# print(mdl.check_node_exists(xyz=[5, 5, 0]))
# print(mdl.node_bounds())
# print(mdl.elements[3])
# print(mdl.elements[3].nodes)
# print(mdl.element_count())
# print(mdl.element_index)
# print(mdl.check_element_exists(nodes=[2, 3]))
rhino.add_sets_from_layers(mdl, layers=['supports', 'loads'])
# print(mdl.sets['trusses'])
# print(mdl.sets['supports'])
# print(mdl.sets['loads'])
mdl.add(Steel(name='steel', fy=355))
# print(mdl.materials['steel'])
mdl.add(TrussSection(name='section', A=0.001))
# print(mdl.sections['section'])
mdl.add(
ElementProperties(name='property',
material='steel',
section='section',
elset='trusses'))
# print(mdl.element_properties['property'])
# Structure
mdl = Structure(name='block_tets', path='C:/Temp/')
# Tetrahedrons
mesh = rs.ObjectsByLayer('base_mesh')[0]
rhino.add_tets_from_mesh(mdl, name='elset_tets', mesh=mesh, volume=10**(-4))
# Sets
rhino.add_sets_from_layers(mdl, layers=['nset_base', 'nset_top'])
# Materials
mdl.add(ElasticIsotropic(name='mat_elastic', E=10 * 10**9, v=0.3, p=1))
# Sections
mdl.add(SolidSection(name='sec_solid'))
# Properties
mdl.add(
Properties(name='ep_tets',
material='mat_elastic',
section='sec_solid',
elset='elset_tets'))
# Displacementss
mdl = Structure(name='beam_simple', path=compas_vibro.TEMP + '/')
# Elements
filepath = os.path.join(compas_vibro.DATA, 'network_10x10.json')
network = Network.from_json(filepath)
mdl.add_nodes_elements_from_network(network=network,
element_type='BeamElement',
elset='elset_lines',
axes={'ex': [0, 0, 1]})
# Materials
mdl.add(ElasticIsotropic(name='mat_elastic', E=20 * 10**9, v=0.3, p=1500))
# Sets
mdl.add_set(name='load_pts', selection=[15, 14], type='node')
# Section
mdl.add(CircularSection(name='cirsec', r=.05))
mdl.add(
Properties(name='ep',
material='mat_elastic',
section='cirsec',
elset='elset_lines'))
# Displacements
blender.add_nodes_elements_from_layers(
mdl,
layers=['elset_top_plate', 'elset_bot_plate'],
mesh_type='ShellElement')
blender.add_nodes_elements_from_layers(mdl,
layers='elset_ties',
line_type='TrussElement')
# Sets
blender.add_nsets_from_layers(mdl, layers=['nset_supports', 'nset_load'])
# Materials
mdl.add([
Steel(name='mat_steel', fy=355),
Concrete(name='mat_concrete', fck=90),
])
# Sections
mdl.add([
ShellSection(name='sec_plate', t=0.005),
TrussSection(name='sec_tie', A=0.25 * 3.142 * 0.008**2),
SolidSection(name='sec_solid'),
])
# Properties
mdl.add([
Properties(name='ep_plate1',
material='mat_steel',
zmin, zmax = mdl.node_bounds()[2]
nodes_top = [i for i, node in mdl.nodes.items() if node.z > zmax - 0.010]
nodes_bot = [i for i, node in mdl.nodes.items() if node.z < zmin + 0.010]
mdl.add_set(name='nset_top', type='node', selection=nodes_top)
mdl.add_set(name='nset_bot', type='node', selection=nodes_bot)
#print(mdl.sets['nset_top'])
#print(mdl.sets['nset_bot'])
mdl.add([
ElasticIsotropic(name='mat_elastic', E=50 * 10**9, v=0.3, p=1),
SolidSection(name='sec_solid'),
ElementProperties(name='ep_tets',
material='mat_elastic',
section='sec_solid',
elset='mesh_tets'),
PinnedDisplacement(name='disp_pinned', nodes='nset_bot'),
PointLoad(name='load_top', nodes='nset_top', y=20000, z=10000),
GeneralStep(name='step_bc', displacements='disp_pinned'),
GeneralStep(name='step_load', loads='load_top'),
])
mdl.steps_order = ['step_bc', 'step_load']
mdl.summary()
mdl.analyse_and_extract(software='abaqus', fields=['u', 's'])
rhino.plot_data(mdl, step='step_load', field='um')
rhino.plot_data(mdl, step='step_load', field='smises')
