from typing import List
import numpy as np
from numpy import zeros, searchsorted, unique, 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_12e, _eigenvalue_header
[docs]class RandomCompositePlateArray(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
self.nnodes = None
#if is_sort1:
#if dt is not None:
#pass
#else:
#raise NotImplementedError('SORT2')
@property
def is_real(self):
return True
@property
def is_complex(self):
return False
[docs] def nnodes_per_element(self):
return 1
[docs] def finalize(self):
"""Calls any OP2 objects that need to do any post matrix calcs"""
if self.is_sort1:
return
self.set_as_sort1()
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 get_headers(self):
raise NotImplementedError('%s needs to implement get_headers' % self.__class__.__name__)
[docs] def build(self):
"""sizes the vectorized attributes of the RealCompositePlateArray"""
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 == 95: # CQUAD4
nnodes_per_element = 1
elif self.element_type == 96: # CQUAD8
nnodes_per_element = 1
elif self.element_type == 97: # CTRIA3
nnodes_per_element = 1
elif self.element_type == 98: # CTRIA6
nnodes_per_element = 1
else: # pragma: no cover
msg = 'element_name=%s element_type=%s' %(self.element_name, self.element_type)
raise NotImplementedError(msg)
self.nnodes = nnodes_per_element
self.itime = 0
self.ielement = 0
self.itotal = 0
self.is_built = True
dtype = 'float32'
if isinstance(self.nonlinear_factor, integer_types):
dtype = 'int32'
self._times = zeros(self.ntimes, dtype=dtype)
self.element_layer = zeros((self.ntotal, 2), dtype='int32')
nresults = 9
#[o11, o22, t12, t1z, t2z, angle, major, minor, ovm]; 9
self.data = zeros((self.ntimes, self.ntotal, nresults), dtype='float32')
@property
def has_von_mises(self):
"""what is the form of the table (NX includes Von Mises)"""
return True
[docs] def build_dataframe(self):
"""
major-axis - the axis
mode 1 2 3
freq 1.0 2.0 3.0
T1
T2
T3
R1
R2
R3
major_axis / top = [
[1, 2, 3],
[1.0, 2.0, 3.0]
]
minor_axis / headers = [T1, T2, T3, R1, R2, R3]
name = mode
"""
import pandas as pd
headers = self.get_headers()
element_layer = [self.element_layer[:, 0], self.element_layer[:, 1]]
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=element_layer, minor_axis=headers).to_frame()
self.data_frame.columns.names = column_names
self.data_frame.index.names = ['ElementID', 'Layer', 'Item']
else:
self.data_frame = pd.Panel(self.data,
major_axis=element_layer, minor_axis=headers).to_frame()
self.data_frame.columns.names = ['Static']
self.data_frame.index.names = ['ElementID', 'Layer', '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.element_layer, table.element_layer):
assert self.element_node.shape == table.element_layer.shape, 'element_layer shape=%s table.shape=%s' % (
self.element_layer.shape, table.element_layer.shape)
msg = 'table_name=%r class_name=%s\n' % (self.table_name, self.__class__.__name__)
msg += '%s\n' % str(self.code_information())
msg += '(Eid, Layer)\n'
for (eid, layer1), (eid2, layer2) in zip(self.element_layer, table.element_layer):
msg += '(%s, %s) (%s, %s)\n' % (eid, layer1, eid2, layer2)
print(msg)
raise ValueError(msg)
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())
i = 0
for itime in range(self.ntimes):
for ie, e in enumerate(self.element_layer):
(eid, layer) = e
t1 = self.data[itime, ie, :]
t2 = table.data[itime, ie, :]
