from typing import TextIO
import numpy as np
from numpy import zeros, searchsorted, allclose
from pyNastran.op2.result_objects.op2_objects import get_times_dtype
from pyNastran.op2.tables.oes_stressStrain.real.oes_objects import (
StressObject, StrainObject, OES_Object, oes_real_data_code,
set_element_case, set_static_case, set_modal_case,
set_transient_case, set_post_buckling_case)
from pyNastran.op2.op2_interface.write_utils import view_dtype, view_idtype_as_fdtype
from pyNastran.f06.f06_formatting import (
write_floats_13e, write_floats_13e_long,
_eigenvalue_header) #, get_key0
ELEMENT_NAME_TO_ELEMENT_TYPE = {
'CROD' : 1,
'CTUBE' : 3,
'CONROD' : 10,
}
# there is a bug for mode_solid_shell_bar.op2 for multiple times
[docs]
class RealRodArray(OES_Object):
def __init__(self, data_code, is_sort1, isubcase, dt):
OES_Object.__init__(self, data_code, isubcase, apply_data_code=False)
#self.code = [self.format_code, self.sort_code, self.s_code]
self.nelements = 0 # result specific
self.itime = 0
self.itotal = 0
self.ielement = 0
self.element = None
@classmethod
def _add_case(cls,
table_name, element_name, isubcase,
is_sort1, is_random, is_msc,
random_code, title, subtitle, label):
num_wide = 3
is_strain = 'Strain' in cls.__name__
data_code = oes_real_data_code(table_name,
element_name, num_wide,
is_sort1=is_sort1, is_random=is_random,
random_code=random_code,
title=title, subtitle=subtitle, label=label,
is_msc=is_msc)
# I'm only sure about the 1s in the strains and the
# corresponding 0s in the stresses.
#stress / strain -> 1, 3
if is_strain:
stress_bits = [0, 1, 0, 1]
s_code = 1
else:
stress_bits = [0, 0, 0, 0]
s_code = 0
assert stress_bits[1] == 0, 'stress_bits=%s' % (stress_bits)
# stress
assert stress_bits[1] == stress_bits[3], 'stress_bits=%s' % (stress_bits)
data_code['stress_bits'] = stress_bits
data_code['s_code'] = s_code
element_type = ELEMENT_NAME_TO_ELEMENT_TYPE[element_name]
data_code['element_name'] = element_name
data_code['element_type'] = element_type
return data_code
[docs]
@classmethod
def add_static_case(cls, table_name, element_name, element, data, isubcase,
is_sort1=True, is_random=False, is_msc=True,
random_code=0, title='', subtitle='', label=''):
data_code = cls._add_case(
table_name, element_name,
isubcase, is_sort1, is_random, is_msc,
random_code, title, subtitle, label)
obj = set_static_case(cls, is_sort1, isubcase, data_code,
set_element_case, (element, data))
return obj
[docs]
@classmethod
def add_modal_case(cls, table_name, element_name: str, element, data, isubcase,
modes, eigns, cycles,
is_sort1=True, is_random=False, is_msc=True,
random_code=0, title='', subtitle='', label=''):
data_code = cls._add_case(
table_name, element_name,
isubcase, is_sort1, is_random, is_msc,
random_code, title, subtitle, label)
obj = set_modal_case(cls, is_sort1, isubcase, data_code,
set_element_case, (element, data),
modes, eigns, cycles)
return obj
[docs]
@classmethod
def add_transient_case(cls, table_name, element_name, element, data, isubcase,
times,
is_sort1=True, is_random=False, is_msc=True,
random_code=0, title='', subtitle='', label=''):
data_code = cls._add_case(
table_name, element_name,
isubcase, is_sort1, is_random, is_msc,
random_code, title, subtitle, label)
obj = set_transient_case(cls, is_sort1, isubcase, data_code,
set_element_case, (element, data),
times)
return obj
