import numpy as np
from numpy import zeros, searchsorted, ravel
from pyNastran.op2.tables.oes_stressStrain.real.oes_objects import (
StressObject, StrainObject, OES_Object)
from pyNastran.f06.f06_formatting import write_floats_13e, _eigenvalue_header
from pyNastran.utils.numpy_utils import integer_types
from pyNastran.op2.result_objects.op2_objects import get_times_dtype
#oxx = 0. # max from bending and axial
#txz = 1. # from transverse shear; txz=Vz/(Kz*A)
#txy = 1. # from transverse shear; txy=Vz/(Ky*A)
#t = 2. # from torsional stress; t=T*C/J
#ovm = (oxx**2 + 3 * (txy**2 + txz**2 + t**2))**0.5
[docs]
class RandomBarArray(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.ntimes = 0 # or frequency/mode
#self.ntotal = 0
self.ielement = 0
self.nelements = 0 # result specific
#if not is_sort1:
#raise NotImplementedError('SORT2')
#assert dt is not None
#self.add = self.add_sort2
#self.add_new_eid = self.add_new_eid_sort2
#self.addNewNode = self.addNewNodeSort2
@property
def is_real(self) -> bool:
return True
@property
def is_complex(self) -> bool:
return False
def _reset_indices(self) -> None:
self.itotal = 0
if self.table_name not in ['OESRMS2', 'OESNO2', 'OSTRRMS2', 'OSTRNO2']:
self.ielement = 0
def _get_msgs(self):
raise NotImplementedError('%s needs to implement _get_msgs' % self.__class__.__name__)
[docs]
def get_headers(self):
raise NotImplementedError('%s needs to implement get_headers' % self.__class__.__name__)
[docs]
def build(self):
"""sizes the vectorized attributes of the RealBarArray"""
#print("self.ielement =", self.ielement)
#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
# buggy MSC 2005 (was this ever fixed?)
# NX doesn't have this bug
#if self.table_name in ['OESRMS2', 'OESNO2', 'OSTRRMS2', 'OSTRNO2']:
#self.ntotal = self.nelements
#if self.element_type == 34:
#nnodes_per_element = 1
#else:
#raise NotImplementedError(self.element_type)
self.itime = 0
self.ielement = 0
self.itotal = 0
#self.ntimes = 0
#self.nelements = 0
#print("***name=%s type=%s nnodes_per_element=%s ntimes=%s nelements=%s ntotal=%s" % (
#self.element_name, self.element_type, nnodes_per_element, self.ntimes, self.nelements, self.ntotal))
dtype, idtype, fdtype = get_times_dtype(self.nonlinear_factor, self.size, self.analysis_fmt)
if self.is_sort1:
ntimes = self.ntimes
nelements = self.ntotal
else:
nelements = self.ntimes
ntimes = self.ntotal
#dtype = self._get_analysis_code_dtype()
self._times = zeros(ntimes, dtype=self.analysis_fmt)
self.element = zeros(nelements, dtype=idtype)
#[s1a, s2a, s3a, s4a, axial,
# s1b, s2b, s3b, s4b]
self.data = zeros((ntimes, nelements, 9), 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):
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:
self.data_frame = pd.Panel(self.data, major_axis=self.element, minor_axis=headers).to_frame()
self.data_frame.columns.names = ['Static']
self.data_frame.index.names = ['ElementID', 'Item']
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, :]
(axial_stress1, equiv_stress1, total_strain1, effective_plastic_creep_strain1, effective_creep_strain1, linear_torsional_stress1) = t1
(axial_stress2, equiv_stress2, total_strain2, effective_plastic_creep_strain2, effective_creep_strain2, linear_torsional_stress2) = t2
