from __future__ import annotations
import copy
import numpy as np
from pyNastran.utils.numpy_utils import integer_types, float_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,
oes_real_data_code, set_element_node_xxb_case,
set_static_case, set_modal_case, set_transient_case, set_post_buckling_case,
)
from pyNastran.f06.f06_formatting import write_floats_13e, _eigenvalue_header
from pyNastran.op2.result_objects.op2_objects import set_as_sort1
ELEMENT_NAME_TO_ELEMENT_TYPE = {
'CBEAM': 2,
}
[docs]
class RealBeamArray(OES_Object):
"""
common class used by:
- RealBeamStressArray
- RealBeamStrainArray
"""
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
self.data = None
self.element_node = None
self.xxb = 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 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
if self.is_sort1:
self.nelements //= self.ntimes
self.ntotal = self.nelements #* 2 # for A/B
ntimes = self.ntimes
ntotal = self.ntotal
#self.nelements //= nnodes_per_element
else:
#print('ntimes=%s nelements=%s ntotal=%s' % (self.ntimes, self.nelements, self.ntotal))
#other / tr1091x.bdf
# CBEAM=2
# self.ntimes = 2 # should be 4
# self.ntotal = 44
# self.nelements = 88 # should be 2
ntimes = self.ntotal // 11 # 44/11 = 4
nelements = self.nelements // self.ntotal # 88/44=2
ntotal = self.ntotal
self.ntimes = ntimes
self.nelements = nelements
#print('CBEAM-2: ntimes=%s nelements=%s ntotal=%s' % (ntimes, nelements, ntotal))
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)
_times = np.zeros(ntimes, dtype=self.analysis_fmt)
element_node = np.zeros((ntotal, 2), dtype=idtype)
# sxc, sxd, sxe, sxf
# smax, smin, MSt, MSc
xxb = np.full(ntotal, np.nan, dtype=fdtype)
data = np.full((ntimes, ntotal, 8), np.nan, dtype=fdtype)
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_node = group.create_dataset('element_node', data=element_node)
self.xxb = group.create_dataset('xxb', data=xxb)
self.data = group.create_dataset('data', data=data)
else:
self._times = _times
self.element_node = element_node
self.xxb = xxb
self.data = data
[docs]
def finalize(self):
"""Calls any OP2 objects that need to do any post matrix calcs"""
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, :]
self.xxb = self.xxb[i]
self.set_as_sort1()
[docs]
def set_as_sort1(self):
"""changes the table into SORT1"""
set_as_sort1(self)
[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()
data_frame = self._build_pandas_transient_element_node(
column_values, column_names,
headers, self.element_node, self.data)
#data_frame = pd.Panel(self.data, items=column_values,
#major_axis=element_node, minor_axis=headers).to_frame()
#data_frame.columns.names = column_names
#data_frame.index.names = ['ElementID', 'NodeID', 'Item']
else:
# Static sxc sxd sxe sxf smax smin MS_tension MS_compression
# ElementID NodeID
# 12 22 0.0 0.0 0.0 0.0 0.0 0.0 1.401298e-45 1.401298e-45
# 26 0.0 0.0 0.0 0.0 0.0 0.0 1.401298e-45 1.401298e-45
index = pd.MultiIndex.from_arrays(self.element_node.T, names=['ElementID', 'NodeID'])
data_frame = pd.DataFrame(self.data[0], columns=headers, index=index)
data_frame.columns.names = ['Static']
self.data_frame = data_frame
@classmethod
def _add_case(cls,
table_name, element_name, isubcase,
is_sort1, is_random, is_msc,
random_code, title, subtitle, label):
num_wide = 111
data_code = oes_real_data_code(table_name,
element_name, num_wide,
is_sort1=is_sort1, is_random=is_random,
random_code=random_code,
title=title, subtitle=subtitle, label=label,
is_msc=is_msc)