#rhino.plot_voxels(mdl, step='step_load', field='um', vdx=0.100)
# print('Check element with nodes 0-1: ', mdl.check_element_exists([0, 1]))
# Add sets
mdl.add_set(name='nset_base', type='node', selection=[0, 1, 2, 3])
mdl.add_set(name='nset_top', type='node', selection=[4])
mdl.add_set(name='elset_beams', type='element', selection=[0, 1, 2, 3])
mdl.add_set(name='elset_shell', type='element', selection=[4])
# print('Set: nset_base: ', mdl.sets['nset_base'])
# print('Set: elset_shell: ', mdl.sets['elset_shell'])
# Add sections
mdl.add([
CircularSection(name='sec_circ', r=0.010),
ShellSection(name='sec_shell', t=0.005),
])
# print('Section geometry: ', mdl.sections['sec_circ'].geometry)
# Add materials
mdl.add(ElasticIsotropic(name='mat_elastic', E=10 * 10**9, v=0.3, p=1500))
# print('Material E: ', mdl.materials['mat_elastic'].E)
# Add element properties
mdl.add([
Properties(name='ep_circ',
material='mat_elastic',
mdl = Structure(name='mesh_plate', path='C:/Temp/')
# Elements
rhino.add_nodes_elements_from_layers(mdl,
mesh_type='ShellElement',
layers='elset_mesh')
# Sets
rhino.add_sets_from_layers(mdl,
layers=['nset_load', 'nset_left', 'nset_right'])
# Materials
mdl.add(ElasticIsotropic(name='mat_elastic', E=75 * 10**9, v=0.3, p=2700))
# Sections
mdl.add(ShellSection(name='sec_plate', t=0.020))
# Properties
mdl.add(
Properties(name='ep_plate',
material='mat_elastic',
section='sec_plate',
elset='elset_mesh'))
# Displacements
mdl = Structure(name='mesh_principal', path='C:/Temp/')
# Elements
rhino.add_nodes_elements_from_layers(mdl,
mesh_type='ShellElement',
layers='elset_mesh')
# Sets
rhino.add_sets_from_layers(mdl, layers='nset_pins')
# Materials
mdl.add(ElasticIsotropic(name='mat_elastic', E=10**12, v=0.3, p=1000))
# Sections
mdl.add(ShellSection(name='sec_plate', t=1))
# Properties
mdl.add(
Properties(name='ep_plate',
material='mat_elastic',
section='sec_plate',
elset='elset_mesh'))
# Displacements
layers='elset_floor',
mesh_type='ShellElement')
blender.add_nodes_elements_from_layers(mdl,
layers='elset_ties',
line_type='TrussElement')
# Sets
blender.add_nsets_from_layers(mdl, layers=['nset_corner1', 'nset_corner2'])
edges = [i for i in mdl.nodes if mdl.nodes[i].z < 0.001]
mdl.add_set(name='nset_edges', type='node', selection=edges)
# Materials
mdl.add([
Concrete(name='mat_concrete', fck=90, fr=[1.16, 0.15]),
Steel(name='mat_steel', fy=355),
])
# Sections
mdl.add([
ShellSection(name='sec_floor', t=0.050),
TrussSection(name='sec_ties', A=pi * 0.25 * 0.030**2),
])
# Properties
mdl.add([
Properties(name='ep_floor',
material='mat_concrete',
section='sec_floor',
mdl = Structure(name='beam_bench', path=compas_fea.TEMP)
# Nodes and Elements
xyz = [[0, 0, 0], [1, 0, 0]]
nodes = mdl.add_nodes(xyz)
beam = mdl.add_element(nodes, 'BeamElement', axes={'ex': [0, 1, 0]})
# Sets
elset_beams = mdl.add_set('elset_beams', 'element', [beam])
# Materials
mdl.add(Steel(name='mat_steel'))
# Sections
mdl.add(RectangularSection(name='sec_pipe', b=0.05, h=0.1))
# Properties
mdl.add(
Properties(name='ep_beam',
material='mat_steel',
section='sec_pipe',
elset='elset_beams'))
# Displacements
rhino.add_nodes_elements_from_layers(mdl, mesh_type='ShellElement', layers=['elset_ribs', 'elset_vault'])
rhino.add_nodes_elements_from_layers(mdl, line_type='BeamElement', layers='elset_stiff')
rhino.add_nodes_elements_from_layers(mdl, line_type='TrussElement', layers='elset_ties')
# Sets
rhino.add_sets_from_layers(mdl, layers=['nset_corner1', 'nset_corner2'])