if not np.allclose(t1, t2):
#if not np.array_equal(t1, t2):
msg += '%s\n (%s, %s, %s, %s, %s, %s)\n (%s, %s, %s, %s, %s, %s)\n' % (
eid,
axial_stress1, equiv_stress1, total_strain1, effective_plastic_creep_strain1, effective_creep_strain1, linear_torsional_stress1,
axial_stress2, equiv_stress2, total_strain2, effective_plastic_creep_strain2, effective_creep_strain2, linear_torsional_stress2)
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,
s1a, s2a, s3a, s4a, axial,
s1b, s2b, s3b, s4b):
assert self.sort_method == 1, self
assert isinstance(eid, integer_types)
assert eid > 0, eid
self._times[self.itime] = dt
self.element[self.itotal] = eid
self.data[self.itime, self.itotal, :] = [s1a, s2a, s3a, s4a, axial,
s1b, s2b, s3b, s4b]
self.itotal += 1
self.ielement += 1
def add_sort2(self, dt, eid,
s1a, s2a, s3a, s4a, axial,
s1b, s2b, s3b, s4b):
assert self.is_sort2, self
itime, ielement = self._get_sort2_itime_ielement_from_itotal()
self._times[itime] = dt
self.element[ielement] = eid
self.data[itime, ielement, :] = [s1a, s2a, s3a, s4a, axial,
s1b, s2b, s3b, s4b]
self.itotal += 1
self.ielement += 1
#def add_sort1(self, dt, eid, nodeID, fd, oxx, oyy, txy, angle, majorP, minorP, ovm):
#assert eid is not None
#msg = "i=%s dt=%s eid=%s nodeID=%s fd=%g oxx=%g oyy=%g \ntxy=%g angle=%g major=%g minor=%g ovmShear=%g" % (
#self.itotal, dt, eid, nodeID, fd, oxx, oyy, txy, angle, majorP, minorP, ovm)
##print(msg)
#if isinstance(nodeID, str):
#nodeID = 0
##assert isinstance(nodeID, integer_types), nodeID
#self.element_node[self.itotal, :] = [eid, nodeID]
#self.data[self.itime, self.itotal, :] = [fd, oxx, oyy, txy, angle, majorP, minorP, ovm]
#self.itotal += 1
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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',
]
nelements = self.ntotal
ntimes = self.ntimes
unused_ntotal = self.ntotal
nelements = self.ntotal
msg = []
if self.nonlinear_factor not in (None, np.nan): # transient
msg.append(f' type={self.__class__.__name__} ntimes={ntimes:d} nelements={nelements}; table_name={self.table_name!r}\n')
ntimes_word = 'ntimes'
else:
msg.append(f' type={self.__class__.__name__} nelements={nelements}; table_name={self.table_name!r}\n')
ntimes_word = '1'
headers = self.get_headers()
n = len(headers)
assert n == self.data.shape[2], 'nheaders=%s shape=%s' % (n, str(self.data.shape))
msg.append(' data: [%s, ntotal, %i] where %i=[%s]\n' % (ntimes_word, n, n, str(', '.join(headers))))
msg.append(f' data.shape = {self.data.shape}\n')
msg.append(f' element.shape = {self.element.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 == eid) for eid in eids])
#ind = searchsorted(eids, self.element)
#ind = ind.reshape(ind.size)
#ind.sort()
return ind
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def write_f06(self, f06_file, header=None, page_stamp='PAGE %s',
page_num: int=1, is_mag_phase: bool=False, is_sort1: bool=True):
if header is None:
header = []
msg = self._get_msgs()
ntimes = self.data.shape[0]
eids = self.element
#print('CBAR ntimes=%s ntotal=%s' % (ntimes, ntotal))
for itime in range(ntimes):
dt = self._times[itime]
header = _eigenvalue_header(self, header, itime, ntimes, dt)
f06_file.write(''.join(header + msg))
s1a = self.data[itime, :, 0]
s2a = self.data[itime, :, 1]
