def get_sh_sections_for_shape_obj(model: gmsh.model, model_obj: Shape,
gmsh_data: GmshData, fem: FEM):
from ada.core.utils import Counter
sides = Counter(1, "S")
for dim, ent in gmsh_data.entities:
_, tag, _ = model.mesh.getElements(2, ent)
_, _, param = model.mesh.getNodes(2, ent, True)
elements = [fem.elements.from_id(x) for x in chain.from_iterable(tag)]
thickness = 0.0
normal = np.array([
0.0 if abs(x) == 0.0 else x
for x in model.getNormal(ent, param)[:3]
])
s = next(sides)
set_name = make_name_fem_ready(f"el{model_obj.name}{s}_sh")
fem_sec_name = make_name_fem_ready(f"d{model_obj.name}{s}_sh")
add_shell_section(set_name,
fem_sec_name,
normal,
thickness,
elements,
model_obj,
fem,
is_rigid=True)
def get_beam_elements(self, li, order):
"""
:param li:
:param order:
:return:
"""
import gmsh
from ada.core.utils import make_name_fem_ready
model = gmsh.model
bm = self._bm_map[li]
segments = model.mesh.getElements(1, li)[1][0]
fem_nodes = model.mesh.getElements(1, li)[2][0]
elem_types, elem_tags, elem_node_tags = gmsh.model.mesh.getElements(
1, li)
face, dim, morder, numv, parv, _ = gmsh.model.mesh.getElementProperties(
elem_types[0])
set_name = make_name_fem_ready(f"el{bm.name}_set")
fem = self._part.fem
def make_elem(j):
no = []
for i in range(numv):
p1 = fem_nodes[numv * j + i]
p1_co = gmsh.model.mesh.getNode(p1)[0]
no.append(Node(p1_co, p1))
if len(no) == 3:
myorder = [0, 2, 1]
no = [no[i] for i in myorder]
bm_el_type = "B31" if order == 1 else "B32"
return Elem(segments[j], no, bm_el_type, parent=self._part.fem)
elements = list(map(make_elem, range(len(segments))))
fem_sec_name = make_name_fem_ready(f"d{bm.name}_sec")
if set_name in fem.elsets.keys():
fem_set = fem.elsets[set_name]
for el in elements:
el.fem_sec = fem_set.members[0].fem_sec
fem_set.add_members(elements)
else:
fem_set = FemSet(set_name, elements, "elset", parent=fem)
fem.sets.add(fem_set)
fem.add_section(
FemSection(
fem_sec_name,
"beam",
fem_set,
bm.material,
bm.section,
bm.ori[2],
metadata=dict(beam=bm, numel=len(elements)),
))
return elements
def get_sh_sections_for_pipe_obj(model: gmsh.model, model_obj: Pipe,
gmsh_data: GmshData, fem: FEM):
thickness = model_obj.section.wt
normal = model_obj.segments[0].zvec
for i, (_, ent) in enumerate(gmsh_data.entities):
_, tags, _ = model.mesh.getElements(2, ent)
set_name = make_name_fem_ready(f"el{model_obj.name}_e{ent}_pipe_sh")
fem_sec_name = make_name_fem_ready(f"d{model_obj.name}_e{ent}_pipe_sh")
elements = [fem.elements.from_id(x) for x in chain.from_iterable(tags)]
add_shell_section(set_name, fem_sec_name, normal, thickness, elements,
model_obj, fem)
def create_line_section(fem_sec: FemSection, sec_names: List[str],
sec_ids: List[Section]) -> Union[BmSectionStr, None]:
from .write_bm_profiles import write_bm_section
sec = fem_sec.section
if sec in sec_ids:
logging.info(f'Skipping already included section "{sec}"')
return None
sec_ids.append(sec)
sec_name = make_name_fem_ready(sec.name, no_dot=True)
if sec_name not in sec_names:
sec_names.append(sec_name)
else:
sec_name += next(sec_n)
names_str = write_ff(
"TDSECT",
[
(4, sec.id, 100 + len(sec_name), 0),
(sec_name, ),
],
)
sec_str = write_bm_section(sec, sec.id)
if fem_sec.refs is not None:
tdsconc_str, sconcept_str, scon_mesh = create_sconcept_str(fem_sec)
else:
tdsconc_str, sconcept_str, scon_mesh = "", "", ""
return BmSectionStr(sec_str=sec_str,
names_str=names_str,
tdsconc_str=tdsconc_str,
sconcept_str=sconcept_str,
scon_mesh=scon_mesh)
def get_sh_sections_for_plate_obj(model: gmsh.model, model_obj: Plate,
gmsh_data: GmshData, fem: FEM):
tags = []
for dim, ent in gmsh_data.entities:
_, tag, _ = model.mesh.getElements(2, ent)
tags += tag
elements = [fem.elements.from_id(x) for x in chain.from_iterable(tags)]
thickness = model_obj.t
normal = model_obj.n
set_name = make_name_fem_ready(f"el{model_obj.name}_sh")