# I'm only sure about the 1s in the strains and the
# corresponding 0s in the stresses.
is_strain = 'Strain' in cls.__name__
if is_strain:
strain = 1
s_code = 1
else:
# stress
strain = 0
s_code = 0
stress_bits = [0, strain, 0, strain]
data_code['stress_bits'] = stress_bits
data_code['s_code'] = s_code
#data_code['num_wide'] = 17
element_type = ELEMENT_NAME_TO_ELEMENT_TYPE[element_name]
data_code['element_name'] = element_name
data_code['element_type'] = element_type
return data_code
[docs]
@classmethod
def add_static_case(cls, table_name, element_name, element_node, xxb, data, isubcase,
is_sort1=True, is_random=False, is_msc=True,
random_code=0, title='', subtitle='', label=''):
data_code = cls._add_case(
table_name, element_name,
isubcase, is_sort1, is_random, is_msc,
random_code, title, subtitle, label)
obj = set_static_case(cls, is_sort1, isubcase, data_code,
set_element_node_xxb_case, (element_node, xxb, data))
_filter_cbeam_blanks(obj)
return obj
[docs]
@classmethod
def add_modal_case(cls, table_name, element_name: str, element_node, xxb, data, isubcase,
modes, eigns, cycles,
is_sort1=True, is_random=False, is_msc=True,
random_code=0, title='', subtitle='', label=''):
data_code = cls._add_case(
table_name, element_name,
isubcase, is_sort1, is_random, is_msc,
random_code, title, subtitle, label)
obj = set_modal_case(cls, is_sort1, isubcase, data_code,
set_element_node_xxb_case, (element_node, xxb, data),
modes, eigns, cycles)
_filter_cbeam_blanks(obj)
return obj
[docs]
@classmethod
def add_transient_case(cls, table_name, element_name, element_node, xxb, data, isubcase,
times,
is_sort1=True, is_random=False, is_msc=True,
random_code=0, title='', subtitle='', label=''):
data_code = cls._add_case(
table_name, element_name,
isubcase, is_sort1, is_random, is_msc,
random_code, title, subtitle, label)
obj = set_transient_case(cls, is_sort1, isubcase, data_code,
set_element_node_xxb_case, (element_node, xxb, data),
times)
_filter_cbeam_blanks(obj)
return obj
[docs]
@classmethod
def add_post_buckling_case(cls, table_name, element_name, element_node, xxb, data, isubcase,
modes, eigrs, eigis,
is_sort1=True, is_random=False, is_msc=True,
random_code=0, title='', subtitle='', label=''):
data_code = cls._add_case(
table_name, element_name,
isubcase, is_sort1, is_random, is_msc,
random_code, title, subtitle, label)
obj = set_post_buckling_case(cls, is_sort1, isubcase, data_code,
set_element_node_xxb_case, (element_node, xxb, data),
modes, eigrs, eigis)
_filter_cbeam_blanks(obj)
return obj
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
#def add_new_eid(self, dt, eid, grid, sd, sxc, sxd, sxe, sxf, smax, smin, mst, msc):
#self.add_new_eid_sort1(dt, eid, grid, sd, sxc, sxd, sxe, sxf, smax, smin, mst, msc)
[docs]
def add_new_eid_sort1(self, dt, eid, grid, sd, sxc, sxd, sxe, sxf, smax, smin, mst, msc):
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,
smax, smin, mst, msc]
self.itotal += 1
self.ielement += 1
def add_sort1(self, unused_dt, eid, grid, sd, sxc, sxd, sxe, sxf, smax, smin, mst, msc):
"""unvectorized method for adding SORT1 transient data"""
assert self.sort_method == 1, self
#(grid, sd, sxc, sxd, sxe, sxf, smax, smin, mst, msc) = out
self.element_node[self.itotal, :] = [eid, grid]
self.xxb[self.itotal] = sd
self.data[self.itime, self.itotal, :] = [sxc, sxd, sxe, sxf,
smax, smin, mst, msc]
self.itotal += 1
[docs]
def add_new_eid_sort2(self, dt, eid, grid, sd, sxc, sxd, sxe, sxf, smax, smin, mst, msc):
#itime = self.itotal
itime = self.itotal // 11
itotal = self.itotal
#print(f'CBEAM SORT2 new; dt={dt:g} eid={eid} -> itime={itime} itotal={itotal}')
assert self.sort_method == 2, self
assert isinstance(eid, integer_types), eid
