def validate(self):
msg = ''
if self.x is None:
if not isinstance(self.g0, integer_types):
msg += 'CBEAM eid=%s: x is None, so g0=%s must be an integer' % (self.eid, self.g0)
else:
if not isinstance(self.x, (list, np.ndarray)):
msg += 'CBEAM eid=%s: x=%s and g0=%s, so x must be a list; type(x)=%s' % (
self.eid, self.x, self.g0, type(self.x))
if msg:
raise ValueError(msg)
if self.g0 is not None:
assert isinstance(self.g0, integer_types), 'g0=%s must be an integer' % self.g0
if self.g0 in [self.ga, self.gb]:
msg = 'G0=%s cannot be GA=%s or GB=%s' % (self.g0, self.ga, self.gb)
raise RuntimeError(msg)
if self.bit is None and self.offt is None:
msg = 'OFFT/BIT must not be None; offt=%r bit=%s' % (self.offt, self.bit)
raise RuntimeError(msg)
if self.offt is not None:
if isinstance(self.offt, integer_types):
assert self.offt in [1, 2, 21, 22, 41], 'invalid offt; offt=%i' % self.offt
raise NotImplementedError('invalid offt; offt=%i' % self.offt)
elif not isinstance(self.offt, string_types):
raise SyntaxError('invalid offt expected a string of length 3 '
'offt=%r; Type=%s' % (self.offt, type(self.offt)))
check_offt(self)
def get_axes(self, model):
"""
Gets the axes of a CBAR/CBEAM, while respecting the OFFT flag.
See
---
``_rotate_v_wa_wb`` for a description of the OFFT flag.
TODO: not integrated with CBAR yet...
"""
check_offt(self)
is_failed = True
ihat = None
yhat = None
zhat = None
eid = self.eid
(nid1, nid2) = self.node_ids
node1 = model.nodes[nid1]
node2 = model.nodes[nid2]
xyz1 = node1.get_position()
xyz2 = node2.get_position()
elem = model.elements[eid]
pid_ref = elem.pid_ref
if pid_ref is None:
pid_ref = model.Property(elem.pid)
assert not isinstance(pid_ref, integer_types), elem
is_failed, (wa, wb, ihat, yhat, zhat) = self.get_axes_by_nodes(
model, pid_ref, node1, node2, xyz1, xyz2, model.log)
return is_failed, (wa, wb, ihat, yhat, zhat)
def get_axes(self, model):
"""
Gets the axes of a CBAR/CBEAM, while respecting the OFFT flag.
Notes
-----
:func:`pyNastran.bdf.cards.elements.bars.rotate_v_wa_wb` for a
description of the OFFT flag.
is_passed: bool
out: (wa, wb, _ihat, jhat, khat)
"""
is_failed = True
#TODO: not integrated with CBAR yet...
if self.bit is not None:
print(self.get_stats())
return is_failed, None
check_offt(self)
is_failed = True
ihat = None
yhat = None
zhat = None
eid = self.eid
(nid1, nid2) = self.node_ids
node1 = model.nodes[nid1]
node2 = model.nodes[nid2]
xyz1 = node1.get_position()
xyz2 = node2.get_position()
elem = model.elements[eid]
pid_ref = elem.pid_ref
if pid_ref is None:
pid_ref = model.Property(elem.pid)
assert not isinstance(pid_ref, integer_types), elem
is_failed, (wa, wb, ihat, yhat,
zhat) = self.get_axes_by_nodes(model, pid_ref, node1,
node2, xyz1, xyz2,
model.log)
return is_failed, (wa, wb, ihat, yhat, zhat)