import numpy as np
from numpy import zeros
from pyNastran.utils.numpy_utils import integer_types
from pyNastran.op2.result_objects.op2_objects import get_times_dtype
from pyNastran.op2.tables.oes_stressStrain.real.oes_objects import OES_Object
from pyNastran.f06.f06_formatting import write_floats_13e, _eigenvalue_header
[docs]
class RealNonlinearRodArray(OES_Object): # 89-CRODNL, 92-CONRODNL
"""
::
ELEMENT-ID = 102
N O N L I N E A R 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 )
TIME AXIAL STRESS EQUIVALENT TOTAL STRAIN EFF. STRAIN EFF. CREEP LIN. TORSIONAL
STRESS PLASTIC/NLELAST STRAIN STRESS
2.000E-02 1.941367E+01 1.941367E+01 1.941367E-04 0.0 0.0 0.0
3.000E-02 1.941367E+01 1.941367E+01 1.941367E-04 0.0 0.0 0.0
"""
def __init__(self, data_code, is_sort1, isubcase, dt):
"""tested by elements/loadstep_elements.op2"""
OES_Object.__init__(self, data_code, isubcase, apply_data_code=True)
#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 build(self):
"""sizes the vectorized attributes of the RealNonlinearRodArray"""
#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._times = zeros(self.ntimes, dtype=self.analysis_fmt)
self.element = zeros(self.nelements, dtype=idtype)
#[axial_stress, equiv_stress, total_strain, effective_plastic_creep_strain,
# effective_creep_strain, linear_torsional_stress]
self.data = zeros((self.ntimes, self.nelements, 6), 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):
#Time 0.02 0.04
#ElementID Item
#102 axial_stress 19.413668 76.139496
# equiv_stress 19.413668 76.139496
# total_strain 0.000194 0.000761
# effective_plastic_creep_strain 0.000000 0.000000
# effective_creep_strain 0.000000 0.000000
# linear_torsional_stress 0.000000 0.000000
column_names, column_values = self._build_dataframe_transient_header()
self.data_frame = self._build_pandas_transient_elements(
column_values, column_names,
headers, self.element, self.data)
else:
df1 = pd.DataFrame(self.element).T
df1.columns = ['ElementID']
df2 = pd.DataFrame(self.data[0])
df2.columns = headers
self.data_frame = df1.join([df2])
#print(self.data_frame)
def __eq__(self, table): # pragma: no cover
self._eq_header(table)
assert self.is_sort1 == table.is_sort1
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, axial_stress, equiv_stress, total_strain,
effective_plastic_creep_strain, effective_creep_strain, linear_torsional_stress):
"""unvectorized method for adding SORT1 transient data"""
assert self.sort_method == 1, self
assert isinstance(eid, integer_types) and eid > 0, 'dt=%s eid=%s' % (dt, eid)
self._times[self.itime] = dt
self.element[self.ielement] = eid
self.data[self.itime, self.ielement, :] = [
axial_stress, equiv_stress, total_strain, effective_plastic_creep_strain,
effective_creep_strain, linear_torsional_stress
]
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' 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 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 = []
if is_sort1:
msg = [
' N O N L I N E A R 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',
' \n',
' ELEMENT-ID AXIAL STRESS EQUIVALENT TOTAL STRAIN EFF. STRAIN EFF. CREEP LIN. TORSIONAL\n',
' STRESS PLASTIC/NLELAST STRAIN STRESS\n'
]
else:
msg = [
' N O N L I N E A R 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',
' \n',
' TIME AXIAL STRESS EQUIVALENT TOTAL STRAIN EFF. STRAIN EFF. CREEP LIN. TORSIONAL\n',
' STRESS PLASTIC/NLELAST STRAIN STRESS\n'
]
if self.is_sort1:
page_num = self._write_sort1_as_sort1(header, page_stamp, page_num, f06_file, msg)
else:
raise NotImplementedError('RealNonlinearRodArray')
return page_num
def _write_sort1_as_sort1(self, header, page_stamp, page_num, f06_file, msg_temp):
ntimes = self.data.shape[0]
eids = self.element
#is_odd = False
#nwrite = len(eids)
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]
eqs = self.data[itime, :, 1]
total = self.data[itime, :, 2]
epcs = self.data[itime, :, 3]
ecs = self.data[itime, :, 4]
lts = self.data[itime, :, 5]
#print "dt=%s axials=%s eqs=%s ts=%s epcs=%s ecs=%s lts=%s" %(dt,axial,eqs,ts,epcs,ecs,lts)
#msgE[eid] = ' ELEMENT-ID = %8i\n' % (eid)
#if eid not in msgT:
#msgT[eid] = []
#msgT[eid].append(' %9.3E %13.6E %13.6E %13.6E %13.6E %13.6E %13.6E\n' % (dt, axial, eqs, ts, epcs, ecs, lts))
for eid, axiali, eqsi, totali, epcsi, ecsi, ltsi in zip(eids, axial, eqs, total, epcs, ecs, lts):
([saxial, seqs, stotal, sepcs, secs, slts]) = write_floats_13e(
[axiali, eqsi, totali, epcsi, ecsi, ltsi])
f06_file.write(
' %8i %-13s %-13s %-13s %-13s %-13s %s\n' % (
eid, saxial, seqs, stotal, sepcs, secs, slts))
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 Struct, pack
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)
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
device_code = self.device_code
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 self.is_sort1:
struct1 = Struct(endian + b'i6f')
else:
raise NotImplementedError('SORT2')
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')
axial = self.data[itime, :, 0]
eqs = self.data[itime, :, 1]
total = self.data[itime, :, 2]
epcs = self.data[itime, :, 3]
ecs = self.data[itime, :, 4]
lts = self.data[itime, :, 5]
for eid, axiali, eqsi, totali, epcsi, ecsi, ltsi in zip(eids_device, axial, eqs, total, epcs, ecs, lts):
data = [eid, axiali, eqsi, totali, epcsi, ecsi, ltsi]
op2_ascii.write(' eid=%s data=%s\n' % (eids_device, str(data)))
op2_file.write(struct1.pack(*data))
itable -= 1
header = [4 * ntotal,]
op2_file.write(pack('i', *header))
op2_ascii.write('footer = %s\n' % header)
new_result = False
return itable