[docs]
@classmethod
def add_post_buckling_case(cls, table_name, element_name, element, data, isubcase,
modes, eigrs, eigis,
is_sort1=True, is_random=False, is_msc=True,
random_code=0, title='', subtitle='', label=''):
data_code = cls._add_case(
table_name, element_name,
isubcase, is_sort1, is_random, is_msc,
random_code, title, subtitle, label)
obj = set_post_buckling_case(cls, is_sort1, isubcase, data_code,
set_element_case, (element, data),
modes, eigrs, eigis)
return obj
@property
def is_real(self) -> bool:
return True
@property
def is_complex(self) -> bool:
return False
@property
def nnodes_per_element(self) -> int:
return 1
def _reset_indices(self) -> None:
self.itotal = 0
self.ielement = 0
def _get_msgs(self):
raise NotImplementedError()
[docs]
def build(self):
"""sizes the vectorized attributes of the RealRodArray"""
#print('ntimes=%s nelements=%s ntotal=%s' % (self.ntimes, self.nelements, self.ntotal))
assert self.ntimes > 0, 'ntimes=%s' % self.ntimes
assert self.nelements > 0, 'nelements=%s' % self.nelements
assert self.ntotal > 0, 'ntotal=%s' % self.ntotal
#self.names = []
self.nelements //= self.ntimes
self.itime = 0
self.ielement = 0
self.itotal = 0
#self.ntimes = 0
#self.nelements = 0
#print("ntimes=%s nelements=%s ntotal=%s" % (self.ntimes, self.nelements, self.ntotal))
dtype, idtype, fdtype = get_times_dtype(self.nonlinear_factor, self.size, self.analysis_fmt)
self.build_data(self.ntimes, self.nelements, dtype, idtype, fdtype)
[docs]
def build_data(self, ntimes, nelements, dtype, idtype, fdtype):
"""actually performs the build step"""
self.ntimes = ntimes
self.nelements = nelements
_times = zeros(ntimes, dtype=self.analysis_fmt)
element = zeros(nelements, dtype=idtype)
#[axial, torsion, SMa, SMt]
data = zeros((ntimes, nelements, 4), dtype=fdtype)
if self.load_as_h5:
#for key, value in sorted(self.data_code.items()):
#print(key, value)
group = self._get_result_group()
self._times = group.create_dataset('_times', data=_times)
self.element = group.create_dataset('element', data=element)
self.data = group.create_dataset('data', data=data)
else:
self._times = _times
self.element = element
self.data = data
[docs]
def build_dataframe(self):
"""creates a pandas dataframe"""
import pandas as pd
headers = self.get_headers()
if self.nonlinear_factor not in (None, np.nan):
column_names, column_values = self._build_dataframe_transient_header()
data_frame = self._build_pandas_transient_elements(
column_values, column_names,
headers, self.element, self.data)
else:
#Static axial SMa torsion SMt
#ElementID
#14 0.0 1.401298e-45 0.0 1.401298e-45
#15 0.0 1.401298e-45 0.0 1.401298e-45
data_frame = pd.DataFrame(self.data[0], columns=headers, index=self.element)
data_frame.index.name = 'ElementID'
data_frame.columns.names = ['Static']
#Static 0
#ElementID Item
#14 axial 0.000000e+00
# SMa 1.401298e-45
# torsion 0.000000e+00
# SMt 1.401298e-45
#15 axial 0.000000e+00
# SMa 1.401298e-45
# torsion 0.000000e+00
# SMt 1.401298e-45
#data_frame = pd.Panel(self.data, major_axis=self.element, minor_axis=headers).to_frame()
#data_frame.columns.names = ['Static']
#data_frame.index.names = ['ElementID', 'Item']
self.data_frame = data_frame
def __eq__(self, table): # pragma: no cover
assert self.is_sort1 == table.is_sort1
self._eq_header(table)
if not np.array_equal(self.data, table.data):
