def get_beam_sections_map(model: BDF,
bar_beam_eids: List[int]) -> Dict[int, List[int]]:
"""gets the beams sorted by property_id that can be represented as 3d elements"""
bar_pid_to_eids = defaultdict(list)
int_offts = []
for eid in bar_beam_eids:
elem = model.elements[eid] # type: Union[CBAR, CBEAM]
if isinstance(elem.offt, int):
int_offts.append(eid)
continue
pid_ref = elem.pid_ref
if pid_ref is None:
pid_ref = model.Property(elem.pid)
assert not isinstance(pid_ref, int), elem
ptype = pid_ref.type
if ptype in ['PBEAML', 'PBARL']:
pass
elif ptype in ['PBEAM', 'PBAR']:
continue
else:
raise NotImplementedError(pid_ref)
beam_type = pid_ref.Type
if beam_type not in BEAM_SETUP_MAP:
model.log.warning(f'The following beam section is not supported:\n{pid_ref}')
continue
pid = pid_ref.pid
bar_pid_to_eids[pid].append(eid)
bar_pid_to_eids = dict(bar_pid_to_eids)
if int_offts:
int_offts.sort()
model.log.warning(f'The following CBAR/CBEAMs have integer OFFTs: {int_offts}')
return bar_pid_to_eids
def cross_reference(self, model: BDF) -> None:
"""
Cross links the card so referenced cards can be extracted directly
Parameters
----------
model : BDF()
the BDF object
"""
msg = ', which is required by CTRIAX eid=%s' % self.eid
self.nodes_ref = model.EmptyNodes(self.nodes, msg=msg)
self.pid_ref = model.Property(self.pid, msg=msg)
def cross_reference(self, model: BDF) -> None:
"""
Cross links the card so referenced cards can be extracted directly
Parameters
----------
model : BDF()
the BDF object
"""
msg = ', which is required by CBUSH2D eid=%s' % self.eid
self.ga_ref = model.Node(self.ga, msg=msg)
self.gb_ref = model.Node(self.gb, msg=msg)
self.pid_ref = model.Property(self.pid)
if self.cid is not None:
self.cid_ref = model.Coord(self.cid, msg=msg)
def cross_reference(self, model: BDF) -> None:
"""
Cross links the card so referenced cards can be extracted directly
Parameters
----------
model : BDF()
the BDF object
"""
self.pid_ref = model.Property(self.pid)
if self.tkid > 0:
self.tkid_ref = model.TableD(self.tkid)
if self.tgeid > 0:
self.tgeid_ref = model.TableD(self.tgeid)
if self.tknid > 0:
self.tknid_ref = model.TableD(self.tknid)
def cross_reference(self, model: BDF) -> None:
"""
Cross links the card so referenced cards can be extracted directly
Parameters
----------
model : BDF()
the BDF object
"""
msg = ', which is required by CBUSH eid=%s' % self.eid
self.nodes_ref = model.EmptyNodes(self.node_ids, msg=msg)
self.pid_ref = model.Property(self.pid, msg=msg)
if self.g0 is not None:
self.g0_ref = model.Node(self.g0, msg=msg)
if self.cid is not None:
self.cid_ref = model.Coord(self.cid, msg=msg)
if self.ocid is not None and self.ocid != -1:
self.ocid_ref = model.Coord(self.ocid, msg=msg)
def cross_reference(self, model: BDF) -> None:
"""
Cross links the card so referenced cards can be extracted directly
Parameters
----------
model : BDF()
the BDF object
"""
msg = ', which is required by CFAST eid=%s' % self.eid
self.pid_ref = model.Property(self.Pid(), msg=msg)
if self.gs:
self.gs_ref = model.Node(self.Gs(), msg=msg)
if self.ga:
self.ga_ref = model.Node(self.Ga(), msg=msg)
if self.gb:
self.gb_ref = model.Node(self.Gb(), msg=msg)
def cross_reference(self, model: BDF) -> None:
"""
Cross links the card so referenced cards can be extracted directly
Parameters
----------
model : BDF()
the BDF object
"""
msg = ', which is required by CGAP eid=%s' % self.eid
self.ga_ref = model.Node(self.ga, msg=msg)
self.gb_ref = model.Node(self.gb, msg=msg)
if self.g0:
self.g0_ref = model.Node(self.g0, msg=msg)
self.x = self.g0_ref.get_position()
self.pid_ref = model.Property(self.pid, msg=msg)
if self.cid:
self.cid_ref = model.Coord(self.cid, msg=msg)
def get_axes(self, model: BDF) -> Tuple[Any, Any, Any, Any, Any]:
"""
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)
def cross_reference(self, model: BDF) -> None:
"""
Cross links the card so referenced cards can be extracted directly
Parameters
----------
model : BDF()
the BDF object
"""
msg = ', which is required by CBEAM eid=%s' % (self.eid)
self.ga_ref = model.Node(self.ga, msg=msg)
self.gb_ref = model.Node(self.gb, msg=msg)
