from __future__ import (nested_scopes, generators, division, absolute_import,
print_function, unicode_literals)
import numpy as np
from numpy import zeros, searchsorted, ravel
from pyNastran.utils.numpy_utils import integer_types
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
#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 RealBarArray(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):
return True
@property
def is_complex(self):
return False
def _reset_indices(self):
self.itotal = 0
self.ielement = 0
def _get_msgs(self):
raise NotImplementedError('%s needs to implement _get_msgs' % 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
#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
self.is_built = True
#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 = 'float32'
if isinstance(self.nonlinear_factor, integer_types):
dtype = 'int32'
_times = zeros(self.ntimes, dtype=dtype)
element = zeros(self.ntotal, dtype='int32')
#[s1a, s2a, s3a, s4a, axial, smaxa, smina, MS_tension,
# s1b, s2b, s3b, s4b, sminb, sminb, MS_compression]
data = zeros((self.ntimes, self.ntotal, 15), dtype='float32')
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()
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):
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
[docs] def add_new_eid_sort1(self, dt, eid,
s1a, s2a, s3a, s4a, axial, smaxa, smina, MSt,
s1b, s2b, s3b, s4b, smaxb, sminb, MSc):
assert isinstance(eid, integer_types)
self._times[self.itime] = dt
self.element[self.itotal] = eid
self.data[self.itime, self.itotal, :] = [s1a, s2a, s3a, s4a, axial, smaxa, smina, MSt,
s1b, s2b, s3b, s4b, smaxb, sminb, MSc]
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, string_types):
#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
[docs] def get_stats(self, short=False):
if not self.is_built:
return [
'<%s>\n' % self.__class__.__name__,
' ntimes: %i\n' % self.ntimes,
' ntotal: %i\n' % self.ntotal,
]
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(' 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'
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(' data.shape = %s\n' % str(self.data.shape).replace('L', ''))
msg.append(' element.shape = %s\n' % str(self.element.shape).replace('L', ''))
msg.append(' element type: %s\n' % self.element_name)
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
[docs] def write_f06(self, f06_file, header=None, page_stamp='PAGE %s',
page_num=1, is_mag_phase=False, is_sort1=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]
smaxa = self.data[itime, :, 5]
smina = self.data[itime, :, 6]
MSt = self.data[itime, :, 7]
s1b = self.data[itime, :, 8]
s2b = self.data[itime, :, 9]
s3b = self.data[itime, :, 10]
s4b = self.data[itime, :, 11]
smaxb = self.data[itime, :, 12]
sminb = self.data[itime, :, 13]
MSc = self.data[itime, :, 14]
for (eid, s1ai, s2ai, s3ai, s4ai, axiali, smaxai, sminai, MSti,
s1bi, s2bi, s3bi, s4bi, smaxbi, sminbi, MSci) in zip(
eids, s1a, s2a, s3a, s4a, axial, smaxa, smina, MSt,
s1b, s2b, s3b, s4b, smaxb, sminb, MSc):
vals = [s1ai, s2ai, s3ai, s4ai, axiali, smaxai, sminai, MSti,
s1bi, s2bi, s3bi, s4bi, smaxbi, sminbi, MSci]
vals2 = write_floats_13e(vals)
[s1ai, s2ai, s3ai, s4ai, axiali, smaxai, sminai, MSti,
s1bi, s2bi, s3bi, s4bi, smaxbi, sminbi, MSci] = vals2
f06_file.write('0%8i %-13s %-13s %-13s %-13s %-13s %-13s %-13s %s\n'
' %8s %-13s %-13s %-13s %-13s %-13s %-13s %-13s %s\n'
% (eid, s1ai, s2ai, s3ai, s4ai, axiali, smaxai, sminai, MSti,
'', s1bi, s2bi, s3bi, s4bi, '', smaxbi, sminbi, MSci))
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] def write_op2(self, op2, 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('%s.write_op2: %s\n' % (self.__class__.__name__, call_frame[1][3]))
if itable == -1:
self._write_table_header(op2, 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
eids_device = eids * 10 + self.device_code
# 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(' ntimes = %s\n' % self.ntimes)
#fmt = '%2i %6f'
#print('ntotal=%s' % (ntotal))
#assert ntotal == 193, ntotal
if self.is_sort1:
struct1 = Struct(endian + b'i 15f')
else:
raise NotImplementedError('SORT2')
op2_ascii.write('nelements=%i\n' % nelements)
for itime in range(self.ntimes):
self._write_table_3(op2, op2_ascii, new_result, itable, itime)
# record 4
#print('stress itable = %s' % itable)
itable -= 1
header = [4, itable, 4,
4, 1, 4,
4, 0, 4,
4, ntotal, 4,
4 * ntotal]
op2.write(pack('%ii' % len(header), *header))
op2_ascii.write('r4 [4, 0, 4]\n')
op2_ascii.write('r4 [4, %s, 4]\n' % (itable))
op2_ascii.write('r4 [4, %i, 4]\n' % (4 * ntotal))
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]
smaxa = self.data[itime, :, 5]
smina = self.data[itime, :, 6]
MSt = self.data[itime, :, 7]
s1b = self.data[itime, :, 8]
s2b = self.data[itime, :, 9]
s3b = self.data[itime, :, 10]
s4b = self.data[itime, :, 11]
smaxb = self.data[itime, :, 12]
sminb = self.data[itime, :, 13]
MSc = self.data[itime, :, 14]
for (eid_device,
s1ai, s2ai, s3ai, s4ai, axiali, smaxai, sminai, MSti,
s1bi, s2bi, s3bi, s4bi, smaxbi, sminbi, MSci) in zip(
eids_device,
s1a, s2a, s3a, s4a, axial, smaxa, smina, MSt,
s1b, s2b, s3b, s4b, smaxb, sminb, MSc):
data = [eid_device,
s1ai, s2ai, s3ai, s4ai, axiali, smaxai, sminai, MSti,
s1bi, s2bi, s3bi, s4bi, smaxbi, sminbi, MSci]
op2_ascii.write(' eid_device=%s data=%s\n' % (eid_device, str(data)))
op2.write(struct1.pack(*data))
itable -= 1
header = [4 * ntotal,]
op2.write(pack('i', *header))
op2_ascii.write('footer = %s\n' % header)
new_result = False
return itable
[docs]class RealBarStressArray(RealBarArray, StressObject):
def __init__(self, data_code, is_sort1, isubcase, dt):
RealBarArray.__init__(self, data_code, is_sort1, isubcase, dt)
StressObject.__init__(self, data_code, isubcase)
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',
' ELEMENT SA1 SA2 SA3 SA4 AXIAL SA-MAX SA-MIN M.S.-T\n',
' ID. SB1 SB2 SB3 SB4 STRESS SB-MAX SB-MIN M.S.-C\n',
]
return msg
[docs]class RealBarStrainArray(RealBarArray, StrainObject):
def __init__(self, data_code, is_sort1, isubcase, dt):
RealBarArray.__init__(self, data_code, is_sort1, isubcase, dt)
StrainObject.__init__(self, data_code, isubcase)
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',
' ELEMENT SA1 SA2 SA3 SA4 AXIAL SA-MAX SA-MIN M.S.-T\n',
' ID. SB1 SB2 SB3 SB4 STRAIN SB-MAX SB-MIN M.S.-C\n',
]
return msg