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reorgAbaqusInput.py
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reorgAbaqusInput.py
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import numpy as np
import os
def reorgAbaqusInput(
nsg,
nodes, elements2d, elements3d, elsets,
sections, distributions, orientations,
materials, densities, elastics
):
material_type = {
'ISOTROPIC': 0,
'ENGINEERINGCONSTANTS': 1,
'ORTHOTROPIC': 2,
'ANISOTROPIC': 2
}
# ----- Nodal coordinates ----------------------------------------
# nid = nodes[:, 0]
# if nsg == 1:
# n_coord = nodes[:, [3,]]
# elif nsg == 2:
# n_coord = nodes[:, [2, 3]]
# elif nsg == 3:
# n_coord = nodes[:, [1, 2, 3]]
n_coord = nodes
# print n_coord[0]
# ----- Materials ------------------------------------------------
mtr_id = 0
mtr = {}
mtr_name2id = {}
nmate = len(materials)
for i in range(nmate):
mtr_name = materials[i].parameter['name']
mtr_id += 1
mtr_name2id[mtr_name] = mtr_id
try:
mtr_type = elastics[i].parameter['type']
except KeyError:
mtr_type = 'ISOTROPIC'
mtr_type = material_type[mtr_type]
mtr[mtr_id] = {'isotropy': mtr_type, 'ntemp': 1, 'elastic': []}
rho = densities[i].data[0][0]
# print elastics[i].data
# els = np.array(elastics[i].data).ravel()
els = []
for j in elastics[i].data:
for k in j:
if k is not None:
els.append(k)
# print els
if mtr_type == 0:
elastic = els
elif mtr_type == 1:
elastic = [
els[0], els[1], els[2],
els[6], els[7], els[8],
els[3], els[4], els[5]
]
elif mtr_type == 2:
if len(els) == 9:
elastic = [
els[0], els[1], els[3], 0.0, 0.0, 0.0,
els[2], els[4], 0.0, 0.0, 0.0,
els[5], 0.0, 0.0, 0.0,
els[8], 0.0, 0.0,
els[7], 0.0,
els[6]
]
elif len(els) == 21:
elastic = [
els[0], els[1], els[3], els[15], els[10], els[6],
els[2], els[4], els[16], els[11], els[7],
els[5], els[17], els[12], els[8],
els[20], els[19], els[18],
els[14], els[13],
els[9]
]
elastic = np.hstack(([20.0, rho], elastic))
# print elastic
mtr[mtr_id]['elastic'].append(elastic)
# ----- Layer types ----------------------------------------------
lid = 0
lyt = []
lyt_name2id = {}
used_lyt = []
used_elset = []
for s in sections:
lname = s.parameter['elset']
# used_elset.append(lname)
mname = s.parameter['material']
mid = mtr_name2id[mname]
mname_angle = lname.split('/')[0]
if mname_angle not in used_lyt:
lid += 1
lyt_name2id[mname_angle] = lid
i = mname_angle.rfind('_')
angle = mname_angle[i+1:]
if 'p' in angle:
angle = angle[1:]
elif 'n' in angle:
angle = angle.replace('n', '-')
angle = float(angle.replace('D', '.'))
lyt.append([lid, mid, angle])
used_lyt.append(mname_angle)
used_elset.append([lname, lyt_name2id[mname_angle]])
# ----- Element connectivities -----------------------------------
eid_lid = {}
for elset_lid in used_elset:
es = elsets[elset_lid[0]]
lid = elset_lid[1]
for e in es:
eid_lid[e] = lid
e_connt_2d3 = elements2d[3]
e_connt_2d4 = elements2d[4]
e_connt_2d6 = elements2d[6]
e_connt_2d8 = elements2d[8]
e_connt_3d4 = elements3d[4]
e_connt_3d8 = elements3d[8]
e_connt_3d10 = elements3d[10]
e_connt_3d20 = elements3d[20]
e2d = []
if len(e_connt_2d3) > 1:
e_connt_2d3 = e_connt_2d3[1:]
z = np.zeros((len(e_connt_2d3), 6))
e_connt_2d3 = np.hstack([e_connt_2d3, z])
e2d.append(e_connt_2d3)
if len(e_connt_2d4) > 1:
e_connt_2d4 = e_connt_2d4[1:]
z = np.zeros((len(e_connt_2d4), 5))
e_connt_2d4 = np.hstack([e_connt_2d4, z])
e2d.append(e_connt_2d4)
if len(e_connt_2d6) > 1:
e_connt_2d6 = e_connt_2d6[1:]
z = np.zeros((len(e_connt_2d6), 2))
e_connt_2d6 = np.hstack([e_connt_2d6, z])
e_connt_2d6 = np.insert(e_connt_2d6, 4, 0, axis=1)
e2d.append(e_connt_2d6)
if len(e_connt_2d8) > 1:
e_connt_2d8 = e_connt_2d8[1:]
z = np.zeros((len(e_connt_2d8), 1))
e_connt_2d8 = np.hstack([e_connt_2d8, z])
e2d.append(e_connt_2d8)
if len(e2d) > 0:
elements2d = np.vstack(e2d)
elements2d = elements2d.astype(int)
else:
elements2d = []
e3d = []
if len(e_connt_3d4) > 1:
e_connt_3d4 = e_connt_3d4[1:]
z = np.zeros((len(e_connt_3d4), 16))
e_connt_3d4 = np.hstack([e_connt_3d4, z])
e3d.append(e_connt_3d4)
if len(e_connt_3d8) > 1:
e_connt_3d8 = e_connt_3d8[1:]
z = np.zeros((len(e_connt_3d8), 12))
e_connt_3d8 = np.hstack([e_connt_3d8, z])
e3d.append(e_connt_3d8)
if len(e_connt_3d10) > 1:
e_connt_3d10 = e_connt_3d10[1:]
z = np.zeros((len(e_connt_3d10), 9))
e_connt_3d10 = np.hstack([e_connt_3d10, z])
e_connt_3d10 = np.insert(e_connt_3d10, 5, 0, axis=1)
e3d.append(e_connt_3d10)
if len(e_connt_3d20) > 1:
e3d.append(e_connt_3d20)
if len(e3d) > 0:
elements3d = np.vstack(e3d)
elements3d = elements3d.astype(int)
else:
elements3d = []
nelem = len(elements2d) + len(elements3d)
# print nelem
# ----- Local coordinates ----------------------------------------
eid_all = np.arange(1, nelem+1).tolist()
distr_all = []
if len(distributions) > 0:
# Join all distributions
distr_all = np.zeros((1, 7))
for distr in distributions:
distr_all = np.vstack([distr_all, distr.data[1:]])
distr_all = distr_all[1:]
# print distr_all
# Extract element ids
eids = distr_all[:, 0]
# print eids
# Find indices of unique ids
eids_uni, eids_uni_i = np.unique(eids, return_index=True)
distr_uni = distr_all[eids_uni_i, :]
if nsg == 2:
distr_uni = distr_uni[:, :4]
distr_uni = np.insert(distr_uni, 1, 1, axis=1)
distr_uni = np.insert(distr_uni, 2, 0, axis=1)
distr_uni = np.insert(distr_uni, 3, 0, axis=1)
c_zeros = np.zeros((len(distr_uni), 3))
distr_all = np.hstack([distr_uni, c_zeros])
return {
# 'node ids': nid,
'nodes': n_coord,
'all elements ids': eid_all,
'element to layer type': eid_lid,
'elements 2d': elements2d,
'elements 3d': elements3d,
'distributions': distr_all,
'layer types': lyt,
'materials': mtr
}