self.nodes_ref = [self.ga_ref, self.gb_ref]
self.pid_ref = model.Property(self.pid, msg=msg)
if self.g0:
self.g0_ref = model.nodes[self.g0]
self.g0_vector = self.g0_ref.get_position(
) - self.ga_ref.get_position()
else:
self.g0_vector = self.x
if model.is_nx:
assert self.offt == 'GGG', 'NX only support offt=GGG; offt=%r' % self.offt
def cross_reference(self, model: BDF) -> None:
"""
Cross links the card so referenced cards can be extracted directly
Parameters
----------
model : BDF()
the BDF object
"""
msg = ', which is required by CDAMP1 eid=%s' % self.eid
self.nodes_ref = model.EmptyNodes(self.nodes, msg=msg)
pid = self.pid
if pid in model.properties:
self.pid_ref = model.Property(pid, msg=msg)
elif pid in model.pdampt:
self.pid_ref = model.pdampt[pid]
else:
pids = model.properties.keys() + model.pdampt.keys()
pids.sort()
msg = ('pid=%i not found which is required by CDAMP1 eid=%i. '
'Allowed Pids=%s' % (self.pid, self.eid, pids))
raise KeyError(msg)
def cross_reference(self, model: BDF) -> None:
msg = ', which is required by CCONEAX eid=%s' % (self.eid)
#self.rings_ref
self.pid_ref = model.Property(self.pid, msg=msg)
def cross_reference(self, model: BDF) -> None:
msg = ', which is required by CTUBE eid=%s' % (self.eid)
self.nodes_ref = model.Nodes(self.nodes, msg=msg)
self.pid_ref = model.Property(self.pid, msg=msg)
def _create_bar_types_dict(model: BDF,
bar_types: Dict[str, List[List[int], List[Any],
List[Any]]],
bar_beam_eids: List[int],
eid_map,
log: SimpleLogger,
scale: float,
debug: bool = False):
node0 = 0
found_bar_types = set()
nid_release_map = defaultdict(list)
ugrid = vtk.vtkUnstructuredGrid()
points_list = []
allowed_types = [
'BAR',
'BOX',
'BOX1',
'CHAN',
'CHAN1',
'CHAN2',
'CROSS',
'DBOX',
'H',
'HAT',
'HAT1',
'HEXA',
'I',
'I1',
'L',
'ROD',
'T',
'T1',
'T2',
'TUBE',
'TUBE2',
'Z',
'bar',
'beam',
'pbcomp',
]
#debug = True
bar_nids = set()
#print('bar_beam_eids = %s' % bar_beam_eids)
for eid in bar_beam_eids:
if eid not in eid_map:
log.error('eid=%s is not a valid bar/beam element...' % eid)
if debug: # pragma: no cover
print('eid=%s is not a valid bar/beam element...' % eid)
continue
#unused_ieid = self.eid_map[eid]
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
ptype = pid_ref.type
bar_type = get_bar_type(ptype, pid_ref)
if debug: # pragma: no cover
print('%s' % elem)
print(' bar_type = %s' % bar_type)
found_bar_types.add(bar_type)
(nid1, nid2) = elem.node_ids
bar_nids.update([nid1, nid2])
node1 = model.nodes[nid1]
node2 = model.nodes[nid2]
n1 = node1.get_position()
n2 = node2.get_position()
# wa/wb are not considered in i_offset
# they are considered in ihat
i = n2 - n1
Li = norm(i)
ihat = i / Li
if elem.pa != 0:
nid_release_map[nid1].append((eid, elem.pa))
if elem.pb != 0:
nid_release_map[nid2].append((eid, elem.pb))
if isinstance(elem.offt, int):
continue
unused_v, wa, wb, xform = rotate_v_wa_wb(model, elem, n1, n2, node1,
node2, ihat, i, eid, Li,
model.log)
if wb is None:
# one or more of v, wa, wb are bad
continue
yhat = xform[1, :]
zhat = xform[2, :]
## concept has a GOO
#if debug: # pragma: no cover
#print(' centroid = %s' % centroid)
#print(' ihat = %s' % ihat)
#print(' yhat = %s' % yhat)
#print(' zhat = %s' % zhat)
#print(' scale = %s' % scale)
#if eid == 616211:
#print(' check - eid=%s yhat=%s zhat=%s v=%s i=%s n%s=%s n%s=%s' % (
#eid, yhat, zhat, v, i, nid1, n1, nid2, n2))
#print('adding bar %s' % bar_type)
#print(' centroid=%s' % centroid)
#print(' yhat=%s len=%s' % (yhat, np.linalg.norm(yhat)))
#print(' zhat=%s len=%s' % (zhat, np.linalg.norm(zhat)))
#print(' Li=%s scale=%s' % (Li, scale))
if bar_type not in allowed_types:
allowed_types_str = ', '.join(allowed_types)
msg = f'bar_type={bar_type!r} allowed=[{allowed_types_str}]'
raise RuntimeError(msg)
if bar_type in BEAM_GEOM_TYPES:
node0 = add_3d_bar_element(bar_type, ptype, pid_ref, n1 + wa,
n2 + wb, xform, ugrid, node0,
points_list)
centroid = (n1 + n2) / 2.
bar_types[bar_type][0].append(eid)
bar_types[bar_type][1].append((centroid, centroid + yhat * Li * scale))
bar_types[bar_type][2].append((centroid, centroid + zhat * Li * scale))
return node0, ugrid, points_list, bar_nids, nid_release_map