fem_sec_name = make_name_fem_ready(f"d{model_obj.name}_sh")
add_shell_section(set_name, fem_sec_name, normal, thickness, elements,
model_obj, fem)
def name(self, value):
from ada.core.utils import make_name_fem_ready
if str.isnumeric(value[0]):
raise ValueError("Name cannot start with numeric")
if Settings.convert_bad_names_for_fem:
self._name = make_name_fem_ready(value)
else:
self._name = value.strip()
def get_so_sections(model: gmsh.model, solid_object: Beam, gmsh_data: GmshData,
fem: FEM):
tags = []
for dim, ent in gmsh_data.entities:
_, tag, _ = model.mesh.getElements(3, ent)
tags += tag
elements = [
fem.elements.from_id(elid) for elid in chain.from_iterable(tags)
]
set_name = make_name_fem_ready(f"el{solid_object.name}_so")
fem_sec_name = make_name_fem_ready(f"d{solid_object.name}_so")
fem_set = FemSet(set_name, elements, FemSet.TYPES.ELSET, parent=fem)
fem_sec = FemSection(fem_sec_name, ElemType.SOLID, fem_set,
solid_object.material)
add_sec_to_fem(fem, fem_sec, fem_set)
def get_bm_sections(model: gmsh.model, beam: Beam, gmsh_data, fem: FEM):
from ada.core.vector_utils import vector_length
tags = []
for dim, ent in gmsh_data.entities:
_, tag, _ = model.mesh.getElements(1, ent)
tags += tag
elements = [
fem.elements.from_id(elid) for elid in chain.from_iterable(tags)
]
set_name = make_name_fem_ready(f"el{beam.name}_set_bm")
fem_sec_name = make_name_fem_ready(f"d{beam.name}_sec_bm")
fem_set = FemSet(set_name, elements, FemSet.TYPES.ELSET, parent=fem)
fem_sec = FemSection(fem_sec_name,
ElemType.LINE,
fem_set,
beam.material,
beam.section,
beam.ori[2],
refs=[beam])
add_sec_to_fem(fem, fem_sec, fem_set)
if beam.hinge_prop is None:
return
end1_p = beam.hinge_prop.end1.concept_node.p if beam.hinge_prop.end1 is not None else None
end2_p = beam.hinge_prop.end2.concept_node.p if beam.hinge_prop.end2 is not None else None
if beam.hinge_prop is not None:
for el in elements:
n1 = el.nodes[0]
n2 = el.nodes[-1]
el.hinge_prop = beam.hinge_prop
if beam.hinge_prop.end1 is not None and vector_length(end1_p -
n1.p) == 0.0:
el.hinge_prop.end1.fem_node = n1
if beam.hinge_prop.end2 is not None and vector_length(end2_p -
n2.p) == 0.0:
el.hinge_prop.end2.fem_node = n2
def get_sh_sections_for_beam_obj(model: gmsh.model, beam: Beam,
gmsh_data: GmshData, fem: FEM):
from ada.sections.bm_sh_ident import eval_thick_normal_from_cog_of_beam_plate
pl1 = Placement(beam.n1.p, beam.yvec, beam.up, beam.xvec)
for _, ent in gmsh_data.entities:
_, _, param = model.mesh.getNodes(2, ent, True)
normal = np.array([
0.0 if abs(x) == 0.0 else x
for x in model.getNormal(ent, param)[:3]
])
cog = model.occ.getCenterOfMass(2, ent)
pc = eval_thick_normal_from_cog_of_beam_plate(beam.section, cog,
normal, pl1)
_, tags, _ = model.mesh.getElements(2, ent)
elements = [fem.elements.from_id(x) for x in chain.from_iterable(tags)]
set_name = make_name_fem_ready(f"el{beam.name}_e{ent}_{pc.type}_sh")
fem_sec_name = make_name_fem_ready(f"d{beam.name}_e{ent}_{pc.type}_sh")
add_shell_section(set_name, fem_sec_name, normal, pc.thick, elements,
beam, fem)
def create_sconcept_str(fem_sec: FemSection) -> Tuple[str, str, str]:
sconcept_str = ""
# Give concept relationship based on inputted values
beams = [x for x in fem_sec.refs if type(x) is Beam]
if len(beams) != 1:
raise ValueError("A FemSection cannot be sourced from multiple beams")
beam = beams[0]
fem_sec.metadata["ircon"] = next(concept_ircon)
bm_name = make_name_fem_ready(beam.name, no_dot=True)
tdsconc_str = write_ff(
"TDSCONC",
[(4, fem_sec.metadata["ircon"], 100 + len(bm_name), 0), (bm_name, )],
)
sconcept_str += write_ff("SCONCEPT", [(8, next(concept), 7, 0),
(0, 1, 0, 2)])
sconc_ref = next(concept)
sconcept_str += write_ff("SCONCEPT", [(5, sconc_ref, 2, 4), (1, )])
elids: List[tuple] = []
i = 0
numel = len(beam.elem_refs)
elid_bulk = [numel]
