquals(prod.get_J_by_property_id(pid), J)
        self.assertEquals(prod.get_c_by_property_id(pid), c)
        self.assertEquals(prod.get_density_by_property_id(pid), rho)

        # ctube
        if 1:
            ctube_eid = eid + 2
            ptube_pid = pid + 1
            assert ctube_eid == 12, ctube_eid
            assert ptube_pid == 68, ptube_pid
            ctube = model.ctube.slice_by_element_id(ctube_eid)
            self.assertEquals(ctube.get_element_id_by_element_index(),
                              ctube_eid)
            self.assertEquals(ctube.get_property_id_by_element_id(ctube_eid),
                              ptube_pid)
            self.assertEquals(ctube.get_material_id_by_element_id(ctube_eid),
                              mid)
            self.assertEquals(
                ctube.get_length_by_element_id(ctube_eid, grid_cid0), L)
            self.assertEquals(
                ctube.get_non_structural_mass_by_element_id(ctube_eid), nsm)
            self.assertAlmostEquals(ctube.get_mass_by_element_id(ctube_eid),
                                    mass, 5)
            self.assertEquals(ctube.get_E_by_element_id(ctube_eid), E)
            self.assertEquals(ctube.get_G_by_element_id(ctube_eid), G)
            self.assertAlmostEquals(ctube.get_area_by_element_id(ctube_eid), A,
                                    5)
            ctube.get_J_by_element_id(ctube_eid)
            self.assertEquals(ctube.get_density_by_element_id(), rho)

            # ptube
            ptube = model.ptube.slice_by_property_id(pid + 1)
            self.assertEquals(ptube.get_property_id_by_property_index(),
                              pid + 1)
            self.assertEquals(ptube.get_material_id_by_property_id(), mid)
            self.assertEquals(ptube.get_non_structural_mass_by_property_id(),
                              nsm)
            self.assertEquals(ptube.get_E_by_property_id(), E)
            self.assertEquals(ptube.get_G_by_property_id(), G)
            self.assertAlmostEquals(ptube.get_area_by_property_id(), A, 5)
            ptube.get_J_by_property_id()
            self.assertEquals(ptube.get_density_by_property_id(), rho)
예제 #41
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    def test_solid_01(self):
        """checks linear static solid material"""
        mid = 2
        pid = 4
        rho = 0.1
        cards = [
            #$ Solid Nodes
            ['GRID', 11, 0, 0., 0., 0., 0],
            ['GRID', 12, 0, 1., 0., 0., 0],
            ['GRID', 13, 0, 1., 1., 0., 0],
            ['GRID', 14, 0, 0., 1., 0., 0],
            ['GRID', 15, 0, 0., 0., 2., 0],
            ['GRID', 16, 0, 1., 0., 2., 0],
            ['GRID', 17, 0, 1., 1., 2., 0],
            ['GRID', 18, 0, 0., 1., 2., 0],

            # Solids
            ['CHEXA', 7, pid, 11, 12, 13, 14, 15, 16, 17, 18],
            ['CTETRA', 8, pid, 11, 12, 13, 15],

            # Solid Nodes
            [
                'GRID',
                21,
                0,
                0.,
                0.,
                0.,
                0,
            ],
            [
                'GRID',
                22,
                0,
                1.,
                0.,
                0.,
                0,
            ],
            [
                'GRID',
                23,
                0,
                1.,
                1.,
                0.,
                0,
            ],
            [
                'GRID',
                24,
                0,
                0.,
                0.,
                2.,
                0,
            ],
            [
                'GRID',
                25,
                0,
                1.,
                0.,
                2.,
                0,
            ],
            [
                'GRID',
                26,
                0,
                1.,
                1.,
                2.,
                0,
            ],
            ['CPENTA', 9, pid, 21, 22, 23, 24, 25, 26],

            # static
            ['PSOLID', pid, mid, 0],
            ['MAT1', mid, 1.0, 2.0, 3.0, rho]
        ]
        card_count = {
            'GRID': 14,
            'CTETRA4': 1,
            'CPENTA6': 1,
            'CHEXA8': 1,
            'PSOLID': 1,
            'MAT1': 1,
        }
        model = BDF(debug=True)
        model.allocate(card_count)
        for fields in cards:
            model.add_card(fields, fields[0], is_list=True)
        model.cross_reference()

