def test_tri_180_01(self):
r"""
Identify a reasonable tri with super tight tolerances
y
^ 4
| / /
| / /
| / /
| / /
/ /
1------2-------> x
"""
msg = (
'CEND\n'
'BEGIN BULK\n'
'GRID,1,,0.,0.,0.\n'
'GRID,2,,1.,0.,0.\n'
'GRID,4,,2., 1.,0.\n'
'CTRIA3,100,1, 1,2,4\n'
'PSHELL,1,1,0.1\n'
'MAT1,1,3.0,, 0.3\n'
'ENDDATA'
)
bdf_filename = 'ctria3.bdf'
with codec_open(bdf_filename, 'w') as bdf_file:
bdf_file.write(msg)
model = read_bdf(bdf_filename, xref=True)
eids_to_delete = get_bad_shells(model, max_theta=180.,
max_skew=1000., max_aspect_ratio=1000.)
assert eids_to_delete == [100], eids_to_delete
os.remove(bdf_filename)
def test_tri_180_01(self):
r"""
Identify a reasonable tri with super tight tolerances
y
^ 4
| / /
| / /
| / /
| / /
/ /
1------2-------> x
"""
msg = ('CEND\n'
'BEGIN BULK\n'
'GRID,1,,0.,0.,0.\n'
'GRID,2,,1.,0.,0.\n'
'GRID,4,,2., 1.,0.\n'
'CTRIA3,100,1, 1,2,4\n'
'PSHELL,1,1,0.1\n'
'MAT1,1,3.0,, 0.3\n'
'ENDDATA')
bdf_filename = 'ctria3.bdf'
with codec_open(bdf_filename, 'w') as bdf_file:
bdf_file.write(msg)
model = read_bdf(bdf_filename, xref=True)
eids_to_delete = get_bad_shells(model,
max_theta=180.,
max_skew=1000.,
max_aspect_ratio=1000.)
assert eids_to_delete == [100], eids_to_delete
os.remove(bdf_filename)
def test_renumber_01(self):
"""renumber a bdf"""
log = SimpleLogger(level='warning')
bdf_filename = os.path.abspath(
os.path.join(pkg_path, '..', 'models', 'bwb', 'BWB_saero.bdf'))
bdf_filename_out1 = os.path.abspath(
os.path.join(pkg_path, '..', 'models', 'bwb', 'BWB_saero1.out'))
bdf_filename_out2 = os.path.abspath(
os.path.join(pkg_path, '..', 'models', 'bwb', 'BWB_saero2.out'))
bdf_filename_out3 = os.path.abspath(
os.path.join(pkg_path, '..', 'models', 'bwb', 'BWB_saero3.out'))
model = bdf_renumber(bdf_filename, bdf_filename_out1, size=8,
is_double=False, starting_id_dict=None,
round_ids=False, cards_to_skip=None)
model = read_bdf(bdf_filename, log=log)
bdf_renumber(model, bdf_filename_out2, size=16, is_double=False,
starting_id_dict={
'eid' : 1000, 'pid':2000, 'mid':3000,
'spc_id' : 4000,},
round_ids=False, cards_to_skip=None)
bdf_renumber(bdf_filename, bdf_filename_out3, size=8,
is_double=False, starting_id_dict=None,
round_ids=True, cards_to_skip=None)
read_bdf(bdf_filename_out1, log=log)
read_bdf(bdf_filename_out2, log=log)
read_bdf(bdf_filename_out3, log=log)
def test_renumber_01(self):
"""renumber a bdf"""
log = SimpleLogger(level='warning')
bdf_filename = os.path.abspath(
os.path.join(pkg_path, '..', 'models', 'bwb', 'BWB_saero.bdf'))
bdf_filename_out1 = os.path.abspath(
os.path.join(pkg_path, '..', 'models', 'bwb', 'BWB_saero1.out'))
bdf_filename_out2 = os.path.abspath(
os.path.join(pkg_path, '..', 'models', 'bwb', 'BWB_saero2.out'))
bdf_filename_out3 = os.path.abspath(
os.path.join(pkg_path, '..', 'models', 'bwb', 'BWB_saero3.out'))
model = bdf_renumber(bdf_filename,
bdf_filename_out1,
size=8,
is_double=False,
starting_id_dict=None,
round_ids=False,
cards_to_skip=None)
model = read_bdf(bdf_filename, log=log)
bdf_renumber(model,
bdf_filename_out2,
size=16,
is_double=False,
starting_id_dict={
'eid': 1000,
'pid': 2000,
'mid': 3000,
'spc_id': 4000,
},
round_ids=False,
cards_to_skip=None)
bdf_renumber(bdf_filename,
bdf_filename_out3,
size=8,
is_double=False,
starting_id_dict=None,
round_ids=True,
cards_to_skip=None)
read_bdf(bdf_filename_out1, log=log)
read_bdf(bdf_filename_out2, log=log)
read_bdf(bdf_filename_out3, log=log)
def test_quad_180_01(self):
r"""
Identify a 180+ degree quad
y
^ 4
| / |
| / |
| / |
| / |
/ |
1------2 |----> x
\ |
\|
3
"""
msg = (
'CEND\n'
'BEGIN BULK\n'
'GRID,1,,0.,0.,0.\n'
'GRID,2,,1.,0.,0.\n'
'GRID,3,,2.,-1.,0.\n'
'GRID,4,,2., 1.,0.\n'
'CQUAD4,100,1, 1,2,3,4\n'
'PSHELL,1,1,0.1\n'
'MAT1,1,3.0,, 0.3\n'
'ENDDATA'
)
bdf_filename = 'cquad4.bdf'
with codec_open(bdf_filename, 'w') as bdf_file:
bdf_file.write(msg)
model = read_bdf(bdf_filename, xref=True)
eids_to_delete = get_bad_shells(model, max_theta=180.,
max_skew=1000., max_aspect_ratio=1000.)
assert eids_to_delete == [100], eids_to_delete
os.remove(bdf_filename)
def test_quad_180_01(self):
r"""
Identify a 180+ degree quad
y
^ 4
| / |
| / |
| / |
| / |
/ |
1------2 |----> x
\ |
\|
3
"""
msg = ('CEND\n'
'BEGIN BULK\n'
'GRID,1,,0.,0.,0.\n'
'GRID,2,,1.,0.,0.\n'
'GRID,3,,2.,-1.,0.\n'
'GRID,4,,2., 1.,0.\n'
'CQUAD4,100,1, 1,2,3,4\n'
'PSHELL,1,1,0.1\n'
'MAT1,1,3.0,, 0.3\n'
'ENDDATA')
bdf_filename = 'cquad4.bdf'
with codec_open(bdf_filename, 'w') as bdf_file:
bdf_file.write(msg)
model = read_bdf(bdf_filename, xref=True)
eids_to_delete = get_bad_shells(model,
max_theta=180.,
max_skew=1000.,
max_aspect_ratio=1000.)
assert eids_to_delete == [100], eids_to_delete
os.remove(bdf_filename)