Source code for pyNastran.op2.tables.oes_stressStrain.random.oes_shear

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

from pyNastran.op2.tables.oes_stressStrain.real.oes_objects import StressObject, StrainObject, OES_Object
from pyNastran.op2.result_objects.op2_objects import get_times_dtype
from pyNastran.f06.f06_formatting import _eigenvalue_header #, get_key0


[docs]class RandomShearArray(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 #if is_sort1: #self.add_new_eid = self.add_new_eid_sort1 #else: #raise NotImplementedError('SORT2') @property def is_real(self) -> bool: return True @property def is_complex(self) -> bool: return False @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 RealShearArray""" #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 = [] self.nelements //= self.ntimes self.itime = 0 self.ielement = 0 self.itotal = 0 #self.ntimes = 0 #self.nelements = 0 #print("ntimes=%s nelements=%s ntotal=%s" % (self.ntimes, self.nelements, self.ntotal)) if self.is_sort1: ntimes = self.ntimes nelements = self.nelements else: ntimes = self.nelements nelements = self.ntimes dtype, idtype, fdtype = get_times_dtype(self.nonlinear_factor, self.size, self.analysis_fmt) self._times = zeros(ntimes, dtype=dtype) self.element = zeros(nelements, dtype='int32') # [max_shear, avg_shear] self.data = zeros((ntimes, nelements, 2), dtype='float32')
[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): # 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, in enumerate(self.element): t1 = self.data[itime, ieid, :] t2 = table.data[itime, ieid, :] (max_shear1, avg_shear1) = t1 (max_shear2, avg_shear2) = t2 if not allclose(t1, t2): #if not np.array_equal(t1, t2): msg += '%s\n (%s, %s)\n (%s, %s)\n' % ( eid, max_shear1, avg_shear1, max_shear2, avg_shear2) 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, max_shear, avg_shear): """ ELEMENT MAX AVG ELEMENT MAX AVG ID. SHEAR SHEAR ID. SHEAR SHEAR 328 1.721350E+03 1.570314E+03 """ self._times[self.itime] = dt self.element[self.ielement] = eid self.data[self.itime, self.ielement, :] = [max_shear, avg_shear] self.ielement += 1 def add_sort2(self, dt, eid, max_shear, avg_shear): """ ELEMENT MAX AVG ELEMENT MAX AVG ID. SHEAR SHEAR ID. SHEAR SHEAR 328 1.721350E+03 1.570314E+03 """ itime = self.ielement ielement = self.itotal self._times[itime] = dt self.element[ielement] = eid self.data[itime, ielement, :] = [max_shear, avg_shear] 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', ] nelements = self.nelements ntimes = self.ntimes #ntotal = 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' msg.append(' eType\n') headers = self.get_headers() n = len(headers) msg.append(' data: [%s, nnodes, %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_f06_header(self): raise NotImplementedError('CSHEAR...')
[docs] def write_f06(self, f06_file, header=None, page_stamp='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() # write the f06 ntimes = self.data.shape[0] eids = self.element is_odd = False nwrite = len(eids) if len(eids) % 2 == 1: nwrite -= 1 is_odd = True for itime in range(ntimes): dt = self._times[itime] # TODO: rename this... header = _eigenvalue_header(self, header, itime, ntimes, dt) f06_file.write(''.join(header + msg_temp)) #print("self.data.shape=%s itime=%s ieids=%s" % (str(self.data.shape), itime, str(ieids))) max_shear = self.data[itime, :, 0] avg_shear = self.data[itime, :, 1] out = [] for eid, max_sheari, avg_sheari in zip(eids, max_shear, avg_shear): #[max_sheari, avg_sheari] = write_floats_13e([max_sheari, avg_sheari]) out.append([eid, max_sheari, avg_sheari]) for i in range(0, nwrite, 2): f06_file.write(' %8i %13s %13s %8i %13s %s\n' % ( tuple(out[i] + out[i + 1]))) if is_odd: f06_file.write(' %8i %13s %s\n' % tuple(out[-1])) f06_file.write(page_stamp % page_num) page_num += 1 return page_num - 1
[docs]class RandomShearStressArray(RandomShearArray, StressObject): def __init__(self, data_code, is_sort1, isubcase, dt): RandomShearArray.__init__(self, data_code, is_sort1, isubcase, dt) StressObject.__init__(self, data_code, isubcase)
[docs] def get_headers(self) -> List[str]: headers = ['max_shear', 'avg_shear'] return headers
[docs] def get_f06_header(self): msg = [ ' S T R E S S E S I N S H E A R P A N E L S ( C S H E A R )\n' ' ELEMENT MAX AVG ELEMENT MAX AVG \n' ' ID. SHEAR SHEAR ID. SHEAR SHEAR\n' #' 328 1.721350E+03 1.570314E+03 ] return msg
[docs]class RandomShearStrainArray(RandomShearArray, StrainObject): def __init__(self, data_code, is_sort1, isubcase, dt): RandomShearArray.__init__(self, data_code, is_sort1, isubcase, dt) StrainObject.__init__(self, data_code, isubcase)
[docs] def get_headers(self) -> List[str]: headers = ['max_shear', 'avg_shear'] return headers
[docs] def get_f06_header(self): assert self.table_name in [], self.table_name msg = [ ' S T R A I N S I N S H E A R P A N E L S ( C S H E A R )\n' ' ELEMENT MAX AVG ELEMENT MAX AVG \n' ' ID. SHEAR SHEAR ID. SHEAR SHEAR\n' #' 328 1.721350E+03 1.570314E+03 7.2E+01' ] return msg