        # CTETRA
        eid = 8
        mid = 2
        pid = 4
        nsm = 0.
        V = 1. / 3.
        rho = 0.1
        self.check_solid(model, eid, 'CTETRA4', pid, 'PSOLID', mid, 'MAT1',
                         nsm, rho, V)

        eid = 9
        V = 1.0
        self.check_solid(model, eid, 'CPENTA6', pid, 'PSOLID', mid, 'MAT1',
                         nsm, rho, V)

        eid = 7
        V = 2.0
        self.check_solid(model, eid, 'CHEXA8', pid, 'PSOLID', mid, 'MAT1', nsm,
                         rho, V)
예제 #42
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    def test_solid_03(self):
        """checks linear static solid material"""
        mid = 2
        pid = 4
        rho = 0.1
        tableID = 42
        cards = [
            #$ Solid Nodes
            ['GRID', 11, 0, 0., 0., 0., 0],
            ['GRID', 12, 0, 1., 0., 0., 0],
            ['GRID', 13, 0, 1., 1., 0., 0],
            ['GRID', 14, 0, 0., 1., 0., 0],
            ['GRID', 15, 0, 0., 0., 2., 0],
            ['GRID', 16, 0, 1., 0., 2., 0],
            ['GRID', 17, 0, 1., 1., 2., 0],
            ['GRID', 18, 0, 0., 1., 2., 0],

            # Solids
            ['CHEXA', 7, pid, 11, 12, 13, 14, 15, 16, 17, 18],
            ['CTETRA', 8, pid, 11, 12, 13, 15],

            # Solid Nodes
            [
                'GRID',
                21,
                0,
                0.,
                0.,
                0.,
                0,
            ],
            [
                'GRID',
                22,
                0,
                1.,
                0.,
                0.,
                0,
            ],
            [
                'GRID',
                23,
                0,
                1.,
                1.,
                0.,
                0,
            ],
            [
                'GRID',
                24,
                0,
                0.,
                0.,
                2.,
                0,
            ],
            [
                'GRID',
                25,
                0,
                1.,
                0.,
                2.,
                0,
            ],
            [
                'GRID',
                26,
                0,
                1.,
                1.,
                2.,
                0,
            ],
            ['CPENTA', 9, pid, 21, 22, 23, 24, 25, 26],

            # static
            ['PSOLID', pid, mid, 0],
            ['MAT1', mid, 1.0, 2.0, 3.0, rho],
            [
                'MATS1',
                mid,
                tableID,
                'PLASTIC',
                0.0,
                1,
                1,
                100000.,
            ],
            #['TABLEST'],
            [
                'TABLES1', tableID, 1, None, None, None, None, None, None, 1.0,
                10.0, 2.0, 10.0, 'ENDT'
            ],
        ]
        card_count = {
            'GRID': 14,
            'CPENTA6': 1,
            'CTETRA4': 1,
            'PSOLID': 1,
            'CHEXA8': 1,
            'MAT1': 1,
            'MATS1': 1,
            'TABLES1': 1,
        }
        model = BDF(debug=False)
        model.allocate(card_count)
        for fields in cards:
            model.add_card(fields, fields[0], is_list=True)
        model.cross_reference()

        mat = model.materials[mid]
        print('----MAT----', type(mat))
        print(mat)
        print('E = %s' % mat.get_E_by_material_index())
        print('E = %s' % mat.get_E_by_material_id())
예제 #43
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    def get_mass(self, nid1, nid2, xyz1, xyz2, eid, pid, mid, A, J, c, nsm, E, G, nu, rho, L):
        """tests a CROD and a CONROD"""
        card_count = {"CONROD": 1, "CTUBE": 1, "PTUBE": 1, "CROD": 1, "PROD": 1, "GRID": 2, "MAT1": 1}
        model = BDF(debug=debug)
        model.allocate(card_count)
        lines = ["conrod,%i, %i, %i, %i, %f, %f, %f, %f" % (eid, nid1, nid2, mid, A, J, c, nsm)]
        model.add_card(lines, "conrod", is_list=False)

        lines = ["crod,%i, %i, %i, %i" % (eid + 1, pid, nid1, nid2)]
        model.add_card(lines, "crod", is_list=False)

        lines = ["ctube,%i, %i, %i, %i" % (eid + 2, pid + 1, nid1, nid2)]
        model.add_card(lines, "ctube", is_list=False)

        lines = ["prod,%i, %i, %f, %f, %f, %f" % (pid, mid, A, J, c, nsm)]
        model.add_card(lines, "prod", is_list=False)

        OD1 = sqrt(4 * A / pi)
        t = 0.0
        OD2 = OD1
        lines = ["ptube,%i, %i, %f, %f, %f, %f" % (pid + 1, mid, OD1, t, nsm, OD2)]
        model.add_card(lines, "ptube", is_list=False)

        lines = ["mat1,%i, %.2e, %.2e, %f, %f" % (mid, E, G, nu, rho)]
        model.add_card(lines, "mat1", is_list=False)

        lines = ["grid,%i, %i, %f, %f, %f" % (nid1, 0, xyz1[0], xyz1[1], xyz1[2])]
        model.add_card(lines, "grid", is_list=False)

        lines = ["grid,%i, %i, %f, %f, %f" % (nid2, 0, xyz2[0], xyz2[1], xyz2[2])]
        model.add_card(lines, "grid", is_list=False)

        model.build()
        mass = L * (rho * A + nsm)

        f = StringIO()
        model.write_bdf(out_filename=f, interspersed=True, size=8, precision="single", enddata=None)
        print(f.getvalue())
        # positions = model.get_positions()
        grid_cid0 = None

