import numpy as np
from numpy import zeros, searchsorted, allclose
from pyNastran.op2.tables.oes_stressStrain.real.oes_objects import (
StressObject, StrainObject, OES_Object)
from pyNastran.op2.result_objects.op2_objects import get_times_dtype
from pyNastran.f06.f06_formatting import write_floats_13e, _eigenvalue_header #, get_key0
[docs]
class RandomRodArray(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
@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 get_headers(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
if self.is_sort1:
ntimes = self.ntimes
nelements = self.ntotal
else:
nelements = self.ntimes
ntimes = self.ntotal
dtype = self._get_analysis_code_dtype()
#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(ntimes, nelements, dtype, idtype=idtype, fdtype=fdtype)
[docs]
def build_data(self, ntimes, nelements, dtype, idtype='int32', fdtype='float32'):
"""actually performs the build step"""
#self.ntimes = ntimes
#self.nelements = nelements
self._times = zeros(ntimes, dtype=self.analysis_fmt)
self.element = zeros(nelements, dtype=idtype)
#[axial, torsion]
self.data = zeros((ntimes, nelements, 2), dtype=fdtype)
[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):
#ElementID 1101 1102
#ElementID Item
#1102 axial 1.079339e+02 4.400043e-03
# torsion 2.439666e-04 0.000000e+00
# axial 3.145797e+01 1.282420e-03
# torsion 7.110654e-05 0.000000e+00
# axial 1.572898e+01 6.412102e-04
# torsion 3.555327e-05 0.000000e+00
# axial 3.495329e+00 1.424911e-04
# torsion 7.900725e-06 0.000000e+00
# axial 2.928574e-07 1.193838e-11
# torsion 6.618416e-13 0.000000e+00
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)
#column_names, column_values = self._build_dataframe_transient_header()
#self.data_frame = pd.Panel(self.data, items=column_values,
#major_axis=self.element, minor_axis=headers).to_frame()
#self.data_frame.columns.names = column_names
#self.data_frame.index.names = ['ElementID', 'Item']
else:
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) = t1
(axial2, torsion2) = t2
if not allclose(t1, t2):
#if not np.array_equal(t1, t2):
msg += '%s\n (%s, %s)\n (%s, %s)\n' % (
eid,
axial1, torsion1,
axial2, torsion2)
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, torsion):
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, torsion]
self.ielement += 1
def add_sort2(self, dt, eid, axial, torsion):
assert self.is_sort2, self
itime, ielement = self._get_sort2_itime_ielement_from_itotal()
#print(f'dt={dt} eid={eid}')
#print(self._times.shape)
self._times[itime] = dt
self.element[ielement] = eid
self.data[itime, ielement, :] = [axial, torsion]
self.ielement += 1
#print(self._times, type(self._times[0]), self.element)
[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; table_name=%r\n'
% (self.__class__.__name__, ntimes, nelements, self.table_name))
ntimes_word = 'ntimes'
else:
msg.append(' type=%s nelements=%i; table_name=%r\n'
% (self.__class__.__name__, nelements, self.table_name))
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_f06_header(self, is_mag_phase=True):
crod_msg, conrod_msg, ctube_msg = self._get_msgs()
if 'CROD' in self.element_name:
msg = crod_msg
elif 'CONROD' in self.element_name:
msg = conrod_msg
elif 'CTUBE' in self.element_name:
msg = ctube_msg
else:
raise NotImplementedError(self.element_name)
return self.element_name, msg
[docs]
def get_element_index(self, eids):
# elements are always sorted; nodes are not
itot = searchsorted(eids, self.element) #[0]
return itot
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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_f06(self, f06_file, 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 = []
(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, msg_temp):
print('update the RandomRodArray header')
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]
torsion = self.data[itime, :, 1]
out = []
for eid, axiali, torsioni in zip(eids, axial, torsion):
[axiali, torsioni] = write_floats_13e([axiali, torsioni])
out.append([eid, axiali, torsioni])
for i in range(0, nwrite, 2):
f06_file.write(
' %8i %-13s %-13s %-8i %-13s %-s\n' % (
tuple(out[i] + out[i + 1])))
if is_odd:
f06_file.write(' %8i %-13s %13s\n' % (tuple(out[-1])))
f06_file.write(page_stamp % page_num)
page_num += 1
return page_num - 1
[docs]
class RandomBushStressArray(RandomRodArray, StressObject):
def __init__(self, data_code, is_sort1, isubcase, dt):
RandomRodArray.__init__(self, data_code, is_sort1, isubcase, dt)
StressObject.__init__(self, data_code, isubcase)
[docs]
def get_headers(self) -> list[str]:
headers = ['axial', 'SMa', 'torsion', 'SMt']
return headers
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 RandomRodStressArray(RandomRodArray, StressObject):
def __init__(self, data_code, is_sort1, isubcase, dt):
RandomRodArray.__init__(self, data_code, is_sort1, isubcase, dt)
StressObject.__init__(self, data_code, isubcase)
[docs]
def get_headers(self) -> list[str]:
headers = ['axial', 'torsion']
return headers
def _get_msgs(self):
base_msg = [' ELEMENT AXIAL TORSIONAL SAFETY ELEMENT AXIAL TORSIONAL SAFETY\n',
' ID. STRESS STRESS MARGIN ID. STRESS 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 RandomRodStrainArray(RandomRodArray, StrainObject):
def __init__(self, data_code, is_sort1, isubcase, dt):
RandomRodArray.__init__(self, data_code, is_sort1, isubcase, dt)
StrainObject.__init__(self, data_code, isubcase)
[docs]
def get_headers(self) -> list[str]:
headers = ['axial', 'torsion']
return headers
def _get_msgs(self):
# TODO: update this...
#
# 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 )
# ( ROOT MEAN SQUARE )
#
# ELEMENT AXIAL TORSIONAL ELEMENT AXIAL TORSIONAL
# ID. STRESS STRESS ID. STRESS STRESS
# 3306 1.038912E+01 7.809715E-02 3307 6.633282E-02 0.0
base_msg = [' ELEMENT AXIAL TORSIONAL SAFETY ELEMENT AXIAL TORSIONAL SAFETY\n',
' ID. STRAIN STRAIN MARGIN ID. STRAIN 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