assert eid >= 0, eid
self._times[itime] = dt
self.element_node[itotal] = [eid, grid]
self.xxb[itotal] = sd
self.data[itime, itotal, :] = [sxc, sxd, sxe, sxf,
smax, smin, mst, msc]
self.itotal += 1
self.ielement += 1
def add_sort2(self, dt, eid, grid, sd, sxc, sxd, sxe, sxf, smax, smin, mst, msc):
"""unvectorized method for adding SORT1 transient data"""
#itime = self.itotal
itime = self.itotal // 11
itotal = self.itotal
#print(f'CBEAM SORT2; dt={dt:g} eid={eid} -> itime={itime} itotal={itotal}')
assert self.sort_method == 2, self
#(grid, sd, sxc, sxd, sxe, sxf, smax, smin, mst, msc) = out
self.element_node[itotal, :] = [eid, grid]
self.xxb[itotal] = sd
self.data[itime, itotal, :] = [sxc, sxd, sxe, sxf,
smax, smin, mst, msc]
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(f' type={self.__class__.__name__} ntimes={ntimes:d} nelements={nelements:d} '
f'nnodes_per_element={nnodes:d} ntotal={ntotal:d}; table_name={self.table_name!r}\n')
ntimes_word = 'ntimes'
else:
msg.append(f' type={self.__class__.__name__} nelements={nelements:d} '
f'nnodes_per_element={nnodes:d} ntotal={ntotal:d}; table_name={self.table_name!r}\n')
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
assert len(eids) == len(nids)
assert len(eids) == len(xxbs)
#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]
smaxs = self.data[itime, :, 4]
smins = self.data[itime, :, 5]
smts = self.data[itime, :, 6]
smcs = self.data[itime, :, 7]
assert len(eids) == len(sxcs)
eid_old = None
xxb_old = None
for (eid, nid, xxb, sxc, sxd, sxe, sxf, smax, smin, smt, smc) in zip(
eids, nids, xxbs, sxcs, sxds, sxes, sxfs, smaxs, smins, smts, smcs):
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, smax, smin, smt, smc]
vals2 = write_floats_13e(vals)
[sxc, sxd, sxe, sxf, smax, smin, smt, smc] = vals2
f06_file.write('%19s %4.3f %12s %12s %12s %12s %12s %12s %12s %s\n' % (
nid, xxb, sxc, sxd, sxe, sxf,
smax, smin, smt, smc.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]
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_node[:, 0]
nids = self.element_node[:, 1]
xxbs = self.xxb
#print(xxbs)
eids_device = eids * 10 + self.device_code
ueids = np.unique(eids)
#ieid = np.searchsorted(eids, ueids)
# table 4 info
#ntimes = self.data.shape[0]
#nnodes = self.data.shape[1]
nelements = len(ueids)
# 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(f' ntimes = {self.ntimes}\n')
#fmt = '%2i %6f'
#print('ntotal=%s' % (ntotal))
#assert ntotal == 193, ntotal
if not self.is_sort1:
raise NotImplementedError('SORT2')
struct1 = Struct(endian + b'2i 9f')
struct2 = Struct(endian + b'i 9f')
struct_13i = Struct('13i')
op2_ascii.write(f'nelements={nelements:d}\n')
for itime in range(self.ntimes):
self._write_table_3(op2_file, 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_file.write(struct_13i.pack(*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')
sxcs = self.data[itime, :, 0]
sxds = self.data[itime, :, 1]
sxes = self.data[itime, :, 2]
sxfs = self.data[itime, :, 3]
smaxs = self.data[itime, :, 4]
smins = self.data[itime, :, 5]
smts = self.data[itime, :, 6]
smcs = self.data[itime, :, 7]
icount = 0
nwide = 0
ielement = 0
#print('------------')
#print(self.element_node.shape, self.data.shape)
for (xxb, sxc, sxd, sxe, sxf, smax, smin, smt, smc) in zip(
xxbs, sxcs, sxds, sxes, sxfs, smaxs, smins, smts, smcs):
if icount == 0:
eid_device = eids_device[ielement]
nid = nids[ielement]
data = [eid_device, nid, xxb, sxc, sxd, sxe, sxf, smax, smin, smt, smc] # 11
op2_file.write(struct1.pack(*data))
ielement += 1
icount = 1
elif xxb == 1.0:
# 11 total nodes, with 1, 11 getting an nid; the other 9 being
# xxb sections
data = [0, 0., 0., 0., 0., 0., 0., 0., 0., 0.]