        # conrod
        conrod = model.conrod.slice_by_element_id(eid)
        self.assertEquals(conrod.get_element_id_by_element_index(), eid)
        # self.assertEquals(conrod.get_property_id_by_element_id(), None)
        self.assertEquals(conrod.get_material_id_by_element_id(eid), mid)
        self.assertEquals(conrod.get_length_by_element_index(i=None, grid_cid0=grid_cid0), L)
        # self.assertEquals(conrod.Nsm(), nsm)

        rhoi = conrod.get_density_by_element_id(eid)
        Ai = conrod.get_area_by_element_id(eid)
        Li = conrod.get_length_by_element_id(eid, grid_cid0=grid_cid0)
        nsmi = conrod.get_non_structural_mass_by_element_id(eid)
        massa = conrod.get_mass_by_element_index()
        mass_msg_conrod = "mass = L * (rho * A + nsm)\n"
        mass_msg_conrod += "L=%s expected=%s\n" % (Li, L)
        mass_msg_conrod += "rho=%s expected=%s\n" % (rhoi, rho)
        mass_msg_conrod += "A=%s expected=%s\n" % (Ai, A)
        mass_msg_conrod += "nsm=%s expected=%s\n" % (nsmi, nsm)
        mass_msg_conrod += "mass=%s actual=%s expected=%s\n" % (Li * (rhoi * Ai + nsmi), massa, mass)
        # mass_msg_conrod += 'mass=%s expected=%s\n' % (Li * (rhoi*Ai + nsmi), mass)

        self.assertEquals(massa, mass, mass_msg_conrod)
        # self.assertEquals(conrod.E(), E)
        # self.assertEquals(conrod.G(), G)
        # self.assertEquals(conrod.area(), A)
        # self.assertEquals(conrod.J(), J)
        # self.assertEquals(conrod.C(), c)
        # self.assertEquals(conrod.Rho(), rho)

        # crod
        crod_eid = eid + 1
        crod = model.crod.slice_by_element_id([crod_eid])
        self.assertEquals(crod.get_element_id_by_element_index(), crod_eid)
        self.assertEquals(crod.get_property_id_by_element_id(crod_eid), pid)
        self.assertEquals(crod.get_material_id_by_element_id(crod_eid), mid)
        rhoi = crod.get_density_by_element_id(crod_eid)
        Ai = crod.get_area_by_element_id(crod_eid)
        Li = crod.get_length_by_element_id(crod_eid, grid_cid0=grid_cid0)
        nsmi = crod.get_non_structural_mass_by_element_id(crod_eid)
        self.assertEquals(Li, L)
        # self.assertEquals(crod.Nsm(), nsm)

        massa = crod.get_mass_by_element_id(crod_eid)
        mass_msg_crod = "mass = L * (rho * A + nsm)\n"
        mass_msg_crod += "L=%s expected=%s\n" % (Li, L)
        mass_msg_crod += "rho=%s expected=%s\n" % (rhoi, rho)
        mass_msg_crod += "A=%s expected=%s\n" % (Ai, A)
        mass_msg_crod += "nsm=%s expected=%s\n" % (nsmi, nsm)
        mass_msg_crod += "mass=%s actual=%s expected=%s\n" % (Li * (rhoi * Ai + nsmi), massa, mass)
        self.assertEquals(massa, mass, mass_msg_crod)
        # self.assertEquals(crod.E(), E)
        # self.assertEquals(crod.G(), G)
        # self.assertEquals(crod.area(), A)
        # self.assertEquals(crod.J(), J)
        # self.assertEquals(crod.C(), c)
        # self.assertEquals(crod.Rho(), rho)
        # self.assertEquals(crod.Nu(), nu)

        # prod
        prod = model.prod.slice_by_property_id([pid])
        self.assertEquals(prod.property_id[0], pid)
        self.assertEquals(prod.get_material_id_by_property_id(pid), mid)
        self.assertEquals(prod.get_non_structural_mass_by_property_id(pid), nsm)
        self.assertEquals(prod.get_E_by_property_id(pid), E)
        self.assertEquals(prod.get_G_by_property_id(pid), G)
        self.assertEquals(prod.get_area_by_property_id(pid), A)
        self.assertEquals(prod.get_J_by_property_id(pid), J)
        self.assertEquals(prod.get_c_by_property_id(pid), c)
        self.assertEquals(prod.get_density_by_property_id(pid), rho)

