Source code for pyNastran.op2.tables.oes_stressStrain.real.oes_plates

# coding: utf-8
#pylint disable=C0103
from __future__ import (nested_scopes, generators, division, absolute_import,
                        print_function, unicode_literals)
from itertools import count
import numpy as np

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_13e, _eigenvalue_header


[docs]class RealPlateArray(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: #pass #else: #raise NotImplementedError('SORT2') @property def is_real(self): return True @property def is_complex(self): return False @property def nnodes_per_element(self): if self.element_type in [33, 74, 83, 227, 228]: nnodes_per_element = 1 elif self.element_type == 144: nnodes_per_element = 5 elif self.element_type == 64: # CQUAD8 nnodes_per_element = 5 elif self.element_type == 82: # CQUADR nnodes_per_element = 5 elif self.element_type == 70: # CTRIAR nnodes_per_element = 4 elif self.element_type == 75: # CTRIA6 nnodes_per_element = 4 else: raise NotImplementedError('name=%r type=%s' % (self.element_name, self.element_type)) return nnodes_per_element def _reset_indices(self): self.itotal = 0 self.ielement = 0
[docs] def get_headers(self): raise NotImplementedError('%s needs to implement get_headers' % self.__class__.__name__)
[docs] def is_bilinear(self): if self.element_type in [33, 74]: # CQUAD4, CTRIA3 return False elif self.element_type in [144, 64, 82, 70, 75]: # CQUAD4 return True else: raise NotImplementedError('name=%s type=%s' % (self.element_name, self.element_type))
[docs] def build(self): """sizes the vectorized attributes of the RealPlateArray""" #print("self.ielement = %s" % 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 = [] nnodes_per_element = self.nnodes_per_element #print('nnodes_per_element[%s, %s] = %s' % ( #self.isubcase, self.element_type, nnodes_per_element)) self.nnodes = nnodes_per_element #self.nelements //= nnodes_per_element self.nelements //= self.ntimes self.itime = 0 self.ielement = 0 self.itotal = 0 #self.ntimes = 0 #self.nelements = 0 self.is_built = True #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 = 'float32' if isinstance(self.nonlinear_factor, integer_types): dtype = 'int32' _times = np.zeros(self.ntimes, dtype=dtype) element_node = np.zeros((self.ntotal, 2), dtype='int32') #[fiber_dist, oxx, oyy, txy, angle, majorP, minorP, ovm] data = np.zeros((self.ntimes, self.ntotal, 8), dtype='float32') 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.data = group.create_dataset('data', data=data) else: self._times = _times self.element_node = element_node self.data = data
[docs] def build_dataframe(self): """creates a pandas dataframe""" import pandas as pd headers = self.get_headers() nelements = self.element_node.shape[0] // 2 if self.is_fiber_distance: fiber_distance = ['Top', 'Bottom'] * nelements else: fiber_distance = ['Mean', 'Curvature'] * nelements fd = np.array(fiber_distance, dtype='unicode') element_node = [self.element_node[:, 0], self.element_node[:, 1], fd] 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', 'Location', 'Item'] else: # option B - nice! df1 = pd.DataFrame(element_node).T df1.columns = ['ElementID', 'NodeID', 'Location'] df2 = pd.DataFrame(self.data[0]) df2.columns = headers self.data_frame = df1.join(df2) self.data_frame = self.data_frame.reset_index().replace( {'NodeID': {0:'CEN'}}).set_index(['ElementID', 'NodeID', 'Location'])