(o11, o22, t12, t1z, t2z, angle, major, minor, ovm) = t1
(o112, o222, t122, t1z2, t2z2, angle2, major2, minor2, ovm2) = t2
# vm stress can be NaN for some reason...
if not np.array_equal(t1[:-1], t2[:-1]):
msg += (
'(%s, %s) (%s, %s, %s, %s, %s, %s, %s, %s, %s)'
' (%s, %s, %s, %s, %s, %s, %s, %s, %s)\n' % (
eid, layer,
o11, o22, t12, t1z, t2z, angle, major, minor, ovm,
o112, o222, t122, t1z2, t2z2, angle2, major2, minor2, ovm2))
i += 1
if i > 10:
print(msg)
raise ValueError(msg)
#print(msg)
if i > 0:
raise ValueError(msg)
return True
[docs] def add_new_eid_sort1(self, etype, dt, eid, layer, o11, o22, t12):
self._times[self.itime] = dt
self.element_layer[self.itotal, :] = [eid, layer]
self.data[self.itime, self.itotal, :] = [o11, o22, t12]
self.itotal += 1
self.ielement += 1
def add_sort1(self, dt, eid, layer, o11, o22, t12):
"""unvectorized method for adding SORT1 transient data"""
assert eid is not None
assert isinstance(eid, integer_types) and eid > 0, 'dt=%s eid=%s' % (dt, eid)
self.element_layer[self.itotal, :] = [eid, layer]
self.data[self.itime, self.itotal, :] = [o11, o22, t12]
self.itotal += 1
[docs] def get_stats(self, short=False) -> List[str]:
if not self.is_built:
msg = [
'<%s>\n' % self.__class__.__name__,
' ntimes: %i\n' % self.ntimes,
' ntotal: %i\n' % self.ntotal,
]
return msg
nelements = self.nelements
ntimes = self.ntimes
#nnodes = self.nnodes
ntotal = self.ntotal
nelements = len(unique(self.element_layer[:, 0]))
msg = []
if self.nonlinear_factor not in (None, np.nan): # transient
msg.append(' type=%s ntimes=%i nelements=%i ntotal=%i\n'
% (self.__class__.__name__, ntimes, nelements, ntotal))
ntimes_word = 'ntimes'
else:
msg.append(' type=%s nelements=%i ntotal=%i\n'
% (self.__class__.__name__, nelements, ntotal))
ntimes_word = '1'
headers = self.get_headers()
n = len(headers)
msg.append(' data: [%s, ntotal, %i] where %i=[%s]\n' % (ntimes_word, n, n, str(', '.join(headers))))
msg.append(' element_layer.shape = %s\n' % str(self.element_layer.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_f06_header(self, is_mag_phase=True):
ctria3_msg, ctria6_msg, cquad4_msg, cquad8_msg = self._get_msgs()
if self.element_type == 95: # CQUAD4
msg = cquad4_msg
nnodes = 4
elif self.element_type == 96: # CQUAD8
msg = cquad8_msg
nnodes = 8
elif self.element_type == 97: # CTRIA3
msg = ctria3_msg
nnodes = 3
elif self.element_type == 98: # CTRIA6
msg = ctria6_msg
nnodes = 6
else:
raise NotImplementedError(self.element_name)
return self.element_name, nnodes, msg
[docs] def get_element_index(self, eids):
# elements are always sorted; nodes are not
itot = searchsorted(eids, self.element_layer[:, 0]) #[0]
return itot
[docs] def eid_to_element_node_index(self, eids):
ind = ravel([searchsorted(self.element_layer[:, 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='PAGE %s',
page_num=1, is_mag_phase=False, is_sort1=True):
if header is None:
header = []
#msg, nnodes, is_bilinear = self._get_msgs()
if self.is_von_mises:
von = 'VON'
mises = 'MISES'
else:
von = 'MAX'
mises = 'SHEAR'
if self.is_strain:
words = [' ELEMENT PLY STRAINS IN FIBER AND MATRIX DIRECTIONS INTER-LAMINAR STRAINS PRINCIPAL STRAINS (ZERO SHEAR) %s\n' % von,