#print('***adding %s\n' % (10-icount))
for unused_j in range(10 - icount):
op2_file.write(struct2.pack(*data))
nwide += len(data)
eid_device2 = eids_device[ielement]
assert eid_device == eid_device2
nid = nids[ielement]
data = [nid, xxb, sxc, sxd, sxe, sxf, smax, smin, smt, smc] # 11
op2_file.write(struct2.pack(*data))
ielement += 1
icount = 0
else: # elif nid == 0 and icount > 0
data = [0, xxb, sxc, sxd, sxe, sxf, smax, smin, smt, smc] # 10
op2_file.write(struct2.pack(*data))
ielement += 1
icount += 1
#else: # pragma: no cover
#raise RuntimeError(f'OES-CBEAM op2 writer; nid={nid} xxb={xxb} icount={icount}')
op2_ascii.write(' eid_device=%s data=%s\n' % (eid_device, str(data)))
nwide += len(data)
assert ntotal == nwide, 'ntotal=%s nwide=%s' % (ntotal, nwide)
itable -= 1
header = [4 * ntotal,]
op2_file.write(pack('i', *header))
op2_ascii.write('footer = %s\n' % header)
new_result = False
return itable
[docs]
class RealNonlinearBeamArray(OES_Object):
"""tested by elements/loadstep_elements.op2"""
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 not is_sort1:
raise NotImplementedError('SORT2')
@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 build(self):
"""sizes the vectorized attributes of the RealNonlinearBeamArray"""
#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 == 94:
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)
self._times = np.zeros(self.ntimes, dtype=self.analysis_fmt)
self.element_node = np.zeros((self.ntotal, 3), dtype=idtype)
#gridA, CA, long_CA, eqS_CA, tE_CA, eps_CA, ecs_CA,
# DA, long_DA, eqS_DA, tE_DA, eps_DA, ecs_DA,
# EA, long_EA, eqS_EA, tE_EA, eps_EA, ecs_EA,
# FA, long_FA, eqS_FA, tE_FA, eps_FA, ecs_FA,
#gridB, CB, long_CB, eqS_CB, tE_CB, eps_CB, ecs_CB,
# DB, long_DB, eqS_DB, tE_DB, eps_DB, ecs_DB,
# EB, long_EB, eqS_EB, tE_EB, eps_EB, ecs_EB,
# FB, long_FB, eqS_FB, tE_FB, eps_FB, ecs_FB,
#self.xxb = zeros(self.ntotal, dtype=fdtype)
self.data = np.full((self.ntimes, self.ntotal, 5), np.nan, dtype=fdtype)
[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' 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 add_new_eid_sort1(self, dt, eid, grid_a,
unused_ca, long_ca, eqs_ca, te_ca, eps_ca, ecs_ca,
unused_da, long_da, eqs_da, te_da, eps_da, ecs_da,
unused_ea, long_ea, eqs_ea, te_ea, eps_ea, ecs_ea,
unused_fa, long_fa, eqs_fa, te_fa, eps_fa, ecs_fa,
grid_b,
unused_cb, long_cb, eqs_cb, te_cb, eps_cb, ecs_cb,
unused_db, long_db, eqs_db, te_db, eps_db, ecs_db,
unused_eb, long_eb, eqs_eb, te_eb, eps_eb, ecs_eb,
unused_fb, long_fb, eqs_fb, te_fb, eps_fb, ecs_fb):
#assert eid >= 0, eid
assert isinstance(eid, integer_types) and eid > 0, 'dt=%s eid=%s' % (dt, eid)
self._times[self.itime] = dt
#(grid_a,
#unused_ca, long_ca, eqs_ca, te_ca, eps_ca, ecs_ca,
#unused_da, long_da, eqs_da, te_da, eps_da, ecs_da,