#print(self.data_frame) def __eq__(self, table): 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()) i = 0 for itime in range(self.ntimes): for ie, element_nodei in enumerate(self.element_node): (eid, nid) = element_nodei t1 = self.data[itime, ie, :] t2 = table.data[itime, ie, :] (fiber_dist1, oxx1, oyy1, txy1, angle1, major_p1, minor_p1, ovm1) = t1 (fiber_dist2, oxx2, oyy2, txy2, angle2, major_p2, minor_p2, 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)\n' % ( eid, nid, fiber_dist1, oxx1, oyy1, txy1, angle1, major_p1, minor_p1, ovm1, fiber_dist2, oxx2, oyy2, txy2, angle2, major_p2, minor_p2, 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, dt, eid, node_id, fiber_dist, oxx, oyy, txy, angle, major_principal, minor_principal, ovm): assert isinstance(eid, integer_types), eid assert isinstance(node_id, integer_types), node_id self._times[self.itime] = dt #assert self.itotal == 0, oxx self.element_node[self.itotal, :] = [eid, node_id] self.data[self.itime, self.itotal, :] = [fiber_dist, oxx, oyy, txy, angle, major_principal, minor_principal, ovm] self.itotal += 1 self.ielement += 1
[docs] def add_new_node_sort1(self, dt, eid, node_id, fiber_dist, oxx, oyy, txy, angle, major_principal, minor_principal, ovm): self.add_sort1(dt, eid, node_id, fiber_dist, oxx, oyy, txy, angle, major_principal, minor_principal, ovm)
def add_sort1(self, dt, eid, node_id, fiber_dist, oxx, oyy, txy, angle, major_principal, minor_principal, ovm): assert eid is not None, eid assert isinstance(eid, integer_types) and eid > 0, 'dt=%s eid=%s' % (dt, eid) assert isinstance(node_id, integer_types), node_id self.element_node[self.itotal, :] = [eid, node_id] self.data[self.itime, self.itotal, :] = [fiber_dist, oxx, oyy, txy, angle, major_principal, minor_principal, ovm] self.itotal += 1
[docs] def get_stats(self, short=False): if not self.is_built: return [ '<%s>\n' % self.__class__.__name__, ' ntimes: %i\n' % self.ntimes, ' ntotal: %i\n' % self.ntotal, ] 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 msgi = ' type=%s ntimes=%i nelements=%i nnodes_per_element=%i nlayers=%i ntotal=%i\n' % ( self.__class__.__name__, ntimes, nelements, nnodes, nlayers, ntotal) ntimes_word = 'ntimes' else: msgi = ' type=%s nelements=%i nnodes_per_element=%i nlayers=%i ntotal=%i\n' % ( self.__class__.__name__, nelements, nnodes, nlayers, ntotal) ntimes_word = '1' msg.append(msgi) 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_node.shape = %s\n' % str(self.element_node.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.append(' s_code: %s\n' % self.s_code) msg += self.get_data_code() return msg
[docs] def get_element_index(self, eids): # elements are always sorted; nodes are not itot = np.searchsorted(eids, self.element_node[:, 0]) #[0] return itot
