Source code for pyNastran.op2.tables.oes_stressStrain.complex.oes_rods

from typing import List
import numpy as np
from numpy import zeros, allclose

from pyNastran.utils.numpy_utils import integer_types
from pyNastran.op2.result_objects.op2_objects import get_complex_times_dtype
from pyNastran.op2.tables.oes_stressStrain.real.oes_objects import StressObject, StrainObject, OES_Object
from pyNastran.f06.f06_formatting import write_imag_floats_13e, _eigenvalue_header # get_key0,


[docs]class ComplexRodArray(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.nelements = 0 # result specific @property def is_real(self) -> bool: return False @property def is_complex(self) -> bool: return True @property def nnodes_per_element(self) -> int: return 1 def _reset_indices(self) -> None: self.itotal = 0 self.ielement = 0 def _get_msgs(self): raise NotImplementedError()
[docs] def get_headers(self): raise NotImplementedError()
[docs] def build(self): """sizes the vectorized attributes of the ComplexRodArray""" 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.nelements //= self.ntimes self.itime = 0 self.ielement = 0 self.itotal = 0 #print("ntimes=%s nelements=%s ntotal=%s" % (self.ntimes, self.nelements, self.ntotal)) dtype, idtype, cfdtype = get_complex_times_dtype(self.nonlinear_factor, self.size) self._times = zeros(self.ntimes, dtype=dtype) self.element = zeros(self.nelements, dtype=idtype) #[axial, torsion] self.data = zeros((self.ntimes, self.nelements, 2), dtype=cfdtype)
[docs] def build_dataframe(self): """creates a pandas dataframe""" headers = self.get_headers() column_names, column_values = self._build_dataframe_transient_header() #Freq 0.00001 10.00000 20.00000 30.00000 40.00000 50.00000 60.00000 #ElementID Item #14 axial 0j 0j 0j 0j 0j 0j 0j # torsion 0j 0j 0j 0j 0j 0j 0j #15 axial 0j 0j 0j 0j 0j 0j 0j # torsion 0j 0j 0j 0j 0j 0j 0j self.data_frame = self._build_pandas_transient_elements( column_values, column_names, headers, self.element, self.data)
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, table.element): assert self.element.shape == table.element.shape, 'shape=%s element.shape=%s' % (self.element.shape, table.element.shape) msg = 'table_name=%r class_name=%s\n' % (self.table_name, self.__class__.__name__) msg += '%s\n' % str(self.code_information()) for eid, eid2 in zip(self.element, table.element): msg += '%s, %s\n' % (eid, eid2) 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()) 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, :] (axial1, torsion1) = t1 (axial2, torsion2) = t2 d = t1 - t2 if not allclose([axial1.real, axial1.imag, torsion1.real, torsion1.imag], [axial2.real, axial2.imag, torsion2.real, torsion2.imag], atol=0.0001): #if not np.array_equal(t1, t2): msg += '%-4s (%s, %sj, %s, %sj)\n (%s, %sj, %s, %sj)\n dt12=(%s, %sj, %s, %sj)\n' % ( eid, axial1.real, axial1.imag, torsion1.real, torsion1.imag, axial2.real, axial2.imag, torsion2.real, torsion2.imag, d[0].real, d[0].imag, d[1].real, d[1].imag,) 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, axial, torsion): """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.ielement] = eid self.data[self.itime, self.ielement, :] = [axial, torsion] self.ielement += 1
[docs] def get_stats(self, short: bool=False) -> List[str]: if not self.is_built: return [ '<%s>\n' % self.__class__.__name__, f' ntimes: {self.ntimes:d}\n', f' ntotal: {self.ntotal:d}\n', ] ntimes, nelements, _ = self.data.shape assert self.ntimes == ntimes, 'ntimes=%s expected=%s' % (self.ntimes, ntimes) assert self.nelements == nelements, 'nelements=%s expected=%s' % (self.nelements, nelements) msg = [] if self.nonlinear_factor not in (None, np.nan): # transient msg.append(' type=%s ntimes=%i nelements=%i; table_name=%r\n' % ( self.__class__.__name__, ntimes, nelements, self.table_name)) ntimes_word = 'ntimes' else: msg.append(' type=%s nelements=%i; table_name=%r\n' % (self.__class__.__name__, nelements, self.table_name)) ntimes_word = '1' msg.append(' eType\n') headers = self.get_headers() n = len(headers) msg.append(' data: [%s, nelements, %i] where %i=[%s]\n' % (ntimes_word, n, n, str(', '.join(headers)))) msg.append(f' element.shape = {self.element.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
[docs] def get_element_index(self, eids): itot = np.searchsorted(eids, self.element) return itot