for el in fem_sec.elset.members:
if i == 3:
elids.append(tuple(elid_bulk))
elid_bulk = []
i = -1
elid_bulk.append(el.id)
i += 1
if len(elid_bulk) != 0:
elids.append(tuple(elid_bulk))
mesh_args = [(5 + numel, sconc_ref, 1, 2)] + elids
scon_mesh = write_ff("SCONMESH", mesh_args)
return tdsconc_str, sconcept_str, scon_mesh
def _sections_str(self):
"""
'TDSECT', 'nfield', 'geono', 'codnam', 'codtxt', 'set_name'
'GIORH ', 'geono', 'hz', 'ty', 'bt', 'tt', 'bb', 'tb', 'sfy', 'sfz', 'NLOBYT|', 'NLOBYB|', 'NLOBZ|'
:return:
"""
from ada.core.utils import Counter, make_name_fem_ready
from ada.sections import SectionCat
sec_str = ""
sec_ids = []
names_str = ""
concept_str = ""
thick_map = dict()
c = Counter(1)
g = Counter(1)
ircon = Counter(1)
shid = Counter(1)
bmid = Counter(1)
for fem_sec in self._gsections:
assert isinstance(fem_sec, FemSection)
if fem_sec.type == "beam":
section = fem_sec.section
if section not in sec_ids:
secid = next(bmid)
sec_name = make_name_fem_ready(fem_sec.section.name,
no_dot=True)
section.metadata["numid"] = secid
names_str += self.write_ff(
"TDSECT",
[
(4, secid, 100 + len(sec_name), 0),
(sec_name, ),
],
)
sec_ids.append(fem_sec.section)
if "beam" in fem_sec.metadata.keys():
# Give concept relationship based on inputted values
beam = fem_sec.metadata["beam"]
numel = fem_sec.metadata["numel"]
fem_sec.metadata["ircon"] = next(ircon)
bm_name = make_name_fem_ready(beam.name, no_dot=True)
concept_str += self.write_ff(
"TDSCONC",
[(4, fem_sec.metadata["ircon"], 100 + len(bm_name),
0), (bm_name, )],
)
concept_str += self.write_ff("SCONCEPT",
[(8, next(c), 7, 0),
(0, 1, 0, 2)])
sconc_ref = next(c)
concept_str += self.write_ff("SCONCEPT",
[(5, sconc_ref, 2, 4),
(1, )])
elids = []
i = 0
elid_bulk = [numel]
for el in fem_sec.elset.members:
if i == 3:
elids.append(tuple(elid_bulk))
elid_bulk = []
i = -1
elid_bulk.append(el.id)
i += 1
if len(elid_bulk) != 0:
elids.append(tuple(elid_bulk))
elid_bulk = []
mesh_args = [(5 + numel, sconc_ref, 1, 2)] + elids
concept_str += self.write_ff("SCONMESH", mesh_args)
concept_str += self.write_ff("GUNIVEC",
[(next(g), *beam.up)])
section.properties.calculate()
p = section.properties
sec_str += self.write_ff(
"GBEAMG",
[
(secid, 0, p.Ax, p.Ix),
(p.Iy, p.Iz, p.Iyz, p.Wxmin),
(p.Wymin, p.Wzmin, p.Shary, p.Sharz),
(p.Scheny, p.Schenz, p.Sy, p.Sz),
],
)
if SectionCat.is_i_profile(section.type):
sec_str += self.write_ff(
"GIORH",
[
(secid, section.h, section.t_w, section.w_top),
(section.t_ftop, section.w_btn, section.t_fbtn,
p.Sfy),
(p.Sfz, ),
],
)
elif SectionCat.is_hp_profile(section.type):
sec_str += self.write_ff(
"GLSEC",
[
(secid, section.h, section.t_w, section.w_btn),
(section.t_fbtn, p.Sfy, p.Sfz, 1),
],
)
elif SectionCat.is_box_profile(section.type):
sec_str += self.write_ff(
"GBOX",
[
(secid, section.h, section.t_w,
section.t_fbtn),
(section.t_ftop, section.w_btn, p.Sfy, p.Sfz),
],
)
elif SectionCat.is_tubular_profile(section.type):
sec_str += self.write_ff(
"GPIPE",
[(secid, (section.r - section.wt) * 2,
section.r * 2, section.wt), (p.Sfy, p.Sfz)],
)
elif SectionCat.is_circular_profile(section.type):
sec_str += self.write_ff(
"GPIPE",
[(secid, (section.r - section.r * 0.99) * 2,
section.r * 2, section.wt), (p.Sfy, p.Sfz)],
)
elif SectionCat.is_flatbar(section.type):
sec_str += self.write_ff(
"GBARM",
[(secid, section.h, section.w_top, section.w_btn),
(p.Sfy, p.Sfz)])
else:
logging.error(
f'Unable to convert "{section}". This will be exported as general section only'
)
elif fem_sec.type == "shell":
if fem_sec.thickness not in thick_map.keys():
sh_id = next(shid)
thick_map[fem_sec.thickness] = sh_id
else:
sh_id = thick_map[fem_sec.thickness]
sec_str += self.write_ff("GELTH",
[(sh_id, fem_sec.thickness, 5)])
else:
raise ValueError(f"Unknown type {fem_sec.type}")
self._thick_map = thick_map
return names_str + sec_str + concept_str