edges = [i for i in mdl.nodes if mdl.nodes[i].z < 0.001]
mdl.add_set(name='nset_edges', type='node', selection=edges)
# Materials
mdl.add([
Concrete(name='mat_concrete', fck=90, fr=[1.16, 0.15]),
Stiff(name='mat_stiff', E=10**12),
Steel(name='mat_steel', fy=355),
])
# Sections
mdl.add([
ShellSection(name='sec_ribs', t=0.020),
ShellSection(name='sec_vault', t=0.050),
RectangularSection(name='sec_stiff', b=1, h=1),
TrussSection(name='sec_ties', A=pi*0.25*0.030**2),
])
# Properties
mdl.add([
mdl = Structure(name='beam_frame', path='C:/Temp/')
# Elements
rhino.add_nodes_elements_from_layers(mdl,
line_type='BeamElement',
layers='elset_lines')
# Sets
rhino.add_sets_from_layers(mdl, layers=['nset_left', 'nset_right'])
# Materials
mdl.add(ElasticIsotropic(name='mat_elastic', E=210 * 10**9, v=0.3, p=7500))
# Sections
mdl.add(RectangularSection(name='sec_beam', b=1, h=1))
# Properties
mdl.add(
Properties(name='ep_beam',
material='mat_elastic',
section='sec_beam',
elset='elset_lines'))
# Displacements
mdl = Structure(name='spring_simple', path='C:/Temp/')
# Elements
springs = ['spring_bot_left', 'spring_bot_right', 'spring_top_left', 'spring_top_right']
rhino.add_nodes_elements_from_layers(mdl, line_type='SpringElement', layers=springs)
# Sets
rhino.add_sets_from_layers(mdl, layers=['pins', 'middle'])
# Sections
mdl.add([
SpringSection(name='spring_elastic', stiffness={'axial': 10000}),
SpringSection(name='spring_soft', stiffness={'axial': 1000}),
])
# Properties
mdl.add([
Properties(name='ep_bl', section='spring_elastic', elset='spring_bot_left'),
Properties(name='ep_br', section='spring_soft', elset='spring_bot_right'),
Properties(name='ep_tl', section='spring_elastic', elset='spring_top_left'),
Properties(name='ep_tr', section='spring_elastic', elset='spring_top_right'),
])
# Displacements
mdl.add([
PinnedDisplacement(name='disp_pins', nodes='pins'),
# Structure mdl = Structure(name='beam_shell_rhino', path='C:/Temp/') # Elements layers = ['beams', 'shell'] rhino.add_nodes_elements_from_layers(mdl, line_type='BeamElement', mesh_type='ShellElement', layers=layers) # Sets rhino.add_sets_from_layers(mdl, layers=['supports']) # Materials mdl.add(ElasticIsotropic(name='mat_1', E=20*10**9, v=0.3, p=1500)) mdl.add(ElasticIsotropic(name='mat_2', E=30*10**9, v=0.3, p=1500)) # Sections mdl.add(RectangularSection(name='bsec', b=0.1, h=.2)) mdl.add(Properties(name='ep_1', material='mat_1', section='bsec', elsets=['beams'])) mdl.add(ShellSection(name='ssec', t=.1)) mdl.add(Properties(name='ep_2', material='mat_2', section='ssec', elsets=['shell'])) # Displacements mdl.add([FixedDisplacement(name='supports', nodes='supports')]) # Loads
mdl = Structure(name='mesh_mould', path='C:/Temp/')
# Elements
rhino.add_nodes_elements_from_layers(mdl,
mesh_type='ShellElement',
layers=['elset_wall', 'elset_plinth'])
# Sets
rhino.add_sets_from_layers(mdl, layers=['nset_fixed', 'nset_loads'])
# Materials
mdl.add([
Concrete(name='mat_concrete', fck=40),
Steel(name='mat_rebar', fy=500),
])
# Sections
mdl.add([
ShellSection(name='sec_wall', t=0.150),
ShellSection(name='sec_plinth', t=0.300),
])
# Properties
reb_plinth = {
'p_u1': {
'pos': +0.130,
'spacing': 0.100,
def compute_compas_fea(file_path, load_path, fea_engine='abaqus', recompute=True):
""" Use abaqus (via compas_fea) to perform elastic FEA on the given frame
under a given load case. If no load path is specified, elemental gravity
will be assumbed to be applied.