        # ctube
        if 1:
            ctube_eid = eid + 2
            ptube_pid = pid + 1
            assert ctube_eid == 12, ctube_eid
            assert ptube_pid == 68, ptube_pid
            ctube = model.ctube.slice_by_element_id(ctube_eid)
            self.assertEquals(ctube.get_element_id_by_element_index(), ctube_eid)
            self.assertEquals(ctube.get_property_id_by_element_id(ctube_eid), ptube_pid)
            self.assertEquals(ctube.get_material_id_by_element_id(ctube_eid), mid)
            self.assertEquals(ctube.get_length_by_element_id(ctube_eid, grid_cid0), L)
            self.assertEquals(ctube.get_non_structural_mass_by_element_id(ctube_eid), nsm)
            self.assertAlmostEquals(ctube.get_mass_by_element_id(ctube_eid), mass, 5)
            self.assertEquals(ctube.get_E_by_element_id(ctube_eid), E)
            self.assertEquals(ctube.get_G_by_element_id(ctube_eid), G)
            self.assertAlmostEquals(ctube.get_area_by_element_id(ctube_eid), A, 5)
            ctube.get_J_by_element_id(ctube_eid)
            self.assertEquals(ctube.get_density_by_element_id(), rho)

            # ptube
            ptube = model.ptube.slice_by_property_id(pid + 1)
            self.assertEquals(ptube.get_property_id_by_property_index(), pid + 1)
            self.assertEquals(ptube.get_material_id_by_property_id(), mid)
            self.assertEquals(ptube.get_non_structural_mass_by_property_id(), nsm)
            self.assertEquals(ptube.get_E_by_property_id(), E)
            self.assertEquals(ptube.get_G_by_property_id(), G)
            self.assertAlmostEquals(ptube.get_area_by_property_id(), A, 5)
            ptube.get_J_by_property_id()
            self.assertEquals(ptube.get_density_by_property_id(), rho)
예제 #44
0
    def test_pcomp_01(self):
        """
        asymmetrical, nsm=0.0 and nsm=1.0
        """
        #self.pid = data[0]
        #self.z0 = data[1]
        #self.nsm = data[2]
        #self.sb = data[3]
        #self.ft = data[4]
        #self.TRef = data[5]
        #self.ge = data[6]
        #self.lam = data[7]
        #Mid = data[8]
        #T = data[9]
        #Theta = data[10]
        #Sout = data[11]

        pid = 1
        z0 = 0.
        nsm = 0.
        sb = 0.
        ft = 'HILL'
        TRef = 0.
        ge = 0.
        #lam = 'NO'  # isSymmetrical YES/NO
        lam = 'BEND'  # isSymmetrical YES/NO
        Mid = [1, 2, 3]
        Theta = [0., 10., 20.]
        T = [.1, .2, .3]
        Sout = ['YES', 'YES', 'NO']  # 0-NO, 1-YES
        card_lines = [
            'PCOMP',
            pid,
            z0,
            nsm,
            sb,
            ft,
            TRef,
            ge,
            lam,
            Mid[0],
            T[0],
            Theta[0],
            Sout[0],
            Mid[1],
            T[1],
            Theta[1],
            Sout[1],
            Mid[2],
            T[2],
            Theta[2],
            Sout[2],
        ]
        model = BDF(debug=False)
        card_count = {
            'PCOMP': 1,
            'MAT1': 3,
        }
        model.allocate(card_count)

        model.add_card(card_lines, 'PCOMP', comment='', is_list=True)

        # material...
        mid = 1
        E = 1e7
        G = None
        nu = None
        rho = 1.0
        a = None
        St = None
        Sc = None
        Ss = None
        Mcsid = None
        mat1_a = ['MAT1', mid, E, G, nu, rho, a, TRef, ge, St, Sc, Ss, Mcsid]
        mat1_b = [
            'MAT1', mid + 1, E, G, nu, rho, a, TRef, ge, St, Sc, Ss, Mcsid
        ]
        mat1_c = [
            'MAT1', mid + 2, E, G, nu, rho, a, TRef, ge, St, Sc, Ss, Mcsid
        ]
        model.add_card(mat1_a, 'MAT1', comment='', is_list=True)
        model.add_card(mat1_b, 'MAT1', comment='', is_list=True)
        model.add_card(mat1_c, 'MAT1', comment='', is_list=True)
        #card = BDFCard(mat1)
        #m = MAT1(model)
        #m.allocate(1)
        #m.add(card)
        #m.build()

        model.build()
        #card = BDFCard(data)
        #p = PCOMP(model)
        #p = model.properties.pcomp
        #p.add(card)
        #p.build()
        p = model.properties_shell.pcomp
        m = model.materials.mat1
        #self.assertFalse(p.is_symmetrical())
        self.assertEqual(p.get_nplies_by_property_id(), 3)

        self.assertAlmostEqual(p.get_thickness_by_property_id(pid), 0.6)
        self.assertAlmostEqual(p.get_thickness_by_property_id_ply(pid, 0), 0.1)
        self.assertAlmostEqual(p.get_thickness_by_property_id_ply(pid, 1), 0.2)
        self.assertAlmostEqual(p.get_thickness_by_property_id_ply(pid, 2), 0.3)
        with self.assertRaises(IndexError):
            p.get_thickness_by_property_id_ply(pid, 3)

        self.assertAlmostEqual(p.get_theta_by_property_id_ply(pid, 0), 0.)
        self.assertAlmostEqual(p.get_theta_by_property_id_ply(pid, 1), 10.)
        self.assertAlmostEqual(p.get_theta_by_property_id_ply(pid, 2), 20.)
        with self.assertRaises(IndexError):
            p.get_theta_by_property_id_ply(pid, 3)

        self.assertEqual(p.get_material_id_by_property_id_ply(pid, 0), 1)
        self.assertEqual(p.get_material_id_by_property_id_ply(pid, 1), 2)
        self.assertEqual(p.get_material_id_by_property_id_ply(pid, 2), 3)
        with self.assertRaises(IndexError):
            p.get_material_id_by_property_id_ply(pid, 3)