#unused_ea, long_ea, eqs_ea, te_ea, eps_ea, ecs_ea,
#unused_fa, long_fa, eqs_fa, te_fa, eps_fa, ecs_fa,
#grid_b,
#unused_cb, long_cb, eqs_cb, te_cb, eps_cb, ecs_cb,
#unused_db, long_db, eqs_db, te_db, eps_db, ecs_db,
#unused_eb, long_eb, eqs_eb, te_eb, eps_eb, ecs_eb,
#unused_fb, long_fb, eqs_fb, te_fb, eps_fb, ecs_fb,) = out[1:]
self.element_node[self.itotal] = [eid, grid_a, 0]
self.element_node[self.itotal + 1] = [eid, grid_a, 1]
self.element_node[self.itotal + 2] = [eid, grid_a, 2]
self.element_node[self.itotal + 3] = [eid, grid_a, 3]
self.element_node[self.itotal + 4] = [eid, grid_b, 4]
self.element_node[self.itotal + 5] = [eid, grid_b, 5]
self.element_node[self.itotal + 6] = [eid, grid_b, 6]
self.element_node[self.itotal + 7] = [eid, grid_b, 7]
self.data[self.itime, self.itotal, :] = [long_ca, eqs_ca, te_ca, eps_ca, ecs_ca]
self.data[self.itime, self.itotal + 1, :] = [long_da, eqs_da, te_da, eps_da, ecs_da]
self.data[self.itime, self.itotal + 2, :] = [long_ea, eqs_ea, te_ea, eps_ea, ecs_ea]
self.data[self.itime, self.itotal + 3, :] = [long_fa, eqs_fa, te_fa, eps_fa, ecs_fa]
self.data[self.itime, self.itotal + 4, :] = [long_cb, eqs_cb, te_cb, eps_cb, ecs_cb]
self.data[self.itime, self.itotal + 5, :] = [long_db, eqs_db, te_db, eps_db, ecs_db]
self.data[self.itime, self.itotal + 6, :] = [long_eb, eqs_eb, te_eb, eps_eb, ecs_eb]
self.data[self.itime, self.itotal + 7, :] = [long_fb, eqs_fb, te_fb, eps_fb, ecs_fb]
self.itotal += 8
#print('CBEAM-94: out=%s' % str(out))
self.ielement += 1
#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
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, nid) in enumerate(self.element_node):
t1 = self.data[itime, ieid, :]
t2 = table.data[itime, ieid, :]
(force1, stress1) = t1
(force2, stress2) = t2
if not np.allclose(t1, t2):
#if not np.array_equal(t1, t2):
msg += '%s\n (%s, %s)\n (%s, %s)\n' % (
eid,
force1, stress1,
force2, 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 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]
locs = self.element_node[:, 2]
#xxbs = self.xxb
#print('CBEAM ntimes=%s ntotal=%s' % (ntimes, ntotal))
loc_map = ['C', 'D', 'E', 'F',
'C', 'D', 'E', 'F',]
for itime in range(ntimes):
dt = self._times[itime]
header = _eigenvalue_header(self, header, itime, ntimes, dt)
f06_file.write(''.join(header + msg))
longs = self.data[itime, :, 0]
eqss = self.data[itime, :, 1]
tes = self.data[itime, :, 2]
epss = self.data[itime, :, 3]
ecss = self.data[itime, :, 4]
#msg = [' N O N L I N E A R 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',
#' \n',
#' ELEMENT GRID POINT STRESS EQUIVALENT TOTAL STRAIN EFF. STRAIN EFF. CREEP\n',
#' ID ID STRESS PLASTIC/NLELAST STRAIN\n',]
#'0 1 1 C 1.738817E+03 1.738817E+03 5.796055E-05 0.0 0.0\n',
#' D 1.229523E+03 1.229523E+03 4.098411E-05 0.0 0.0\n',