Parameters
----------
file_path : string
full path to the frame shape's json file.
load_path : type
full path to the load case's json file.
Returns
-------
nD: dict
Reactional nodal displacement
key is the node id.
value is
(nodal_id, dx, dy, dz, theta_x, theta_y, theta_z).
fR: dict
Fixities reaction force, moment.
key is the nodal id.
value is [Fxyz, Mxyz] in the global axes.
eR: dict
Element-wise reaction force, moment (two ends).
key is the element id.
(Fxyz_1, Mxyz_1, Fxyz_2, Mxyz_2)
"""
root_dir = os.path.dirname(os.path.abspath(__file__))
temp_dir = os.path.join(root_dir, 'compas_fea-temp')
if not os.path.exists(temp_dir):
os.makedirs(temp_dir)
file_json_name = file_path.split(os.sep)[-1]
file_name = file_json_name.split('.')[0]
print('compas_fea initing: file name {}'.format(file_name))
if not recompute:
nD, fR, eR = parse_abaqus_result_json(file_name, temp_dir)
return nD, fR, eR
with open(file_path, 'r') as f:
json_data = json.loads(f.read())
load_json_data = {}
if load_path:
with open(load_path, 'r') as f:
load_json_data = json.loads(f.read())
# init an empty structure
mdl = Structure(name=file_name, path=os.path.join(temp_dir, ''))
# nodes
mdl.add_nodes(nodes=parse_frame_nodes(json_data))
# elements
elements = parse_elements(json_data)
# align local axes with conmech
sc = stiffness_checker(json_file_path=file_path, verbose=False)
e_rot_mats = sc.get_element_local2global_rot_matrices()
assert len(e_rot_mats) == len(elements)
for e, mat in zip(elements, e_rot_mats):
# compas_fea local axis convention is differrent to the one used in conmech:
# in compas_fea
# 'ex' axis represents the cross-section’s major axis
# 'ey' is the cross-section’s minor axis
# 'ez' is the axis along the element
# TODO: this numpy array to list conversion
# is essential to make compas_fea work...
ez = list(mat[0][0:3]) # conmech longitude axis
ex = list(mat[1][0:3]) # conmech cross sec major axis
ey = list(mat[2][0:3]) # conmech cross sec minor axis
mdl.add_element(nodes=e,
type='BeamElement',
axes={'ex': ex, 'ey': ey, 'ez': ez})
# print(mdl.elements[mdl.check_element_exists(nodes=e)])
assert_equal(mdl.element_count(), len(elements))
# Sets
# just convenient aliases for referring to a group of elements
mdl.add_set(name='elset_all', type='element', selection=list(range(mdl.element_count())))
mdl.add_set(name='nset_all', type='node', selection=list(range(mdl.node_count())))
fixities = parse_fixties(json_data)
mdl.add_set(name='nset_fix', type='node', selection=[f[0] for f in fixities])
if load_json_data:
pt_loads, include_sw = parse_load_case(load_json_data)
# mdl.add_set(name='nset_pt_load', type='node', selection=[l[0] for l in pt_loads])
else:
pt_loads = []
include_sw = True
if pt_loads:
mdl.add_set(name='nset_v_load_all', type='node', selection=[pl[0] for pl in pt_loads])