[docs] def eid_to_element_node_index(self, eids): ind = np.ravel([np.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, nnodes, cen = _get_plate_msg(self) # write the f06 ntimes = self.data.shape[0] eids = self.element_node[:, 0] nids = self.element_node[:, 1] #cen_word = 'CEN/%i' % nnodes cen_word = cen 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))) #[fiber_dist, oxx, oyy, txy, angle, majorP, minorP, ovm] fiber_dist = self.data[itime, :, 0] oxx = self.data[itime, :, 1] oyy = self.data[itime, :, 2] txy = self.data[itime, :, 3] angle = self.data[itime, :, 4] major_principal = self.data[itime, :, 5] minor_principal = self.data[itime, :, 6] ovm = self.data[itime, :, 7] is_linear = self.element_type in {33, 74, 227, 228, 83} is_bilinear = self.element_type in {64, 70, 75, 82, 144} for (i, eid, nid, fdi, oxxi, oyyi, txyi, anglei, major, minor, ovmi) in zip( count(), eids, nids, fiber_dist, oxx, oyy, txy, angle, major_principal, minor_principal, ovm): [fdi, oxxi, oyyi, txyi, major, minor, ovmi] = write_floats_13e( [fdi, oxxi, oyyi, txyi, major, minor, ovmi]) ilayer = i % 2 # tria3 if is_linear: # CQUAD4, CTRIA3, CTRIAR linear, CQUADR linear if ilayer == 0: f06_file.write('0 %6i %-13s %-13s %-13s %-13s %8.4f %-13s %-13s %s\n' % ( eid, fdi, oxxi, oyyi, txyi, anglei, major, minor, ovmi)) else: f06_file.write(' %6s %-13s %-13s %-13s %-13s %8.4f %-13s %-13s %s\n' % ( '', fdi, oxxi, oyyi, txyi, anglei, major, minor, ovmi)) elif is_bilinear: # CQUAD8, CTRIAR, CTRIA6, CQUADR, CQUAD4 # bilinear if nid == 0 and ilayer == 0: # CEN f06_file.write('0 %8i %8s %-13s %-13s %-13s %-13s %8.4f %-13s %-13s %s\n' % ( eid, cen_word, fdi, oxxi, oyyi, txyi, anglei, major, minor, ovmi)) elif ilayer == 0: f06_file.write(' %8s %8i %-13s %-13s %-13s %-13s %8.4f %-13s %-13s %s\n' % ( '', nid, fdi, oxxi, oyyi, txyi, anglei, major, minor, ovmi)) elif ilayer == 1: f06_file.write(' %8s %8s %-13s %-13s %-13s %-13s %8.4f %-13s %-13s %s\n\n' % ( '', '', fdi, oxxi, oyyi, txyi, anglei, major, minor, ovmi)) else: # pragma: no cover msg = 'element_name=%s self.element_type=%s' % ( self.element_name, self.element_type) raise NotImplementedError(msg) f06_file.write(page_stamp % page_num) page_num += 1 return page_num - 1
[docs] def get_nnodes_bilinear(self): """gets the number of nodes and whether or not the element has bilinear results""" is_bilinear = False if self.element_type == 74: nnodes = 3 elif self.element_type == 33: nnodes = 4 elif self.element_type == 144: nnodes = 4 is_bilinear = True elif self.element_type == 82: # CQUADR nnodes = 4 is_bilinear = True elif self.element_type == 64: # CQUAD8 nnodes = 4 is_bilinear = True elif self.element_type == 75: # CTRIA6 nnodes = 3 is_bilinear = True elif self.element_type == 70: # CTRIAR nnodes = 3 is_bilinear = True else: raise NotImplementedError('name=%s type=%s' % (self.element_name, self.element_type)) return nnodes, is_bilinear
[docs] def write_op2(self, op2, 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('%s.write_op2: %s\n' % (self.__class__.__name__, call_frame[1][3])) if itable == -1: self._write_table_header(op2, op2_ascii, date) itable = -3 nnodes, is_bilinear = self.get_nnodes_bilinear() if is_bilinear: nnodes_all = nnodes + 1 ntotal = 2 + 17 * nnodes_all else: nnodes_all = nnodes #print("nnodes_all =", nnodes_all) cen_word_ascii = 'CEN/%i' % nnodes cen_word = b'CEN/%i' % nnodes #msg.append(' element_node.shape = %s\n' % str(self.element_node.shape).replace('L', '')) #msg.append(' data.shape=%s\n' % str(self.data.shape).replace('L', '')) eids = self.element_node[:, 0] nids = self.element_node[:, 1] eids_device = eids * 10 + self.device_code nelements = len(np.unique(eids)) #print('nelements =', nelements) # 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 nnodes > 1, nnodes #assert self.ntimes == 1, self.ntimes device_code = self.device_code op2_ascii.write(' ntimes = %s\n' % self.ntimes) #fmt = '%2i %6f' #print('ntotal=%s' % (ntotal)) #assert ntotal == 193, ntotal #[fiber_dist, oxx, oyy, txy, angle, majorP, minorP, ovm] op2_ascii.write(' #elementi = [eid_device, fd1, sx1, sy1, txy1, angle1, major1, minor1, vm1,\n') op2_ascii.write(' # fd2, sx2, sy2, txy2, angle2, major2, minor2, vm2,]\n') if self.is_sort1: struct1 = Struct(endian + b'i16f') else: raise NotImplementedError('SORT2') op2_ascii.write('nelements=%i\n' % nelements) for itime in range(self.ntimes): self._write_table_3(op2, 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.write(pack('%ii' % len(header), *header)) op2_ascii.write('r4 [4, 0, 4]\n') op2_ascii.write('r4 [4, %s, 4]\n' % (itable)) op2_ascii.write('r4 [4, %i, 4]\n' % (4 * ntotal)) fiber_dist = self.data[itime, :, 0] oxx = self.data[itime, :, 1] oyy = self.data[itime, :, 2] txy = self.data[itime, :, 3] angle = self.data[itime, :, 4] major_principal = self.data[itime, :, 5] minor_principal = self.data[itime, :, 6] ovm = self.data[itime, :, 7] nwide = 0 for (i, eid_device, eid, nid, fdi, oxxi, oyyi, txyi, anglei, major, minor, ovmi) in zip( count(), eids_device, eids, nids, fiber_dist, oxx, oyy, txy, angle, major_principal, minor_principal, ovm): #[fdi, oxxi, oyyi, txyi, major, minor, ovmi] = write_floats_13e( #[fdi, oxxi, oyyi, txyi, major, minor, ovmi]) ilayer = i % 2 # tria3 if self.element_type in [33, 74]: # CQUAD4, CTRIA3 if ilayer == 0: #print([eid, fdi, oxxi, oyyi, txyi, anglei, major, minor, ovmi]) data = [eid_device, fdi, oxxi, oyyi, txyi, anglei, major, minor, ovmi] op2.write(pack('i8f', *data)) op2_ascii.write('eid=%s ilayer=0 data=%s' % (eid, str(data[1:]))) else: data = [fdi, oxxi, oyyi, txyi, anglei, major, minor, ovmi] op2.write(pack('8f', *data)) op2_ascii.write('eid=%s ilayer=1 data=%s' % (eid, str(data[1:]))) #print('eid=%-2s ilayer=%s data=%s' % (eid_device, ilayer, str(data[1:]))) elif self.element_type in [64, 70, 75, 82, 144]: # CQUAD8, CTRIAR, CTRIA6, CQUADR, CQUAD4 # bilinear if nid == 0 and ilayer == 0: # CEN #print() data = [eid_device, cen_word, nid, fdi, oxxi, oyyi, txyi, anglei, major, minor, ovmi] op2.write(pack('i 4s i 8f', *data)) op2_ascii.write('0 %8i %8s %-13s %-13s %-13s %-13s %8.4f %-13s %-13s %s\n' % ( eid, cen_word_ascii, fdi, oxxi, oyyi, txyi, anglei, major, minor, ovmi)) elif ilayer == 0: data = [nid, fdi, oxxi, oyyi, txyi, anglei, major, minor, ovmi] op2.write(pack('i 8f', *data)) op2_ascii.write(' %8s %8i %-13s %-13s %-13s %-13s %8.4f %-13s %-13s %s\n' % ( '', nid, fdi, oxxi, oyyi, txyi, anglei, major, minor, ovmi)) elif ilayer == 1: data = [fdi, oxxi, oyyi, txyi, anglei, major, minor, ovmi] op2.write(pack('8f', *data)) op2_ascii.write(' %8s %8s %-13s %-13s %-13s %-13s %8.4f %-13s %-13s %s\n\n' % ( '', '', fdi, oxxi, oyyi, txyi, anglei, major, minor, ovmi)) else: # pragma: no cover raise RuntimeError() #print('eid=%-2s nid=%s ilayer=%s data=%s' % (eid, nid, ilayer, str(data[1:]))) else: msg = 'element_name=%s self.element_type=%s' % ( self.element_name, self.element_type) raise NotImplementedError(msg) nwide += len(data) assert nwide == ntotal, "nwide=%s ntotal=%s" % (nwide, ntotal) itable -= 1 header = [4 * ntotal,] op2.write(pack('i', *header)) op2_ascii.write('footer = %s\n' % header) new_result = False return itable