s3a = self.data[itime, :, 2]
s4a = self.data[itime, :, 3]
axial = self.data[itime, :, 4]
s1b = self.data[itime, :, 5]
s2b = self.data[itime, :, 6]
s3b = self.data[itime, :, 7]
s4b = self.data[itime, :, 8]
for (eid, s1ai, s2ai, s3ai, s4ai, axiali, s1bi, s2bi, s3bi, s4bi) in zip(
eids, s1a, s2a, s3a, s4a, axial, s1b, s2b, s3b, s4b):
vals = [s1ai, s2ai, s3ai, s4ai, axiali,
s1bi, s2bi, s3bi, s4bi,]
vals2 = write_floats_13e(vals)
[s1ai, s2ai, s3ai, s4ai, axiali,
s1bi, s2bi, s3bi, s4bi,] = vals2
f06_file.write('\n %-13s ENDA %-13s %-13s %-13s %-13s %s\n'
'0 %-13s ENDB %-13s %-13s %-13s %s\n'
% (eid, s1ai, s2ai, s3ai, s4ai, axiali,
'', s1bi, s2bi, s3bi, s4bi))
#f06_file.write('0%8i %-13s %-13s %-13s %-13s %s\n'
#' %8s %-13s %-13s %-13s %s\n'
#% (eid, s1ai, s2ai, s3ai, s4ai, axiali,
#'', s1bi, s2bi, s3bi, s4bi))
f06_file.write(page_stamp % page_num)
page_num += 1
if self.nonlinear_factor in (None, np.nan):
page_num -= 1
return page_num
[docs]
class RandomBarStressArray(RandomBarArray, StressObject):
def __init__(self, data_code, is_sort1, isubcase, dt):
RandomBarArray.__init__(self, data_code, is_sort1, isubcase, dt)
StressObject.__init__(self, data_code, isubcase)
[docs]
def get_headers(self) -> list[str]:
headers = ['s1a', 's2a', 's3a', 's4a', 'axial',
's1b', 's2b', 's3b', 's4b']
return headers
def _get_msgs(self):
if self.element_type == 34:
pass
else:
raise NotImplementedError(self.element_type)
msg = [
' S T R E S S E S I N B A R E L E M E N T S ( C B A R )\n',
]
if self.table_name in ['OESATO1', 'OESATO2']:
msg += [' ( AUTO-CORRELATION FUNCTION )\n']
elif self.table_name in ['OESPSD1', 'OESPSD2']:
msg += [' ( POWER SPECTRAL DENSITY FUNCTION )\n']
elif self.table_name in ['OESRMS1', 'OESRMS2', 'OESXRMS1']:
msg += [' ( ROOT MEAN SQUARE )\n']
elif self.table_name in ['OESCRM1', 'OESCRM2']:
msg += [' ( CUMULATIVE ROOT MEAN SQUARE )\n']
elif self.table_name in ['OESNO1', 'OESNO2']:
msg += [' ( NUMBER OF ZERO CROSSINGS )\n']
else:
raise NotImplementedError(self.table_name)
msg += [
'\n ELEMENT SA1 SA2 SA3 SA4 AXIAL\n',
' ID. SB1 SB2 SB3 SB4 STRESS\n',
]
return msg
[docs]
class RandomBarStrainArray(RandomBarArray, StrainObject):
def __init__(self, data_code, is_sort1, isubcase, dt):
RandomBarArray.__init__(self, data_code, is_sort1, isubcase, dt)
StrainObject.__init__(self, data_code, isubcase)
[docs]
def get_headers(self) -> list[str]:
headers = ['e1a', 'e2a', 'e3a', 'e4a', 'axial',
'e1b', 'e2b', 'e3b', 'e4b',]
return headers
def _get_msgs(self):
if self.element_type == 34:
pass
else:
raise NotImplementedError(self.element_type)
msg = [
' S T R A I N S I N B A R E L E M E N T S ( C B A R )\n',
]
if self.table_name in ['OSTRATO1', 'OSTRATO2']:
msg += [' ( AUTO-CORRELATION FUNCTION )\n']
elif self.table_name in ['OSTRPSD1', 'OSTRPSD2']:
msg += [' ( POWER SPECTRAL DENSITY FUNCTION )\n']
elif self.table_name in ['OSTRRMS1', 'OSTRRMS2']:
msg += [' ( ROOT MEAN SQUARE )\n']
elif self.table_name in ['OSTRCRM1', 'OSTRCRM2']:
msg += [' ( CUMULATIVE ROOT MEAN SQUARE )\n']
elif self.table_name in ['OSTRNO1', 'OSTRNO2']:
msg += [' ( NUMBER OF ZERO CROSSINGS )\n']
else:
raise NotImplementedError(self.table_name)
msg += [
'\n ELEMENT SA1 SA2 SA3 SA4 AXIAL\n',
' ID. SB1 SB2 SB3 SB4 STRAIN\n',
]
return msg