# Materials
# Young’s modulus E [in units of Pa]
# Poisson’s ratio v and density p [kg per cubic metre].
mat_json = json_data['material_properties']
mat_name = 'mat_' + mat_json['material_name']
E_scale = parse_pressure_scale_conversion(mat_json['youngs_modulus_unit'])
p_scale = parse_density_scale_conversion(mat_json['density_unit'])
mdl.add(ElasticIsotropic(name=mat_name,
E=E_scale * mat_json['youngs_modulus'],
v=mat_json['poisson_ratio'],
p=p_scale * mat_json['density']))
# G_scale = parse_pressure_scale_conversion(mat_json['shear_modulus_unit'])
# print('{}, {}'.format(mdl.materials['mat_' + mat_json['material_name']].G, G_scale * mat_json['shear_modulus']))
# assert_almost_equal(mdl.materials['mat_' + mat_json['material_name']].G['G'], G_scale * mat_json['shear_modulus'])
# print('-----------material')
# print(mdl.materials[mat_name])
# Sections
# SI units should be used, this includes the use of metres m for cross-section dimensions, not millimetres mm.
sec_name = 'sec_circ'
mdl.add(CircularSection(name=sec_name, r=parse_circular_cross_sec_radius(json_data)))
# print('-----------cross section')
# print(mdl.sections[sec_name])
# Properties, associate material & cross sec w/ element sets
mdl.add(Properties(name='ep_all', material=mat_name, section=sec_name, elset='elset_all'))
# Displacements
# pin supports
for i, fix in enumerate(fixities):
f_dof = []
for j in range(6):
if fix[j+1] == 1:
f_dof.append(0)
else:
f_dof.append(None)
mdl.add(GeneralDisplacement(name='disp_fix_'+str(i), nodes=[fix[0]], x=f_dof[0], y=f_dof[1], z=f_dof[2], xx=f_dof[3], yy=f_dof[4], zz=f_dof[5]))
# print('-----------fixities')
# for i in range(len(fixities)):
# print(mdl.displacements['disp_fix_'+str(i)])
# Loads
if pt_loads:
mdl.add([PointLoad(name='load_v_'+str(i), nodes=[pl[0]],
x=pl[1], y=pl[2], z=pl[3],
xx=pl[4], yy=pl[5], zz=pl[6])
for i, pl in enumerate(pt_loads)])
if include_sw:
mdl.add(GravityLoad(name='load_gravity', elements='elset_all'))
else:
mdl.add(GravityLoad(name='load_gravity', elements='elset_all'))
# print('-----------loads')
# print(mdl.loads['load_gravity'])
# for i in range(len(pt_loads)):
# print(mdl.loads['load_v_'+str(i)])
# Steps
loads_names = []
if pt_loads:
loads_names.extend(['load_v_'+str(i) for i in range(len(pt_loads))])
if include_sw:
loads_names.append('load_gravity')
mdl.add([
GeneralStep(name='step_bc', displacements=['disp_fix_'+str(i) for i in range(len(fixities))]),
GeneralStep(name='step_loads', loads=loads_names)
])
# a boundary condition step such as 'step_bc' above, should always be applied as the first step to prevent rigid body motion
mdl.steps_order = ['step_bc', 'step_loads']
# Summary
mdl.summary()
# Run
# node
# 'u': nodal displacement: ux, uy, uz, um (magnitude)
# 'ur': nodal rotation
# 'rf': reaction force
# 'cf': concentrated force (external load)
# 'cm': concentrated moment (external load)
# element
# 's': beam stress (conmech cannot compute this at
# version 0.1.1)
# For beam, the following values are evaluated
# at the "integration point" 'ip1' (middle point)
# and pts along the axis: 'sp3, sp7, sp11, sp15'
# sxx: axial
# syy: hoop
# sxy: torsion
# smises: Von Mises
# smaxp: max principal
# sminp: min principal
# 'sf': beam section force
# sf1: axial
# sf2: shear x
# sf3: shear y
if fea_engine == 'abaqus':
mdl.analyse_and_extract(software='abaqus', fields=['u', 'ur', 'rf', 'rm', 'sf'], ndof=6, output=True)
nD, fR, eR = parse_abaqus_result_json(file_name, temp_dir)
elif fea_engine == 'opensees':
mdl.analyse_and_extract(software='opensees', fields=['u'], exe=OPENSEES_PATH, ndof=6, output=True, save=True)
raise NotImplementedError('opensees from compas_fea is not fully supported at this moment...')