for (eid, nid, loc, longi, eqs, te, eps, ecs) in zip(
eids, nids, locs, longs, eqss, tes, epss, ecss):
vals = [longi, eqs, te, eps, ecs]
vals2 = write_floats_13e(vals)
[longi, eqs, te, eps, ecs] = vals2
if loc == 0:
f06_file.write('0 %14i %8i %4s %13s %13s %13s %13s %s\n' % (
eid, nid, 'C', longi, eqs, te, eps, ecs.rstrip()))
elif loc == 4:
f06_file.write(' %14s %8i %4s %13s %13s %13s %13s %s\n' % (
'', nid, 'C', longi, eqs, te, eps, ecs.rstrip()))
else:
loci = loc_map[loc]
f06_file.write(' %14s %8s %4s %13s %13s %13s %13s %s\n' % (
'', '', loci, longi, eqs, te, eps, ecs.rstrip()))
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 RealBeamStressArray(RealBeamArray, StressObject):
"""Real CBEAM Stress"""
def __init__(self, data_code, is_sort1, isubcase, dt):
RealBeamArray.__init__(self, data_code, is_sort1, isubcase, dt)
StressObject.__init__(self, data_code, isubcase)
def _get_msgs(self):
if self.element_type == 2:
pass
else:
raise NotImplementedError(self.element_type)
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 S-MAX S-MIN M.S.-T M.S.-C\n']
return msg
def __pos__(self) -> RealBeamArray:
"""positive; +a"""
return self
def __neg__(self) -> RealBeamArray:
"""negative; -a"""
new_table = copy.deepcopy(self)
new_table.data *= -1.0
return new_table
def __add__(self, table: RealBeamArray) -> RealBeamArray:
"""a + b"""
if isinstance(table, RealBeamArray):
self._check_math(table)
new_data = self.data + table.data
_fix_min_max(new_data)
elif isinstance(table, (integer_types, float_types)):
new_data = self.data + table
else:
raise TypeError(table)
new_table = copy.deepcopy(self)
new_table.data = new_data
return new_table
# __radd__: reverse order adding (b+a)
def __iadd__(self, table: RealBeamArray) -> RealBeamArray:
"""inplace adding; a += b"""
if isinstance(table, RealBeamArray):
self._check_math(table)
self.data += table.data
_fix_min_max(self.data)
elif isinstance(table, (integer_types, float_types)):
self.data -= table
else:
raise TypeError(table)
return self
def __sub__(self, table: RealBeamArray):
"""a - b"""
if isinstance(table, RealBeamArray):
self._check_math(table)
new_data = self.data - table.data
elif isinstance(table, (integer_types, float_types)):
new_data = self.data - table
else:
raise TypeError(table)
new_table = copy.deepcopy(self)
new_table.data = new_data
return new_table
def __mul__(self, table: RealBeamArray):
"""a * b"""
if isinstance(table, RealBeamArray):
self._check_math(table)
new_data = self.data * table.data
elif isinstance(table, (integer_types, float_types)):
new_data = self.data * table
else:
raise TypeError(table)
new_table = copy.deepcopy(self)
new_table.data = new_data
return new_table
def __truediv__(self, table: RealBeamArray):
"""a / b"""
if isinstance(table, RealBeamArray):
self._check_math(table)
new_data = self.data / table.data