        #print('get_material_id_by_property_id = ', p.get_material_id_by_property_id(pid))
        self.assertEqual(p.get_material_ids_by_property_id(pid)[0], 1)
        self.assertEqual(p.get_material_ids_by_property_id(pid)[0], 1)
        self.assertEqual(p.get_material_ids_by_property_id(pid)[1], 2)
        self.assertEqual(p.get_material_ids_by_property_id(pid)[2], 3)

        self.assertEqual(p.get_sout_by_property_id_ply(pid, 0), 'YES')
        self.assertEqual(p.get_sout_by_property_id_ply(pid, 1), 'YES')
        self.assertEqual(p.get_sout_by_property_id_ply(pid, 2), 'NO')
        with self.assertRaises(IndexError):
            p.get_sout_by_property_id_ply(pid, 3)

        #for iply in range(len(p.plies)):
        #mid = p.plies[iply][0]
        #p.plies[iply][0] = m # MAT1
        ##p.mids = [m, m, m]

        from StringIO import StringIO
        f = StringIO()

        #print(m.write_card(f, size=8, material_id=None))
        p.write_card(f)
        m.write_card(f)
        print(f.getvalue())

        #Mid
        self.assertAlmostEqual(p.get_material_id_by_property_id_ply(pid, 0), 1)
        self.assertAlmostEqual(p.get_material_id_by_property_id_ply(pid, 1), 2)
        self.assertAlmostEqual(p.get_material_id_by_property_id_ply(pid, 2), 3)
        with self.assertRaises(IndexError):
            p.get_density_by_property_id_ply(pid, 3)

        #Rho
        self.assertAlmostEqual(p.get_density_by_property_id_ply(pid, 0), 1.0)
        self.assertAlmostEqual(p.get_density_by_property_id_ply(pid, 1), 1.0)
        self.assertAlmostEqual(p.get_density_by_property_id_ply(pid, 2), 1.0)
        with self.assertRaises(IndexError):
            p.get_density_by_property_id_ply(pid, 3)

        # MassPerArea
        self.assertAlmostEqual(p.get_mass_per_area_by_property_id(), 0.6)
        self.assertAlmostEqual(p.get_mass_per_area_by_property_id(pid), 0.6)
        self.assertAlmostEqual(p.get_mass_per_area_by_property_id([pid]), 0.6)
        self.assertAlmostEqual(p.get_mass_per_area_by_property_id_ply(pid, 0),
                               0.1)
        self.assertAlmostEqual(p.get_mass_per_area_by_property_id_ply(pid, 1),
                               0.2)
        self.assertAlmostEqual(p.get_mass_per_area_by_property_id_ply(pid, 2),
                               0.3)
        #with self.assertRaises(IndexError):
        #p.MassPerArea(3)

        #----------------------
        # change the nsm to 1.0
        p.set_nonstructural_mass_by_property_id(pid, 1.0)

        self.assertEqual(p.get_nonstructural_mass_by_property_id(), 1.0)
        # MassPerArea
        self.assertAlmostEqual(p.get_mass_per_area_by_property_id(), 1.6)
        self.assertAlmostEqual(
            p.get_mass_per_area_by_property_id_ply(pid, 0, method='nplies'),
            0.1 + 1 / 3.)
        self.assertAlmostEqual(
            p.get_mass_per_area_by_property_id_ply(pid, 1, method='nplies'),
            0.2 + 1 / 3.)
        self.assertAlmostEqual(
            p.get_mass_per_area_by_property_id_ply(pid, 2, method='nplies'),
            0.3 + 1 / 3.)

        self.assertAlmostEqual(
            p.get_mass_per_area_by_property_id_ply(pid, 0, method='t'),
            0.1 + 1 / 6.)
        self.assertAlmostEqual(
            p.get_mass_per_area_by_property_id_ply(pid, 1, method='t'),
            0.2 + 2 / 6.)
        self.assertAlmostEqual(
            p.get_mass_per_area_by_property_id_ply(pid, 2, method='t'),
            0.3 + 3 / 6.)

        self.assertAlmostEqual(
            p.get_mass_per_area_by_property_id_ply(pid, 0, method='rho*t'),
            0.1 + 1 / 6.)
        self.assertAlmostEqual(
            p.get_mass_per_area_by_property_id_ply(pid, 1, method='rho*t'),
            0.2 + 2 / 6.)
        self.assertAlmostEqual(
            p.get_mass_per_area_by_property_id_ply(pid, 2, method='rho*t'),
            0.3 + 3 / 6.)