nD = {}
fR = {}
eR = {}
# nD = mdl.get_nodal_results(step='step_load', field='ux', nodes='nset_all')
print(mdl.results)
else:
raise NotImplementedError('FEA engine not supported!')
return nD, fR, eR
# Structure
mdl = Structure(name='mesh_modal_from_mesh', path='C:/Temp/')
# Elements
rhino.add_nodes_elements_from_layers(mdl, mesh_type='ShellElement', layers='elset_concrete', pA=100)
rhino.add_nodes_elements_from_layers(mdl, mesh_type='MassElement', layers='elset_mass',pA=1000)
# Sets
rhino.add_sets_from_layers(mdl, layers='nset_pins')
# Materials
mdl.add(ElasticIsotropic(name='mat_concrete', E=40*10**9, v=0.2, p=2400))
# Sections
mdl.add([ShellSection(name='sec_concrete', t=0.250),
MassSection(name='sec_mass')])
# Properties
mdl.add([Properties(name='ep_concrete', material='mat_concrete', section='sec_concrete', elset='elset_concrete'),
Properties(name='ep_mass', section='sec_mass', elset='elset_mass')])
# Displacements
mdl.add(PinnedDisplacement(name='disp_pinned', nodes='nset_pins'))
# Elements
network = rhino.network_from_lines(layer='elset_lines')
mdl.add_nodes_elements_from_network(network=network,
element_type='BeamElement',
elset='elset_lines',
axes={'ex': [0, -1, 0]})
# Sets
rhino.add_sets_from_layers(mdl,
layers=['nset_left', 'nset_right', 'nset_weights'])
# Materials
mdl.add(ElasticIsotropic(name='mat_elastic', E=20 * 10**9, v=0.3, p=1500))
# Sections
_, ekeys, L, Lt = rhino.ordered_network(mdl,
network=network,
layer='nset_left')
for i, Li in zip(ekeys, L):
ri = (1 + Li / Lt) * 0.020
sname = 'sec_{0}'.format(i)
mdl.add(CircularSection(name=sname, r=ri))
mdl.add(
Properties(name='ep_{0}'.format(i),
material='mat_elastic',
section=sname,
rhino.add_nodes_elements_from_layers(mdl,
line_type='BeamElement',
layers='elset_ends')
# Sets
ymin, ymax = mdl.node_bounds()[1]
nodes_top = [i for i, node in mdl.nodes.items() if node.y > ymax - 0.01]
nodes_bot = [i for i, node in mdl.nodes.items() if node.y < ymin + 0.01]
mdl.add_set(name='nset_top', type='node', selection=nodes_top)
mdl.add_set(name='nset_bot', type='node', selection=nodes_bot)
# Materials
mdl.add([
Concrete(name='mat_concrete', fck=90),
Steel(name='mat_steel', fy=355),
])
# Sections
mdl.add([
ShellSection(name='sec_mesh', t=0.004),
TrussSection(name='sec_ties', A=0.25 * pi * 0.010**2),
RectangularSection(name='sec_ends', b=0.030, h=0.030),
])
# Properties
mdl.add([
Properties(name='ep_mesh',
material='mat_concrete',
# Sets
ymin, ymax = mdl.node_bounds()[1]
top = [i for i, node in mdl.nodes.items() if node.y > ymax - 0.001]
bot = [i for i, node in mdl.nodes.items() if node.y < ymin + 0.001]
mdl.add_set(name='nset_top', type='node', selection=top)
mdl.add_set(name='nset_bot', type='node', selection=bot)
# Materials
MPa = 10**6
GPa = 10**9
mdl.add([
ElasticPlastic(name='mat_1', E=100*GPa, v=0.3, p=1, f=[100*MPa, 100*MPa], e=[0, 1]),
ElasticPlastic(name='mat_2', E=150*GPa, v=0.3, p=1, f=[150*MPa, 150*MPa], e=[0, 1]),
ElasticPlastic(name='mat_3', E=200*GPa, v=0.3, p=1, f=[900*MPa, 900*MPa], e=[0, 1]),
])
# Sections
mdl.add([
SolidSection(name='sec_solid'),
ShellSection(name='sec_membrane', t=0.002),
RectangularSection(name='sec_rectangle', b=0.002, h=0.002),
])
# Properties
rebar = {