msg = 'table_name=%r class_name=%s\n' % (self.table_name, self.__class__.__name__)
msg += '%s\n' % str(self.code_information())
ntimes = self.data.shape[0]
i = 0
if self.is_sort1:
for itime in range(ntimes):
for ieid, eid in enumerate(self.element):
t1 = self.data[itime, ieid, :]
t2 = table.data[itime, ieid, :]
(axial1, torsion1, sma1, smt1) = t1
(axial2, torsion2, sma2, smt2) = t2
if not allclose(t1, t2):
#if not np.array_equal(t1, t2):
msg += '%s\n (%s, %s, %s, %s)\n (%s, %s, %s, %s)\n' % (
eid,
axial1, torsion1, sma1, smt1,
axial2, torsion2, sma2, smt2)
i += 1
if i > 10:
print(msg)
raise ValueError(msg)
else:
raise NotImplementedError(self.is_sort2)
if i > 0:
print(msg)
raise ValueError(msg)
return True
def add_sort1(self, dt, eid, axial, SMa, torsion, SMt):
assert self.sort_method == 1, self
self._times[self.itime] = dt
#if self.itime == 0:
#print('itime=%s eid=%s' % (self.itime, eid))
self.element[self.ielement] = eid
self.data[self.itime, self.ielement, :] = [axial, SMa, torsion, SMt]
self.ielement += 1
[docs]
def get_stats(self, short: bool=False) -> list[str]:
if not self.is_built:
return [
f'<{self.__class__.__name__}>; table_name={self.table_name!r}\n',
f' ntimes: {self.ntimes:d}\n',
f' ntotal: {self.ntotal:d}\n',
]
ntimes, nelements, _ = self.data.shape
assert self.ntimes == ntimes, 'ntimes=%s expected=%s' % (self.ntimes, ntimes)
assert self.nelements == nelements, 'nelements=%s expected=%s' % (self.nelements, nelements)
msg = []
if self.nonlinear_factor not in (None, np.nan): # transient
msg.append(' type=%s ntimes=%i nelements=%i\n'
% (self.__class__.__name__, ntimes, nelements))
ntimes_word = 'ntimes'
else:
msg.append(' type=%s nelements=%i\n'
% (self.__class__.__name__, nelements))
ntimes_word = '1'
msg.append(' eType\n')
headers = self.get_headers()
n = len(headers)
msg.append(' data: [%s, nelements, %i] where %i=[%s]\n' % (ntimes_word, n, n, str(', '.join(headers))))
msg.append(f' element.shape = {self.element.shape}\n')
msg.append(f' data.shape = {self.data.shape}\n')
msg.append(f' element type: {self.element_name}-{self.element_type}\n')
msg += self.get_data_code()
return msg
[docs]
def get_element_index(self, eids):
# elements are always sorted; nodes are not
itot = searchsorted(eids, self.element) #[0]
return itot
[docs]
def eid_to_element_node_index(self, eids):
#ind = ravel([searchsorted(self.element_node[:, 0] == eid) for eid in eids])
ind = searchsorted(eids, self.element)
#ind = ind.reshape(ind.size)
#ind.sort()
return ind
[docs]
def write_csv(self, csv_file: TextIO,
is_exponent_format: bool=False,
is_mag_phase: bool=False, is_sort1: bool=True,
write_header: bool=True):
"""
Stress Table - CROD/CONROD/CTUBE
--------------------------------
Flag, SubcaseID, iTime, EID, BLANK, BLANK, Sxx, Syy, Szz, Sxy, Syz, Szx
10, 1, 0, 312, 0, 0, 1642.503, 0, 0, 167.541, 0, 0
10, 1, 0, 313, 0, 0, 3937.541, 0, 0, 66.171, 0, 0
"""
name = str(self.__class__.__name__)
if write_header:
csv_file.write('# %s\n' % name)
headers = ['Flag', 'SubcaseID', 'iTime', 'Eid', 'BLANK', 'BLANK', 'Sxx', 'Syy', 'Szz', 'Sxy', 'Syz', 'Sxz']
csv_file.write('# ' + ','.join(headers) + '\n')
# stress vs. strain
flag = 10 if 'Stress' in name else 11
isubcase = self.isubcase
#times = self._times
# write the f06
ntimes = self.data.shape[0]
eids = self.element
eid_len = '%d' % len(str(eids.max()))
zero = ' 0.000000E+00'