        self.assertAlmostEqual(
            p.get_mass_per_area_by_property_id_ply(pid, 0, method='t'),
            0.1 + 1 / 6.)
        self.assertAlmostEqual(
            p.get_mass_per_area_by_property_id_ply(pid, 1, method='t'),
            0.2 + 2 / 6.)
        self.assertAlmostEqual(
            p.get_mass_per_area_by_property_id_ply(pid, 2, method='t'),
            0.3 + 3 / 6.)
        with self.assertRaises(IndexError):
            p.get_mass_per_area_by_property_id_ply(pid, 3, method='nplies')

        z0 = p.get_z0_by_property_id(pid)

        z = p.get_z_locations_by_property_id(pid)
        z_expected = array([0., T[0], T[0] + T[1], T[0] + T[1] + T[2]])
        for za, ze in zip(z, z_expected):
            self.assertAlmostEqual(za, ze)

        #z0  =
        p.z0[0] = 1.0
        z_expected = 1.0 + z_expected
        z = p.get_z_locations_by_property_id(pid)
        for za, ze in zip(z, z_expected):
            self.assertAlmostEqual(za, ze)
예제 #45
0
    def get_mass(self,nid1, nid2, xyz1, xyz2, eid, pid, mid, A, J, c, nsm, E, G, nu, rho, L):
        """tests a CROD and a CONROD"""
        card_count = {
            'CONROD' : 1,
            'CTUBE' : 1,
            'PTUBE' : 1,
            'CROD' : 1,
            'PROD' : 1,
            'GRID' : 2,
            'MAT1' : 1,
        }
        model = BDF(debug=debug)
        model.allocate(card_count)
        lines = ['conrod,%i, %i, %i, %i, %f, %f, %f, %f' % (eid, nid1, nid2, mid, A, J, c, nsm)]
        model.add_card(lines, 'conrod', is_list=False)

        lines = ['crod,%i, %i, %i, %i' % (eid+1, pid, nid1, nid2)]
        model.add_card(lines, 'crod', is_list=False)

        #lines = ['ctube,%i, %i, %i, %i' % (eid+2, pid+1, nid1, nid2)]
        #model.add_card(lines, 'ctube', is_list=False)

        lines = ['prod,%i, %i, %f, %f, %f, %f' % (pid, mid, A, J, c, nsm)]
        model.add_card(lines, 'prod', is_list=False)

        OD1 = sqrt(4*A/pi)
        t = 0.
        OD2 = OD1
        #lines = ['ptube,%i, %i, %f, %f, %f, %f' % (pid+1, mid, OD1, t, nsm, OD2)]
        #model.add_card(lines, 'ptube', is_list=False)

        lines = ['mat1,%i, %.2e, %.2e, %f, %f' % (mid, E, G, nu, rho)]
        model.add_card(lines, 'mat1', is_list=False)

        lines = ['grid,%i, %i, %f, %f, %f' % (nid1, 0, xyz1[0], xyz1[1], xyz1[2])]
        model.add_card(lines, 'grid', is_list=False)

        lines = ['grid,%i, %i, %f, %f, %f' % (nid2, 0, xyz2[0], xyz2[1], xyz2[2])]
        model.add_card(lines, 'grid', is_list=False)

        model.cross_reference()
        mass = L * (rho * A + nsm)

        # conrod
        conrod = model.conrod[eid]
        self.assertEquals(conrod.get_element_id_by_element_index(), eid)
        #self.assertEquals(conrod.get_property_id_by_element_index(), None)
        self.assertEquals(conrod.get_material_id_by_element_index(), mid)
        self.assertEquals(conrod.get_length_by_element_index(), L)
        #self.assertEquals(conrod.Nsm(), nsm)
        self.assertEquals(conrod.get_mass_by_element_index(), mass)
        #self.assertEquals(conrod.E(), E)
        #self.assertEquals(conrod.G(), G)
        #self.assertEquals(conrod.Area(), A)
        #self.assertEquals(conrod.J(), J)
        #self.assertEquals(conrod.C(), c)
        #self.assertEquals(conrod.Rho(), rho)

        # crod
        conrod = model.conrod[eid+1]
        self.assertEquals(crod.get_element_id_by_element_index(), eid+1)
        self.assertEquals(crod.get_property_id_by_element_index(), pid)
        self.assertEquals(crod.get_material_id_by_element_index(), mid)
        self.assertEquals(crod.get_length_by_element_index(), L)
        #self.assertEquals(crod.Nsm(), nsm)
        self.assertEquals(crod.get_mass_by_element_index(), mass)
        #self.assertEquals(crod.E(), E)
        #self.assertEquals(crod.G(), G)
        #self.assertEquals(crod.Area(), A)
        #self.assertEquals(crod.J(), J)
        #self.assertEquals(crod.C(), c)
        #self.assertEquals(crod.Rho(), rho)
        #self.assertEquals(crod.Nu(), nu)