'top': {'pos': +0.001, 'spacing': 0.010, 'material': 'mat_3', 'dia': 0.002, 'angle': 0},
# Elements
network = rhino.network_from_lines(layer='elset_lines')
mdl.add_nodes_elements_from_network(network=network,
element_type='BeamElement',
elset='elset_lines',
axes={'ex': [0, -1, 0]})
# Sets
rhino.add_sets_from_layers(mdl,
layers=['nset_left', 'nset_right', 'nset_weights'])
# Materials
mdl.add(ElasticIsotropic(name='mat_elastic', E=20 * 10**9, v=0.3, p=1500))
# Sections
_, ekeys, L, Lt = rhino.ordered_network(mdl,
network=network,
layer='nset_left')
for i, Li in zip(ekeys, L):
ri = (1 + Li / Lt) * 0.020
sname = 'sec_{0}'.format(i)
mdl.add(CircularSection(name=sname, r=ri))
mdl.add(
Properties(name='ep_{0}'.format(i),
material='mat_elastic',
section=sname,
mdl = Structure(name='truss_tower', path='C:/Temp/')
# Elements
blender.add_nodes_elements_from_layers(mdl,
line_type='TrussElement',
layers='elset_truss')
# Sets
blender.add_nsets_from_layers(mdl, layers=['nset_pins', 'nset_top'])
# Materials
mdl.add(ElasticIsotropic(name='mat_elastic', E=200 * 10**9, v=0.3, p=7850))
# Sections
mdl.add(TrussSection(name='sec_truss', A=0.0001))
# Properties
mdl.add(
Properties(name='ep_truss',
material='mat_elastic',
section='sec_truss',
elset='elset_truss'))
# Displacements
rhino.add_nodes_elements_from_layers(mdl,
mesh_type='ShellElement',
layers=['elset_mesh', 'elset_plates'])
rhino.add_nodes_elements_from_layers(mdl,
line_type='TrussElement',
layers=['elset_tie'])
# Sets
rhino.add_sets_from_layers(mdl, layers=['nset_pin', 'nset_roller'])
# Materials
mdl.add([
Concrete(name='mat_concrete', fck=50),
Steel(name='mat_steel', fy=460),
])
# Sections
mdl.add([
ShellSection(name='sec_planar', t=0.050),
TrussSection(name='sec_tie', A=0.0001),
])
# Properties
mdl.add([
Properties(name='ep_planar',
material='mat_concrete',
section='sec_planar',
mdl = Structure(name='meshpillow_from_rhino', path='C:/Temp/')
# Elements
rhino.add_nodes_elements_from_layers(mdl,
mesh_type='ShellElement',
layers=['mesh'])
# Sets
rhino.add_sets_from_layers(mdl, layers=['supports', 'lpts1', 'lpts2'])
# Materials
mdl.add(ElasticIsotropic(name='mat_elastic', E=20 * 10**9, v=0.3, p=1500))
# Sections
mdl.add(ShellSection(name='sec_shell', t=0.050))
# Properties
mdl.add(
Properties(name='ep_shell',
material='mat_elastic',
section='sec_shell',
elset='mesh'))
# Displacements
# Extrude
nz = 20
rhino.mesh_extrude(mdl,
guid=rs.ObjectsByLayer('base_mesh'),
layers=nz,
thickness=1. / nz,
blocks_name='elset_blocks')
# Sets
rhino.add_sets_from_layers(mdl, layers=['nset_load', 'nset_supports'])
# Materials
mdl.add(ElasticIsotropic(name='mat_elastic', E=10**(10), v=0.3, p=1))
# Sections
mdl.add(SolidSection(name='sec_solid'))
# Properties
mdl.add(
Properties(name='ep_solid',
material='mat_elastic',
section='sec_solid',
elset='elset_blocks'))
# Displacements
xyz = [[0, 0, 0], [1, 0, 0], [2, 0, 0], [0, 1, 0], [1, 1, 0], [2, 1, 0],
[0, 2, 0], [1, 2, 0], [2, 2, 0]]
nodes = mdl.add_nodes(xyz)
shells = [[0, 1, 4, 3], [1, 2, 5, 4], [3, 4, 7, 6], [4, 5, 8, 7]]
shells = [mdl.add_element(shell, 'ShellElement') for shell in shells]
# Sets
elset_shells = mdl.add_set('elset_shells', 'element', shells)
# Materials
mdl.add(Steel(name='mat_steel'))