[docs] def eid_to_element_node_index(self, eids): ind = np.searchsorted(eids, self.element) return ind
[docs] def get_f06_header(self, is_mag_phase=True): raise NotImplementedError('overwrite this')
[docs] def write_f06(self, f06_file, header=None, page_stamp: str='PAGE %s', page_num: int=1, is_mag_phase: bool=False, is_sort1: bool=True): if header is None: header = [] msg_temp = self.get_f06_header(is_mag_phase) if self.is_sort1: page_num = self._write_sort1_as_sort1(header, page_stamp, page_num, f06_file, msg_temp, is_mag_phase) else: raise NotImplementedError() return page_num
def _write_sort1_as_sort1(self, header, page_stamp, page_num, f06_file, msg_temp, is_mag_phase): ntimes = self.data.shape[0] 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_temp)) axial = self.data[itime, :, 0] torsion = self.data[itime, :, 1] for eid, iaxial, itorsion in zip(eids, axial, torsion): [axialr, torsionr, axiali, torsioni] = write_imag_floats_13e([iaxial, itorsion], is_mag_phase) f06_file.write(' %8i %-13s / %-13s %-13s / %s\n' % ( eid, axialr, axiali, torsionr, torsioni)) f06_file.write(page_stamp % page_num) page_num += 1 return page_num - 1
[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 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 device_code = self.device_code op2_ascii.write(f' ntimes = {self.ntimes}\n') eids_device = self.element * 10 + self.device_code if self.is_sort1: struct1 = Struct(endian + b'i4f') else: raise NotImplementedError('SORT2') 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 itable -= 1 header = [4, itable, 4, 4, 1, 4, 4, 0, 4, 4, ntotal, 4, 4 * ntotal] op2_file.write(pack('%ii' % len(header), *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') axial = self.data[itime, :, 0] torsion = self.data[itime, :, 1] for eid_device, axiali, torsioni in zip(eids_device, axial, torsion): data = [eid_device, axiali.real, torsioni.real, axiali.imag, torsioni.imag] op2_ascii.write(' eid_device=%s data=%s\n' % (eid_device, tuple(data))) op2_file.write(struct1.pack(*data)) 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 ComplexRodStressArray(ComplexRodArray, StressObject): def __init__(self, data_code, is_sort1, isubcase, dt): ComplexRodArray.__init__(self, data_code, is_sort1, isubcase, dt) StressObject.__init__(self, data_code, isubcase)
[docs] def get_headers(self) -> List[str]: headers = ['axial', 'torsion'] return headers
[docs] def get_f06_header(self, is_mag_phase=True): if self.element_type == 1: element_header = ' C O M P L E X S T R E S S E S I N R O D E L E M E N T S ( C R O D )\n' elif self.element_type == 3: element_header = ' C O M P L E X S T R E S S E S I N R O D E L E M E N T S ( C T U B E )\n' elif self.element_type == 10: element_header = ' C O M P L E X S T R E S S E S I N R O D E L E M E N T S ( C O N R O D )\n' else: raise NotImplementedError('element_name=%r element_type=%s' % (self.element_name, self.element_type)) if is_mag_phase: mag_phase = ' (MAG/PHASE)\n' # not tested else: mag_phase = ' (REAL/IMAGINARY)\n' words = [ element_header, mag_phase, ' \n', ' ELEMENT AXIAL TORQUE\n', ' ID. FORCE\n',] #' 1 -2.459512E+05 / 3.377728E+04 0.0 / 0.0\n',] return words
[docs]class ComplexRodStrainArray(ComplexRodArray, StrainObject): def __init__(self, data_code, is_sort1, isubcase, dt): ComplexRodArray.__init__(self, data_code, is_sort1, isubcase, dt) StrainObject.__init__(self, data_code, isubcase)
[docs] def get_headers(self) -> List[str]: headers = ['axial', 'torsion'] return headers
[docs] def get_f06_header(self, is_mag_phase=True): if self.element_type == 1: element_header = ' C O M P L E X S T R A I N S I N R O D E L E M E N T S ( C R O D )\n' elif self.element_type == 3: element_header = ' C O M P L E X S T R A I N S I N R O D E L E M E N T S ( C T U B E )\n' elif self.element_type == 10: element_header = ' C O M P L E X S T R A I N S I N R O D E L E M E N T S ( C O N R O D )\n' else: raise NotImplementedError('element_name=%r element_type=%s' % (self.element_name, self.element_type)) if is_mag_phase: mag_phase = ' (MAG/PHASE)\n' # not tested else: mag_phase = ' (REAL/IMAGINARY)\n' words = [ element_header, mag_phase, ' \n', ' ELEMENT AXIAL TORQUE\n', ' ID. FORCE\n', #' 1 -2.459512E+05 / 3.377728E+04 0.0 / 0.0\n', ] return words