Beispiel #1
0
    def test_solid_05(self):
        """checks linear static solid material"""
        mid = 2
        pid = 4
        rho = 0.1
        table_id = 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, table_id, 'PLASTIC', 0.0, 1, 1, 100000., ],
            #['TABLEST'],
            ['TABLES1', table_id, 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.build()

        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())
Beispiel #2
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    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)
Beispiel #3
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    def test_solid_03(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.build()

        # 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)
Beispiel #4
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    def test_solid_04(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.build()
Beispiel #5
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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.raw_fields()
        self.assertEqual(card.get_element_id_by_element_index(), 10)
        self.assertEqual(card.get_property_id_by_element_index(), 100)
Beispiel #6
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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)
Beispiel #7
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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.raw_fields()
        self.assertEqual(card.get_element_id_by_element_index(), eid)
        self.assertEqual(card.get_material_id_by_element_index(), mid)
Beispiel #8
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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)
Beispiel #9
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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))
Beispiel #10
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    def test_solid_02(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.build()

        # 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)
Beispiel #11
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    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'  # is_symmetrical 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)
Beispiel #12
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'  # is_symmetrical YES/NO
        lam = 'BEND'  # is_symmetrical 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)
Beispiel #13
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.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.assertEqual(conrod.get_element_id_by_element_index(), eid)
        #self.assertEqual(conrod.get_property_id_by_element_id(), None)
        self.assertEqual(conrod.get_material_id_by_element_id(eid), mid)
        self.assertEqual(conrod.get_length_by_element_index(i=None, grid_cid0=grid_cid0), L)
        #self.assertEqual(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.assertEqual(massa, mass, mass_msg_conrod)
        #self.assertEqual(conrod.E(), E)
        #self.assertEqual(conrod.G(), G)
        #self.assertEqual(conrod.area(), A)
        #self.assertEqual(conrod.J(), J)
        #self.assertEqual(conrod.C(), c)
        #self.assertEqual(conrod.Rho(), rho)

        # crod
        crod_eid = eid + 1
        crod = model.crod.slice_by_element_id([crod_eid])
        self.assertEqual(crod.get_element_id_by_element_index(), crod_eid)
        self.assertEqual(crod.get_property_id_by_element_id(crod_eid), pid)
        self.assertEqual(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.assertEqual(Li, L)
        #self.assertEqual(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.assertEqual(massa, mass, mass_msg_crod)
        #self.assertEqual(crod.E(), E)
        #self.assertEqual(crod.G(), G)
        #self.assertEqual(crod.area(), A)
        #self.assertEqual(crod.J(), J)
        #self.assertEqual(crod.C(), c)
        #self.assertEqual(crod.Rho(), rho)
        #self.assertEqual(crod.Nu(), nu)

        # prod
        prod = model.prod.slice_by_property_id([pid])
        self.assertEqual(prod.property_id[0], pid)
        self.assertEqual(prod.get_material_id_by_property_id(pid), mid)
        self.assertEqual(prod.get_non_structural_mass_by_property_id(pid), nsm)
        self.assertEqual(prod.get_E_by_property_id(pid), E)
        self.assertEqual(prod.get_G_by_property_id(pid), G)
        self.assertEqual(prod.get_area_by_property_id(pid), A)
        self.assertEqual(prod.get_J_by_property_id(pid), J)
        self.assertEqual(prod.get_c_by_property_id(pid), c)
        self.assertEqual(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.assertEqual(ctube.get_element_id_by_element_index(), ctube_eid)
            self.assertEqual(ctube.get_property_id_by_element_id(ctube_eid), ptube_pid)
            self.assertEqual(ctube.get_material_id_by_element_id(ctube_eid), mid)
            self.assertEqual(ctube.get_length_by_element_id(ctube_eid, grid_cid0), L)
            self.assertEqual(ctube.get_non_structural_mass_by_element_id(ctube_eid), nsm)
            self.assertAlmostEquals(ctube.get_mass_by_element_id(ctube_eid), mass, 5)
            self.assertEqual(ctube.get_E_by_element_id(ctube_eid), E)
            self.assertEqual(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.assertEqual(ctube.get_density_by_element_id(), rho)

            # ptube
            ptube = model.ptube.slice_by_property_id(pid+1)
            self.assertEqual(ptube.get_property_id_by_property_index(), pid+1)
            self.assertEqual(ptube.get_material_id_by_property_id(), mid)
            self.assertEqual(ptube.get_non_structural_mass_by_property_id(), nsm)
            self.assertEqual(ptube.get_E_by_property_id(), E)
            self.assertEqual(ptube.get_G_by_property_id(), G)
            self.assertAlmostEquals(ptube.get_area_by_property_id(), A, 5)
            ptube.get_J_by_property_id()
            self.assertEqual(ptube.get_density_by_property_id(), rho)