elif isinstance(table, (integer_types, float_types)):
new_data = self.data / table
else:
raise TypeError(table)
new_table = copy.deepcopy(self)
new_table.data = new_data
return new_table
def _check_math(self, table: RealBeamArray) -> None:
"""verifies that the shapes are the same"""
assert self.ntimes == table.ntimes, f'ntimes={self.ntimes} table.times={table.ntimes}'
assert self.ntotal == table.ntotal, f'ntotal={self.ntotal} table.ntotal={table.ntotal}'
assert self.element_node.shape == table.element_node.shape, f'element_node.shape={self.element_node.shape} table.element_node.shape={table.element_node.shape}'
assert self.data.shape == table.data.shape, f'data.shape={self.data.shape} table.data.shape={table.data.shape}'
def _fix_min_max(data: np.ndarray) -> None:
sxc = data[:, :, 0]
#sxd = data[:, :, 1]
#sxe = data[:, :, 2]
#sxf = data[:, :, 3]
#max = data[:, :, 4]
#smin = data[:, :, 5]
#shape = sxc.shape
maxi = np.max(data[:, :, [0, 1, 2, 3]], axis=2)
mini = np.min(data[:, :, [0, 1, 2, 3]], axis=2)
assert maxi.shape == sxc.shape
data[:, :, 4] = maxi
data[:, :, 5] = mini
# can you fix MS_tension/compression?
[docs]
class RealBeamStrainArray(RealBeamArray, StrainObject):
"""Real CBEAM Strain"""
def __init__(self, data_code, is_sort1, isubcase, dt):
RealBeamArray.__init__(self, data_code, is_sort1, isubcase, dt)
StrainObject.__init__(self, data_code, isubcase)
def _get_msgs(self):
if self.element_type == 2:
pass
else:
raise NotImplementedError(self.element_type)
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 S-MAX S-MIN M.S.-T M.S.-C\n']
return msg
[docs]
class RealNonlinearBeamStressArray(RealNonlinearBeamArray, StressObject):
"""tested by elements/loadstep_elements.op2"""
def __init__(self, data_code, is_sort1, isubcase, dt):
RealNonlinearBeamArray.__init__(self, data_code, is_sort1, isubcase, dt)
StressObject.__init__(self, data_code, isubcase)
def _get_msgs(self):
if self.element_type == 94:
pass
else:
raise NotImplementedError(self.element_type)
msg = [' N O N L I N E A R 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',
' \n',
' ELEMENT GRID POINT STRESS EQUIVALENT TOTAL STRAIN EFF. STRAIN EFF. CREEP\n',
' ID ID STRESS PLASTIC/NLELAST STRAIN\n',]
#'0 1 1 C 1.738817E+03 1.738817E+03 5.796055E-05 0.0 0.0\n',
#' D 1.229523E+03 1.229523E+03 4.098411E-05 0.0 0.0\n',
#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 S-MAX S-MIN M.S.-T M.S.-C\n']
return msg
def _filter_cbeam_blanks(obj: Union[RealBeamStressArray, RealBeamStrainArray]):
i_nonzero = np.where((obj.element_node[:, 1] != 0) | (obj.xxb != 0.0))[0]
## TODO: fix slicing error...
obj.element_node = obj.element_node[i_nonzero, :]
obj.data = obj.data[:, i_nonzero, :]
obj.element = obj.element_node[:, 0]
obj.xxb = obj.xxb[i_nonzero, 0]
obj.nelement = len(obj.element)