for itime in range(ntimes):
dt = self._times[itime]
#header = _eigenvalue_header(self, header, itime, ntimes, dt)
#print("self.data.shape=%s itime=%s ieids=%s" % (str(self.data.shape), itime, str(ieids)))
axial = self.data[itime, :, 0]
torsion = self.data[itime, :, 2]
for eid, axiali, torsioni in zip(eids, axial, torsion):
if is_exponent_format:
[axiali, torsioni] = write_floats_13e_long([axiali, torsioni])
csv_file.write(f'{flag}, {isubcase}, {itime}, {eid:{eid_len}d}, 0, 0, '
f'{axiali}, {zero}, {zero}, {torsioni}, {zero}, {zero}\n')
return
[docs]
def write_f06(self, f06_file: TextIO, header=None, page_stamp: str='PAGE %s',
page_num: int=1, is_mag_phase: bool=False, is_sort1: bool=True):
if header is None:
header = []
(unused_elem_name, msg_temp) = self.get_f06_header(is_mag_phase)
if self.is_sort1:
page_num = self._write_sort1_as_sort1(header, page_stamp, page_num, f06_file, msg_temp)
return page_num
def _write_sort1_as_sort1(self, header, page_stamp, page_num, f06_file: TextIO, msg_temp):
ntimes = self.data.shape[0]
eids = self.element
is_odd = False
nwrite = len(eids)
if len(eids) % 2 == 1:
nwrite -= 1
is_odd = True
for itime in range(ntimes):
dt = self._times[itime]
header = _eigenvalue_header(self, header, itime, ntimes, dt)
f06_file.write(''.join(header + msg_temp))
#print("self.data.shape=%s itime=%s ieids=%s" % (str(self.data.shape), itime, str(ieids)))
axial = self.data[itime, :, 0]
SMa = self.data[itime, :, 1]
torsion = self.data[itime, :, 2]
SMt = self.data[itime, :, 3]
out = []
for eid, axiali, SMai, torsioni, SMti in zip(eids, axial, SMa, torsion, SMt):
[axiali, torsioni, SMai, SMti] = write_floats_13e([axiali, torsioni, SMai, SMti])
out.append([eid, axiali, SMai, torsioni, SMti])
for i in range(0, nwrite, 2):
f06_file.write(
' %8i %-13s %-13s %-13s %-13s %-8i %-13s %-13s %-13s %-s\n' % (
tuple(out[i] + out[i + 1])))
if is_odd:
f06_file.write(' %8i %-13s %-13s %-13s %13s\n' % (tuple(out[-1])))
f06_file.write(page_stamp % page_num)
page_num += 1
return page_num - 1
[docs]
def write_op2(self, op2_file, op2_ascii, itable, new_result, date,
is_mag_phase=False, endian='>'):
"""writes an OP2"""
import inspect
from struct import pack # Struct,
frame = inspect.currentframe()
call_frame = inspect.getouterframes(frame, 2)
op2_ascii.write(f'{self.__class__.__name__}.write_op2: {call_frame[1][3]}\n')
if itable == -1:
self._write_table_header(op2_file, op2_ascii, date)
itable = -3
#if isinstance(self.nonlinear_factor, float):
#op2_format = '%sif' % (7 * self.ntimes)
#raise NotImplementedError()
#else:
#op2_format = 'i21f'
#s = Struct(op2_format)
unused_eids = self.element
# table 4 info
#ntimes = self.data.shape[0]
#nnodes = self.data.shape[1]
nelements = self.data.shape[1]
# 21 = 1 node, 3 principal, 6 components, 9 vectors, 2 p/ovm
#ntotal = ((nnodes * 21) + 1) + (nelements * 4)
ntotali = self.num_wide
ntotal = ntotali * nelements
#print('shape = %s' % str(self.data.shape))
#assert self.ntimes == 1, self.ntimes
op2_ascii.write(f' ntimes = {self.ntimes}\n')
eids_device = self.element * 10 + self.device_code
#fmt = '%2i %6f'
#print('ntotal=%s' % (ntotal))
#assert ntotal == 193, ntotal
if not self.is_sort1:
raise NotImplementedError('SORT2')
#struct1 = Struct(endian + b'i4f')
fdtype = self.data.dtype
if self.size == fdtype.itemsize:
pass
else:
print(f'downcasting {self.class_name}...')
