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 (
StressObject, StrainObject, OES_Object)
from pyNastran.f06.f06_formatting import write_floats_13e, _eigenvalue_header
[docs]
class RandomBeamArray(OES_Object):
"""
common class used by:
- RandomBeamStressArray
- RandomBeamStrainArray
"""
def __init__(self, data_code, is_sort1, isubcase, unused_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 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
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 RealBeamArray"""
#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
#self.names = []
if self.element_type == 2:
nnodes_per_element = 10
else:
raise NotImplementedError(self.element_type)
self.nnodes = nnodes_per_element
self.nelements //= self.ntimes
self.ntotal = self.nelements #* 2 # for A/B
#self.nelements //= nnodes_per_element
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
ntotal = self.ntotal
else:
ntimes = self.ntotal
ntotal = self.ntimes
self._times = zeros(ntimes, dtype=self.analysis_fmt)
self.element_node = zeros((ntotal, 2), dtype=idtype)
# sxc, sxd, sxe, sxf
self.xxb = zeros(ntotal, dtype=fdtype)
self.data = zeros((ntimes, ntotal, 4), dtype=fdtype)
#def finalize(self):
#sd = self.data[0, :, 0].real
#i_sd_zero = np.where(sd != 0.0)[0]
#i_node_zero = np.where(self.element_node[:, 1] != 0)[0]
#assert i_node_zero.max() > 0, 'CBEAM element_node has not been filled'
#i = np.union1d(i_sd_zero, i_node_zero)
##self.element = self.element[i]
#self.element_node = self.element_node[i, :]
#self.data = self.data[:, i, :]
[docs]
def build_dataframe(self):
"""creates a pandas dataframe"""
import pandas as pd
headers = self.get_headers()
element_node = [self.element_node[:, 0], self.element_node[:, 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_node, minor_axis=headers).to_frame()
self.data_frame.columns.names = column_names
self.data_frame.index.names = ['ElementID', 'NodeID', 'Item']
else:
self.data_frame = pd.Panel(self.data, major_axis=element_node,
minor_axis=headers).to_frame()
self.data_frame.columns.names = ['Static']
self.data_frame.index.names = ['ElementID', 'NodeID', '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, unused_nid) in enumerate(self.element_node):
t1 = self.data[itime, ieid, :]
t2 = table.data[itime, ieid, :]
(axial_stress1, equiv_stress1, total_strain1, eff_plastic_creep_strain1,
eff_creep_strain1, linear_torsional_stress1) = t1
(axial_stress2, equiv_stress2, total_strain2, eff_plastic_creep_strain2,
eff_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,
eff_plastic_creep_strain1, eff_creep_strain1,
linear_torsional_stress1,
axial_stress2, equiv_stress2, total_strain2,
eff_plastic_creep_strain2, eff_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_eid_sort1(self, dt, eid, grid, sd, sxc, sxd, sxe, sxf):
assert isinstance(eid, integer_types), eid
assert eid >= 0, eid
self._times[self.itime] = dt
self.element_node[self.itotal] = [eid, grid]
self.xxb[self.itotal] = sd
self.data[self.itime, self.itotal, :] = [sxc, sxd, sxe, sxf]
self.itotal += 1
self.ielement += 1
def add_sort1(self, dt, eid, grid, sd, sxc, sxd, sxe, sxf):
"""unvectorized method for adding SORT1 transient data"""
assert isinstance(eid, integer_types) and eid > 0, 'dt=%s eid=%s' % (dt, eid)
self.element_node[self.itotal, :] = [eid, grid]
self.xxb[self.itotal] = sd
self.data[self.itime, self.itotal, :] = [sxc, sxd, sxe, sxf]
self.itotal += 1
[docs]
def add_eid_sort2(self, dt, eid, grid, sd, sxc, sxd, sxe, sxf):
assert isinstance(eid, integer_types), eid
assert eid >= 0, eid
itotal = self.itime
itime = self.itotal
self._times[itime] = dt
self.element_node[itotal] = [eid, grid]
self.xxb[itotal] = sd
self.data[itime, itotal, :] = [sxc, sxd, sxe, sxf]
self.itotal += 1
self.ielement += 1