' ID ID NORMAL-1 NORMAL-2 SHEAR-12 SHEAR XZ-MAT SHEAR YZ-MAT ANGLE MAJOR MINOR %s\n' % mises]
else:
words = [' ELEMENT PLY STRESSES IN FIBER AND MATRIX DIRECTIONS INTER-LAMINAR STRESSES PRINCIPAL STRESSES (ZERO SHEAR) %s\n' % von,
' ID ID NORMAL-1 NORMAL-2 SHEAR-12 SHEAR XZ-MAT SHEAR YZ-MAT ANGLE MAJOR MINOR %s\n' % mises]
if self.element_type == 95: # CQUAD4
if self.is_strain:
msg = [' S T R A I N S I N L A Y E R E D C O M P O S I T E E L E M E N T S ( Q U A D 4 )\n'] + words
else:
msg = [' S T R E S S E S I N L A Y E R E D C O M P O S I T E E L E M E N T S ( Q U A D 4 )\n'] + words
#elif self.element_type == 96: # CQUAD8
#nnodes_per_element = 1
elif self.element_type == 97: # CTRIA3
if self.is_strain:
msg = [' S T R A I N S I N L A Y E R E D C O M P O S I T E E L E M E N T S ( T R I A 3 )\n'] + words
else:
msg = [' S T R E S S E S I N L A Y E R E D C O M P O S I T E E L E M E N T S ( T R I A 3 )\n'] + words
elif self.element_type == 96: # QUAD8
# good
if self.is_strain:
msg = [' S T R A I N S I N L A Y E R E D C O M P O S I T E E L E M E N T S ( Q U A D 8 )\n'] + words
else:
msg = [' S T R E S S E S I N L A Y E R E D C O M P O S I T E E L E M E N T S ( Q U A D 8 )\n'] + words
elif self.element_type == 98: # CTRIA6
# good
if self.is_strain:
msg = [' S T R A I N S I N L A Y E R E D C O M P O S I T E E L E M E N T S ( T R I A 6 )\n'] + words
else:
msg = [' S T R E S S E S I N L A Y E R E D C O M P O S I T E E L E M E N T S ( T R I A 6 )\n'] + words
else: # pragma: no cover
msg = 'element_name=%s element_type=%s' % (self.element_name, self.element_type)
raise NotImplementedError(msg)
# write the f06
ntimes = self.data.shape[0]
eids = self.element_layer[:, 0]
layers = self.element_layer[:, 1]
for itime in range(ntimes):
dt = self._times[itime]
header = _eigenvalue_header(self, header, itime, ntimes, dt)
f06_file.write(''.join(header + msg))
#print("self.data.shape=%s itime=%s ieids=%s" % (str(self.data.shape), itime, str(ieids)))
#[o11, o22, t12, t1z, t2z, angle, major, minor, ovm]
o11 = self.data[itime, :, 0]
o22 = self.data[itime, :, 1]
t12 = self.data[itime, :, 2]
for eid, layer, o11i, o22i, t12i in zip(
eids, layers, o11, o22, t12):
[o11i, o22i, t12i] = write_floats_12e([
o11i, o22i, t12i])
f06_file.write('0 %8s %4s %12s %12s %s\n'
% (eid, layer, o11i, o22i, t12i))
f06_file.write(page_stamp % page_num)
page_num += 1
return page_num - 1
[docs]class RandomCompositePlateStressArray(RandomCompositePlateArray, StressObject):
def __init__(self, data_code, is_sort1, isubcase, dt):
RandomCompositePlateArray.__init__(self, data_code, is_sort1, isubcase, dt)
StressObject.__init__(self, data_code, isubcase)
@property
def is_stress(self):
return True
@property
def is_strain(self):
return False
[docs] def get_headers(self) -> List[str]:
headers = ['o11', 'o22', 'txy']
return headers
[docs]class RandomCompositePlateStrainArray(RandomCompositePlateArray, StrainObject):
def __init__(self, data_code, is_sort1, isubcase, dt):
RandomCompositePlateArray.__init__(self, data_code, is_sort1, isubcase, dt)
StrainObject.__init__(self, data_code, isubcase)
@property
def is_stress(self):
return False
@property
def is_strain(self):
return True
[docs] def get_headers(self) -> List[str]:
headers = ['e11', 'e22', 'exy']
return headers