#idtype = np.int32(1)
fdtype = np.float32(1.0)
# [eid, axial, SMa, torsion, SMt]
data_out = np.empty((nelements, 5), dtype=fdtype)
data_out[:, 0] = view_idtype_as_fdtype(eids_device, fdtype)
op2_ascii.write(f'nelements={nelements:d}\n')
for itime in range(self.ntimes):
#print('3, %s' % itable)
self._write_table_3(op2_file, op2_ascii, new_result, itable, itime)
# record 4
#print('stress itable = %s' % itable)
itable -= 1
#print('4, %s' % itable)
header = [4, itable, 4,
4, 1, 4,
4, 0, 4,
4, ntotal, 4,
4 * ntotal]
op2_file.write(pack('%ii' % len(header), *header))
op2_ascii.write('r4 [4, 0, 4]\n')
op2_ascii.write(f'r4 [4, {itable:d}, 4]\n')
op2_ascii.write(f'r4 [4, {4 * ntotal:d}, 4]\n')
# [eid, axial, SMa, torsion, SMt]
data_out[:, 1:] = self.data[itime, :, :]
op2_file.write(data_out)
itable -= 1
header = [4 * ntotal,]
op2_file.write(pack('i', *header))
op2_ascii.write('footer = %s\n' % header)
new_result = False
return itable
[docs]
class RealBushStressArray(RealRodArray, StressObject):
def __init__(self, data_code, is_sort1, isubcase, dt):
RealRodArray.__init__(self, data_code, is_sort1, isubcase, dt)
StressObject.__init__(self, data_code, isubcase)
def _get_msgs(self):
raise NotImplementedError()
#base_msg = [' ELEMENT AXIAL SAFETY TORSIONAL SAFETY ELEMENT AXIAL SAFETY TORSIONAL SAFETY\n',
#' ID. STRESS MARGIN STRESS MARGIN ID. STRESS MARGIN STRESS MARGIN\n']
#crod_msg = [' S T R E S S E S I N R O D E L E M E N T S ( C R O D )\n', ]
#conrod_msg = [' S T R E S S E S I N R O D E L E M E N T S ( C O N R O D )\n', ]
#ctube_msg = [' S T R E S S E S I N R O D E L E M E N T S ( C T U B E )\n', ]
##cbush_msg = [' S T R E S S E S I N R O D E L E M E N T S ( C B U S H )\n', ]
#crod_msg += base_msg
#conrod_msg += base_msg
#ctube_msg += base_msg
##cbush_msg += base_msg
#return crod_msg, conrod_msg, ctube_msg
[docs]
class RealRodStressArray(RealRodArray, StressObject):
def __init__(self, data_code, is_sort1, isubcase, dt):
RealRodArray.__init__(self, data_code, is_sort1, isubcase, dt)
StressObject.__init__(self, data_code, isubcase)
def _get_msgs(self):
base_msg = [' ELEMENT AXIAL SAFETY TORSIONAL SAFETY ELEMENT AXIAL SAFETY TORSIONAL SAFETY\n',
' ID. STRESS MARGIN STRESS MARGIN ID. STRESS MARGIN STRESS MARGIN\n']
crod_msg = [' S T R E S S E S I N R O D E L E M E N T S ( C R O D )\n', ]
conrod_msg = [' S T R E S S E S I N R O D E L E M E N T S ( C O N R O D )\n', ]
ctube_msg = [' S T R E S S E S I N R O D E L E M E N T S ( C T U B E )\n', ]
crod_msg += base_msg
conrod_msg += base_msg
ctube_msg += base_msg
return crod_msg, conrod_msg, ctube_msg
[docs]
class RealRodStrainArray(RealRodArray, StrainObject):
def __init__(self, data_code, is_sort1, isubcase, dt):
RealRodArray.__init__(self, data_code, is_sort1, isubcase, dt)
StrainObject.__init__(self, data_code, isubcase)
def _get_msgs(self):
base_msg = [' ELEMENT AXIAL SAFETY TORSIONAL SAFETY ELEMENT AXIAL SAFETY TORSIONAL SAFETY\n',
' ID. STRAIN MARGIN STRAIN MARGIN ID. STRAIN MARGIN STRAIN MARGIN\n']
crod_msg = [' S T R A I N S I N R O D E L E M E N T S ( C R O D )\n', ]
conrod_msg = [' S T R A I N S I N R O D E L E M E N T S ( C O N R O D )\n', ]
ctube_msg = [' S T R A I N S I N R O D E L E M E N T S ( C T U B E )\n', ]
crod_msg += base_msg
conrod_msg += base_msg
ctube_msg += base_msg
return crod_msg, conrod_msg, ctube_msg