本文整理汇总了Python中pyNastran.bdf.dev_vectorized.bdf.BDF.cross_reference方法的典型用法代码示例。如果您正苦于以下问题：Python BDF.cross_reference方法的具体用法？Python BDF.cross_reference怎么用？Python BDF.cross_reference使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类pyNastran.bdf.dev_vectorized.bdf.BDF的用法示例。
在下文中一共展示了BDF.cross_reference方法的12个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: test_cord2r_02
# 需要导入模块: from pyNastran.bdf.dev_vectorized.bdf import BDF [as 别名]
# 或者: from pyNastran.bdf.dev_vectorized.bdf.BDF import cross_reference [as 别名]
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)))示例2: getNodes
# 需要导入模块: from pyNastran.bdf.dev_vectorized.bdf import BDF [as 别名]
# 或者: from pyNastran.bdf.dev_vectorized.bdf.BDF import cross_reference [as 别名]
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示例3: test_cord2c_01
# 需要导入模块: from pyNastran.bdf.dev_vectorized.bdf import BDF [as 别名]
# 或者: from pyNastran.bdf.dev_vectorized.bdf.BDF import cross_reference [as 别名]
def test_cord2c_01(self):
lines = [
'CORD2C* 3 0 0. 0.',
'* 0. 0. 0. 1.*',
'* 1. 0. 1.'
]
model = BDF(debug=False)
card = model.process_card(lines)
card = BDFCard(card)
model.coords.add_cord2c(card)
lines = [
'CORD2R 4 3 10. 0. 5. 10. 90. 5.',
' 10. 0. 6.'
]
card = model.process_card(lines)
card = BDFCard(card)
model.coords.add_cord2r(card)
model.cross_reference()
cord2r = model.Coord(3)
self.assertEquals(cord2r.Cid(), 3)
self.assertEquals(cord2r.Rid(), 0)
cord2r = model.Coord(4)
self.assertEquals(cord2r.Cid(), 4)
self.assertEquals(cord2r.Rid(), 3)
self.assertTrue(allclose(cord2r.i, array([0., 0., 1.])))
delta = cord2r.j - array([1., 1., 0.]) / 2**0.5
self.assertTrue(allclose(cord2r.j, array([1., 1., 0.]) / 2**0.5), str(delta))
delta = cord2r.k - array([-1., 1., 0.]) / 2**0.5
self.assertTrue(allclose(cord2r.k, array([-1., 1., 0.]) / 2**0.5), str(delta))示例4: test_cord1_01
# 需要导入模块: from pyNastran.bdf.dev_vectorized.bdf import BDF [as 别名]
# 或者: from pyNastran.bdf.dev_vectorized.bdf.BDF import cross_reference [as 别名]
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])示例5: test_solid_03
# 需要导入模块: from pyNastran.bdf.dev_vectorized.bdf import BDF [as 别名]
# 或者: from pyNastran.bdf.dev_vectorized.bdf.BDF import cross_reference [as 别名]
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())示例6: test_solid_02
# 需要导入模块: from pyNastran.bdf.dev_vectorized.bdf import BDF [as 别名]
# 或者: from pyNastran.bdf.dev_vectorized.bdf.BDF import cross_reference [as 别名]
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)示例7: test_cord2_rcs_03
# 需要导入模块: from pyNastran.bdf.dev_vectorized.bdf import BDF [as 别名]
# 或者: from pyNastran.bdf.dev_vectorized.bdf.BDF import cross_reference [as 别名]
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.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))示例8: test_cord2_rcs_02
# 需要导入模块: from pyNastran.bdf.dev_vectorized.bdf import BDF [as 别名]
# 或者: from pyNastran.bdf.dev_vectorized.bdf.BDF import cross_reference [as 别名]
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.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))示例9: test_cord2_rcs_01
# 需要导入模块: from pyNastran.bdf.dev_vectorized.bdf import BDF [as 别名]
# 或者: from pyNastran.bdf.dev_vectorized.bdf.BDF import cross_reference [as 别名]
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.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))示例10: test_cord2_bad_01
# 需要导入模块: from pyNastran.bdf.dev_vectorized.bdf import BDF [as 别名]
# 或者: from pyNastran.bdf.dev_vectorized.bdf.BDF import cross_reference [as 别名]
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()示例11: test_solid_01
# 需要导入模块: from pyNastran.bdf.dev_vectorized.bdf import BDF [as 别名]
# 或者: from pyNastran.bdf.dev_vectorized.bdf.BDF import cross_reference [as 别名]
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)示例12: get_mass
# 需要导入模块: from pyNastran.bdf.dev_vectorized.bdf import BDF [as 别名]
# 或者: from pyNastran.bdf.dev_vectorized.bdf.BDF import cross_reference [as 别名]
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
#.........这里部分代码省略.........