def add_sort2(self, dt, eid, grid, sd, sxc, sxd, sxe, sxf):
"""unvectorized method for adding SORT2 transient data"""
assert self.is_sort2, self
assert isinstance(eid, integer_types) and eid > 0, 'dt=%s eid=%s' % (dt, eid)
itotal = self.itime
itime = self.itotal
self.element_node[itotal, :] = [eid, grid]
self.xxb[itotal] = sd
self.data[itime, itotal, :] = [sxc, sxd, sxe, sxf]
self.itotal += 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',
]
nelements = self.nelements
ntimes = self.ntimes
nnodes = self.nnodes
ntotal = self.ntotal
#nlayers = 2
nelements = self.ntotal // self.nnodes # // 2
msg = []
if self.nonlinear_factor not in (None, np.nan): # transient
msg.append(' type=%s ntimes=%i nelements=%i nnodes_per_element=%i ntotal=%i\n'
% (self.__class__.__name__, ntimes, nelements, nnodes, ntotal))
ntimes_word = 'ntimes'
else:
msg.append(' type=%s nelements=%i nnodes_per_element=%i ntotal=%i\n'
% (self.__class__.__name__, nelements, nnodes, ntotal))
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' element_node.shape = {self.element_node.shape}\n')
msg.append(f' xxb.shape = {self.xxb.shape}\n')
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
#def get_element_index(self, eids):
# elements are always sorted; nodes are not
#itot = searchsorted(eids, self.element_node[:, 0]) #[0]
#return itot
#def eid_to_element_node_index(self, eids):
#ind = ravel([searchsorted(self.element_node[:, 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 = self._get_msgs()
ntimes = self.data.shape[0]
eids = self.element_node[:, 0]
nids = self.element_node[:, 1]
xxbs = self.xxb
#print('CBEAM 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))
sxcs = self.data[itime, :, 0]
sxds = self.data[itime, :, 1]
sxes = self.data[itime, :, 2]
sxfs = self.data[itime, :, 3]
eid_old = None
xxb_old = None
for (eid, nid, xxb, sxc, sxd, sxe, sxf) in zip(
eids, nids, xxbs, sxcs, sxds, sxes, sxfs):
if eid != eid_old:
f06_file.write('0 %8i\n' % eid)
if xxb == xxb_old:
continue
# #if eid != eid_old and xxb != xxb_old:
#continue
vals = [sxc, sxd, sxe, sxf]
vals2 = write_floats_13e(vals)
[sxc, sxd, sxe, sxf] = vals2
f06_file.write('%19s %4.3f %12s %12s %12s %s\n' % (
nid, xxb, sxc, sxd, sxe, sxf.strip()))
eid_old = eid
xxb_old = xxb
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 RandomBeamStressArray(RandomBeamArray, StressObject):
"""Random CBEAM Stress"""
def __init__(self, data_code, is_sort1, isubcase, dt):
RandomBeamArray.__init__(self, data_code, is_sort1, isubcase, dt)
StressObject.__init__(self, data_code, isubcase)
[docs]
def get_headers(self) -> list[str]:
headers = [
#'grid', 'xxb',
'sxc', 'sxd', 'sxe', 'sxf',
]
return headers
def _get_msgs(self):
if self.element_type == 2:
pass
else:
raise NotImplementedError(self.element_type)
assert self.table_name in ['OESXNO1', 'OESXRMS1', 'OESATO2', 'OESATO1', 'OESCRM1', 'OESPSD1'], f'table_name={self.table_name!r}'
msg = [
' S T R E S S E S I N B E A M E L E M E N T S ( C B E A M )\n',
' STAT DIST/\n',
' ELEMENT-ID GRID LENGTH SXC SXD SXE SXF\n']
return msg
[docs]
class RandomBeamStrainArray(RandomBeamArray, StrainObject):
"""Random CBEAM Strain"""
def __init__(self, data_code, is_sort1, isubcase, dt):
RandomBeamArray.__init__(self, data_code, is_sort1, isubcase, dt)
StrainObject.__init__(self, data_code, isubcase)
[docs]
def get_headers(self) -> list[str]:
headers = [
#'grid', 'xxb',
'sxc', 'sxd', 'sxe', 'sxf',
]
return headers
def _get_msgs(self):
if self.element_type == 2:
pass
else:
raise NotImplementedError(self.element_type)
assert self.table_name in ['OSTRNO1', 'OSTRRMS1', 'OSTRATO2', 'OSTRATO1', 'OSTRCRM1', 'OSTRPSD1'], self.table_name
msg = [
' S T R A I N S I N B E A M E L E M E N T S ( C B E A M )\n',
' STAT DIST/\n',
' ELEMENT-ID GRID LENGTH SXC SXD SXE SXF\n']
return msg