from __future__ import (nested_scopes, generators, division, absolute_import,
print_function, unicode_literals)
import numpy as np
from numpy import zeros
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
[docs]class RealBushArray(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
#print('RealBushArray.nonlinear_factor =', self.nonlinear_factor)
@property
def is_real(self):
return True
@property
def is_complex(self):
return False
@property
def nnodes_per_elements(self):
return 1
def _reset_indices(self):
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__)
#return headers
[docs] def build(self):
"""sizes the vectorized attributes of the RealBushArray"""
#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 == 102:
#nnodes_per_element = 1
pass
else:
raise NotImplementedError(self.element_type)
# 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
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')
# [tx, ty, tz, rx, ry, rz]
data = zeros((self.ntimes, self.ntotal, 6), 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, :]
(fx1, fy1, fz1, unused_mx1, unused_my1, unused_mz1) = t1
(fx2, fy2, fz2, unused_mx2, unused_my2, unused_mz2) = t2
if not np.allclose(t1, t2):
#if not np.array_equal(t1, t2):
msg += '%s\n (%s, %s, %s)\n (%s, %s, %s)\n' % (
eid,
fx1, fy1, fz1, #mx1, my1, mz1
fx2, fy2, fz2) #mx2, my2, mz2
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, tx, ty, tz, rx, ry, rz):
"""unvectorized method for adding SORT1 transient data"""
assert isinstance(eid, integer_types) and eid > 0, 'dt=%s eid=%s' % (dt, eid)
self._times[self.itime] = dt
self.element[self.itotal] = eid
self.data[self.itime, self.itotal, :] = [tx, ty, tz, rx, ry, rz]
self.itotal += 1
self.ielement += 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
#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(' element.shape = %s\n' % str(self.element.shape).replace('L', ''))
msg.append(' data.shape = %s\n' % str(self.data.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 = np.searchsorted(eids, self.element) #[0]
return itot
[docs] def eid_to_element_node_index(self, eids):
ind = np.ravel([np.searchsorted(self.element == eid) for eid in eids])
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, ntotal) = self.data.shape[:2]
eids = self.element
for itime in range(ntimes):
dt = self._times[itime]
header = _eigenvalue_header(self, header, itime, ntimes, dt)
f06_file.write(''.join(header + msg))
#[tx, ty, tz, rx, ry, rz]
tx = self.data[itime, :, 0]
ty = self.data[itime, :, 1]
tz = self.data[itime, :, 2]
rx = self.data[itime, :, 3]
ry = self.data[itime, :, 4]
rz = self.data[itime, :, 5]
for eid, txi, tyi, tzi, rxi, ryi, rzi in zip(
eids, tx, ty, tz, rx, ry, rz):
vals = [txi, tyi, tzi, rxi, ryi, rzi]
vals2 = write_floats_13e(vals)
[txi, tyi, tzi, rxi, ryi, rzi] = vals2
f06_file.write('0 %8i %-13s %-13s %-13s %-13s %-13s %s\n' % (
eid, txi, tyi, tzi, rxi, ryi, rzi))
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
# 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(' ntimes = %s\n' % self.ntimes)
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('nelements=%i\n' % nelements)
for itime in range(self.ntimes):
#print('3, %s' % itable)
self._write_table_3(op2, 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.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))
tx = self.data[itime, :, 0]
ty = self.data[itime, :, 1]
tz = self.data[itime, :, 2]
rx = self.data[itime, :, 3]
ry = self.data[itime, :, 4]
rz = self.data[itime, :, 5]
for eid, eid_device, txi, tyi, tzi, rxi, ryi, rzi in zip(
eids, eids_device, tx, ty, tz, rx, ry, rz):
data = [eid_device, txi, tyi, tzi, rxi, ryi, rzi]
vals = [txi, tyi, tzi, rxi, ryi, rzi]
vals2 = write_floats_13e(vals)
[txi, tyi, tzi, rxi, ryi, rzi] = vals2
op2_ascii.write('0 %8i %-13s %-13s %-13s %-13s %-13s %s\n' % (
eid, txi, tyi, tzi, rxi, ryi, rzi))
op2.write(struct1.pack(*data))
#for eid, axiali, SMai, torsioni, SMti in zip(eids_device, axial, SMa, torsion, SMt):
#data = [eid, axiali, SMai, torsioni, SMti]
#op2_ascii.write(' eid=%s axial=%s SMa=%s torsion=%s SMt=%s\n' % tuple(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 RealBushStressArray(RealBushArray, StressObject):
def __init__(self, data_code, is_sort1, isubcase, dt):
RealBushArray.__init__(self, data_code, is_sort1, isubcase, dt)
StressObject.__init__(self, data_code, isubcase)
def _get_msgs(self):
if self.element_type == 102:
pass
else:
raise NotImplementedError(self.element_type)
msg = [
' S T R E S S E S I N B U S H E L E M E N T S ( C B U S H )\n \n',
' ELEMENT-ID STRESS-TX STRESS-TY STRESS-TZ STRESS-RX STRESS-RY STRESS-RZ \n',
]
return msg
[docs]class RealBushStrainArray(RealBushArray, StrainObject):
def __init__(self, data_code, is_sort1, isubcase, dt):
RealBushArray.__init__(self, data_code, is_sort1, isubcase, dt)
StrainObject.__init__(self, data_code, isubcase)
def _get_msgs(self):
if self.element_type == 102:
pass
else:
raise NotImplementedError(self.element_type)
msg = [
' S T R A I N S I N B U S H E L E M E N T S ( C B U S H )\n'
' \n'
' ELEMENT-ID STRAIN-TX STRAIN-TY STRAIN-TZ STRAIN-RX STRAIN-RY STRAIN-RZ \n'
]
return msg