# Sections
mdl.add(ShellSection(name='sec_shell', t=0.01))
# Properties
mdl.add(
Properties(name='ep_shell',
material='mat_steel',
section='sec_shell',
elset='elset_shells'))
# Displacements
# For the path in the command below, select the location you prefer
mdl = Structure(name='Nexorades', path='C:/TEMP/')
#-------------------------------------------------------------------------------
# Elements
rhino.add_nodes_elements_from_layers(mdl,
line_type='BeamElement',
layers='elset_beams')
#-------------------------------------------------------------------------------
# Sets
rhino.add_sets_from_layers(mdl, layers=['nset_support', 'nset_load'])
#-------------------------------------------------------------------------------
# Materials
mdl.add(ElasticIsotropic(name='mat_elastic', E=11000000, v=10**(-5), p=0.01))
#-------------------------------------------------------------------------------
# Sections
mdl.add(CircularSection(name='sec_beam', r=0.2))
#-------------------------------------------------------------------------------
# Properties
mdl.add(
Properties(name='ep_beam',
material='mat_elastic',
section='sec_beam',
elset='elset_beams'))
#-------------------------------------------------------------------------------
# Displacements
mdl = Structure(name='mesh_strip', path='C:/Temp/')
# Elements
rhino.add_nodes_elements_from_layers(mdl,
mesh_type='ShellElement',
layers='elset_mesh')
# Sets
rhino.add_sets_from_layers(mdl,
layers=['nset_left', 'nset_right', 'nset_middle'])
# Materials
mdl.add(ElasticIsotropic(name='mat_elastic', E=75 * 10**9, v=0.3, p=2700))
# Sections
mdl.add(ShellSection(name='sec_plate', t=0.001))
# Properties
mdl.add(
Properties(name='ep_plate',
material='mat_elastic',
section='sec_plate',
elset='elset_mesh'))
# Displacements
from compas_fea.structure import ModalStep
# Author(s): Andrew Liew (github.com/andrewliew)
mdl = Structure(name='example_shell', path='C:/Temp/')
rhino.add_nodes_elements_from_layers(mdl,
mesh_type='ShellElement',
layers='mesh')
rhino.add_sets_from_layers(mdl, layers=['loads', 'supports', 'area'])
#print(mdl.sets['loads'])
#print(mdl.sets['supports'])
#print(mdl.sets['area'])
mdl.add(Concrete(name='concrete', fck=50))
#print(mdl.materials['concrete'])
mdl.add(ShellSection(name='shell', t=0.100))
#print(mdl.sections['shell'])
mdl.add(
ElementProperties(name='ep',
material='concrete',
section='shell',
elset='mesh'))
#print(mdl.element_properties['ep'])
'struts_mushroom', 'struts_bamboo', 'joints_mushroom', 'joints_bamboo',
'joints_grid'
]
rhino.add_nodes_elements_from_layers(mdl,
line_type='BeamElement',
layers=layers)
# Sets
rhino.add_sets_from_layers(mdl, layers=['supports_bot', 'supports_top'])
# Sections
mdl.add([
TrapezoidalSection(name='sec_mushroom', b1=0.001, b2=0.150, h=0.225),
RectangularSection(name='sec_bamboo', b=0.020, h=0.100),
RectangularSection(name='sec_joints', b=0.020, h=0.075),
])
# Materials
fm = [i * 1000000 for i in [5, 9, 12, 14, 16, 18, 19, 20, 21, 22]]
em = [0, 0.01, 0.02, 0.03, 0.04, 0.05, 0.06, 0.07, 0.08, 0.09]
mdl.add([
ElasticIsotropic(name='mat_bamboo', E=20 * 10**9, v=0.35, p=1100),
ElasticPlastic(name='mat_mushroom', E=5 * 10**6, v=0.30, p=350, f=fm,
e=em),
])
# Properties