        # prod
        self.assertEquals(prod.Pid(), pid)
        self.assertEquals(prod.Mid(), mid)
        self.assertEquals(prod.Nsm(), nsm)
        self.assertEquals(prod.E(), E)
        self.assertEquals(prod.G(), G)
        self.assertEquals(prod.Area(), A)
        self.assertEquals(prod.J(), J)
        self.assertEquals(prod.C(), c)
        self.assertEquals(prod.Rho(), rho)

        # ctube
        if 0:
            self.assertEquals(ctube.Eid(), eid+2)
            self.assertEquals(ctube.Pid(), pid+1)
            self.assertEquals(ctube.Mid(), mid)
            self.assertEquals(ctube.Length(), L)
            self.assertEquals(ctube.Nsm(), nsm)
            self.assertAlmostEquals(ctube.Mass(), mass, 5)
            self.assertEquals(ctube.E(), E)
            self.assertEquals(ctube.G(), G)
            self.assertAlmostEquals(ctube.Area(), A, 5)
            ctube.J()
            self.assertEquals(ctube.Rho(), rho)

        # ptube
        self.assertEquals(ptube.Pid(), pid+1)
        self.assertEquals(ptube.Mid(), mid)
        self.assertEquals(ptube.Nsm(), nsm)
        self.assertEquals(ptube.E(), E)
        self.assertEquals(ptube.G(), G)
        self.assertAlmostEquals(ptube.Area(), A, 5)
        ptube.J()
        self.assertEquals(ptube.Rho(), rho)
예제 #46
0
    def test_pcomp_02(self):
        """
        symmetrical, nsm=0.0 and nsm=1.0
        """
        model = BDF(debug=False)
        pid = 1
        z0 = 0.
        nsm = 0.
        sb = 0.
        ft = 'HOFF'
        TRef = 0.
        ge = 0.
        lam = 'SYM'  # isSymmetrical SYM
        Mid = [1, 2, 3]
        Theta = [0., 10., 20.]
        T = [.1, .2, .3]
        Sout = ['YES', 'YES', 'NO']  # 0-NO, 1-YES
        pcomp = [
            'PCOMP', pid, z0, nsm, sb, ft, TRef, ge, lam, Mid[0], T[0],
            Theta[0], Sout[0], Mid[1], T[1], Theta[1], Sout[1], Mid[2], T[2],
            Theta[2], Sout[2]
        ]

        #----

        mid = 1
        E = 3.0e7
        G = None
        nu = None
        rho = 1.0
        a = None
        St = None
        Sc = None
        Ss = None
        Mcsid = None
        mat1_a = ['MAT1', mid, E, G, nu, rho, a, TRef, ge, St, Sc, Ss, Mcsid]
        mat1_b = [
            'MAT1', mid + 1, E, G, nu, rho, a, TRef, ge, St, Sc, Ss, Mcsid
        ]
        mat1_c = [
            'MAT1', mid + 2, E, G, nu, rho, a, TRef, ge, St, Sc, Ss, Mcsid
        ]

        card_count = {
            'PCOMP': 1,
            'MAT1': 3,
        }
        model.allocate(card_count)
        model.add_card(pcomp, pcomp[0], is_list=True)
        model.add_card(mat1_a, 'MAT1', is_list=True)
        model.add_card(mat1_b, 'MAT1', is_list=True)
        model.add_card(mat1_c, 'MAT1', is_list=True)
        model.build()

        p = model.properties.properties_shell.pcomp[0]
        self.assertTrue(p.is_symmetrical_by_property_id())
        self.assertTrue(p.is_symmetrical_by_property_index())
        self.assertEqual(p.get_nplies_by_property_id(), 6)

        self.assertAlmostEqual(p.get_thickness_by_property_id()[0], 1.2)
        self.assertAlmostEqual(p.get_thickness_by_property_id_ply(pid, 0), 0.1)
        self.assertAlmostEqual(p.get_thickness_by_property_id_ply(pid, 1), 0.2)
        self.assertAlmostEqual(p.get_thickness_by_property_id_ply(pid, 2), 0.3)
        self.assertAlmostEqual(p.get_thickness_by_property_id_ply(pid, 3), 0.1)
        self.assertAlmostEqual(p.get_thickness_by_property_id_ply(pid, 4), 0.2)
        self.assertAlmostEqual(p.get_thickness_by_property_id_ply(pid, 5), 0.3)
        with self.assertRaises(IndexError):
            p.get_thickness_by_property_id_ply(pid, 6)

        self.assertAlmostEqual(p.get_theta_by_property_id_ply(pid, 0), 0.)
        self.assertAlmostEqual(p.get_theta_by_property_id_ply(pid, 1), 10.)
        self.assertAlmostEqual(p.get_theta_by_property_id_ply(pid, 2), 20.)
        self.assertAlmostEqual(p.get_theta_by_property_id_ply(pid, 3), 0.)
        self.assertAlmostEqual(p.get_theta_by_property_id_ply(pid, 4), 10.)
        self.assertAlmostEqual(p.get_theta_by_property_id_ply(pid, 5), 20.)
        with self.assertRaises(IndexError):
            p.get_theta_by_property_id_ply(pid, 6)

        self.assertEqual(p.get_material_id_by_property_id_ply(pid, 0), 1)
        self.assertEqual(p.get_material_id_by_property_id_ply(pid, 1), 2)
        self.assertEqual(p.get_material_id_by_property_id_ply(pid, 2), 3)
        self.assertEqual(p.get_material_id_by_property_id_ply(pid, 3), 1)
        self.assertEqual(p.get_material_id_by_property_id_ply(pid, 4), 2)
        self.assertEqual(p.get_material_id_by_property_id_ply(pid, 5), 3)
        with self.assertRaises(IndexError):
            p.get_material_id_by_property_id_ply(pid, 6)

        self.assertTrue(
            allclose(p.get_material_ids_by_property_id(pid),
                     [1, 2, 3, 1, 2, 3]))

        self.assertEqual(p.get_sout_by_property_id_ply(pid, 0), 'YES')
        self.assertEqual(p.get_sout_by_property_id_ply(pid, 1), 'YES')
        self.assertEqual(p.get_sout_by_property_id_ply(pid, 2), 'NO')
        self.assertEqual(p.get_sout_by_property_id_ply(pid, 3), 'YES')
        self.assertEqual(p.get_sout_by_property_id_ply(pid, 4), 'YES')
        self.assertEqual(p.get_sout_by_property_id_ply(pid, 5), 'NO')
        with self.assertRaises(IndexError):
            p.get_sout_by_property_id_ply(pid, 6)

        #---------------

        #Rho
        self.assertAlmostEqual(p.get_density_by_property_id_ply(pid, 0), 1.0)
        self.assertAlmostEqual(p.get_density_by_property_id_ply(pid, 1), 1.0)
        self.assertAlmostEqual(p.get_density_by_property_id_ply(pid, 2), 1.0)
        self.assertAlmostEqual(p.get_density_by_property_id_ply(pid, 3), 1.0)
        self.assertAlmostEqual(p.get_density_by_property_id_ply(pid, 4), 1.0)
        self.assertAlmostEqual(p.get_density_by_property_id_ply(pid, 5), 1.0)
        with self.assertRaises(IndexError):
            p.get_density_by_property_id_ply(pid, 6)

        # MassPerArea
        #self.assertAlmostEqual(p.get_mass_per_area_by_property_id(), 1.2)
        self.assertAlmostEqual(p.get_mass_per_area_by_property_id(pid), 1.2)
        self.assertAlmostEqual(p.get_mass_per_area_by_property_id_ply(pid, 0),
                               0.1)
        self.assertAlmostEqual(p.get_mass_per_area_by_property_id_ply(pid, 1),
                               0.2)
        self.assertAlmostEqual(p.get_mass_per_area_by_property_id_ply(pid, 2),
                               0.3)
        self.assertAlmostEqual(p.get_mass_per_area_by_property_id_ply(pid, 3),
                               0.1)
        self.assertAlmostEqual(p.get_mass_per_area_by_property_id_ply(pid, 4),
                               0.2)
        self.assertAlmostEqual(p.get_mass_per_area_by_property_id_ply(pid, 5),
                               0.3)
        with self.assertRaises(IndexError):
            p.get_mass_per_area_by_property_id_ply(pid, 6)

        self.assertEqual(p.get_nonstructural_mass_by_property_id(pid), 0.0)
        #----------------------
        # change the nsm to 1.0
        p.set_nonstructural_mass_by_property_id(pid, 1.0)

        self.assertEqual(p.get_nonstructural_mass_by_property_id(pid), 1.0)
        # MassPerArea
        self.assertAlmostEqual(p.get_mass_per_area_by_property_id(pid), 2.2)
        self.assertAlmostEqual(
            p.get_mass_per_area_by_property_id_ply(pid, 0, method='nplies'),
            0.1 + 1 / 6.)
        self.assertAlmostEqual(
            p.get_mass_per_area_by_property_id_ply(pid, 1, method='nplies'),
            0.2 + 1 / 6.)
        self.assertAlmostEqual(
            p.get_mass_per_area_by_property_id_ply(pid, 2, method='nplies'),
            0.3 + 1 / 6.)
        self.assertAlmostEqual(
            p.get_mass_per_area_by_property_id_ply(pid, 3, method='nplies'),
            0.1 + 1 / 6.)
        self.assertAlmostEqual(
            p.get_mass_per_area_by_property_id_ply(pid, 4, method='nplies'),
            0.2 + 1 / 6.)
        self.assertAlmostEqual(
            p.get_mass_per_area_by_property_id_ply(pid, 5, method='nplies'),
            0.3 + 1 / 6.)
        with self.assertRaises(IndexError):
            p.get_mass_per_area_by_property_id_ply(pid, 6)