[docs]class RealPlateStressArray(RealPlateArray, StressObject): def __init__(self, data_code, is_sort1, isubcase, dt): RealPlateArray.__init__(self, data_code, is_sort1, isubcase, dt) StressObject.__init__(self, data_code, isubcase)
[docs] def get_headers(self): if self.is_fiber_distance: fiber_dist = 'fiber_distance' else: fiber_dist = 'fiber_curvature' if self.is_von_mises: ovm = 'von_mises' else: ovm = 'max_shear' headers = [fiber_dist, 'oxx', 'oyy', 'txy', 'angle', 'omax', 'omin', ovm] return headers
[docs]class RealPlateStrainArray(RealPlateArray, StrainObject): """ used for: - RealPlateStressArray - RealPlateStrainArray """ def __init__(self, data_code, is_sort1, isubcase, dt): RealPlateArray.__init__(self, data_code, is_sort1, isubcase, dt) StrainObject.__init__(self, data_code, isubcase)
[docs] def get_headers(self): fiber_dist = 'fiber_distance' if self.is_fiber_distance else 'fiber_curvature' ovm = 'von_mises' if self.is_von_mises else 'max_shear' headers = [fiber_dist, 'exx', 'eyy', 'exy', 'angle', 'emax', 'emin', ovm] return headers
def _get_plate_msg(self): von_mises = 'VON MISES' if self.is_von_mises else 'MAX SHEAR' if self.is_stress: if self.is_fiber_distance: quad_msg_temp = [' ELEMENT FIBER STRESSES IN ELEMENT COORD SYSTEM PRINCIPAL STRESSES (ZERO SHEAR) \n', ' ID GRID-ID DISTANCE NORMAL-X NORMAL-Y SHEAR-XY ANGLE MAJOR MINOR %s \n' % von_mises] tri_msg_temp = [' ELEMENT FIBER STRESSES IN ELEMENT COORD SYSTEM PRINCIPAL STRESSES (ZERO SHEAR) \n', ' ID. DISTANCE NORMAL-X NORMAL-Y SHEAR-XY ANGLE MAJOR MINOR %s\n' % von_mises] else: quad_msg_temp = [' ELEMENT FIBER STRESSES IN ELEMENT COORD SYSTEM PRINCIPAL STRESSES (ZERO SHEAR) \n', ' ID GRID-ID CURVATURE NORMAL-X NORMAL-Y SHEAR-XY ANGLE MAJOR MINOR %s \n' % von_mises] tri_msg_temp = [' ELEMENT FIBER STRESSES IN ELEMENT COORD SYSTEM PRINCIPAL STRESSES (ZERO SHEAR) \n', ' ID. CURVATURE NORMAL-X NORMAL-Y SHEAR-XY ANGLE MAJOR MINOR %s\n' % von_mises] #is_bilinear = False cquad4_msg = [' S T R E S S E S I N Q U A D R I L A T E R A L E L E M E N T S ( Q U A D 4 )\n'] + tri_msg_temp cquad8_msg = [' S T R E S S E S I N Q U A D R I L A T E R A L E L E M E N T S ( Q U A D 8 )\n'] + tri_msg_temp cquadr_msg = [' S T R E S S E S I N Q U A D R I L A T E R A L E L E M E N T S ( Q U A D R )\n'] + tri_msg_temp ## TODO: can cquad8s be bilinear??? #is_bilinear = True #cquadr_bilinear_msg = [' S T R E S S E S I N Q U A D R I L A T E R A L E L E M E N T S ( Q U A D R ) OPTION = BILIN \n \n'] + quad_msg_temp cquad4_bilinear_msg = [' S T R E S S E S I N Q U A D R I L A T E R A L E L E M E N T S ( Q U A D 4 ) OPTION = BILIN \n \n'] + quad_msg_temp #is_bilinear = False ctria3_msg = [' S T R E S S E S I N T R I A N G U L A R E L E M E N T S ( T R I A 3 )\n'] + tri_msg_temp ctria6_msg = [' S T R E S S E S I N T R I A N G U L A R E L E M E N T S ( T R I A 6 )\n'] + tri_msg_temp ctriar_msg = [' S T R E S S E S I N T R I A N G U L A R E L E M E N T S ( T R I A R )\n'] + tri_msg_temp else: if self.is_fiber_distance: quad_msg_temp = [' ELEMENT STRAIN STRAINS IN ELEMENT COORD SYSTEM PRINCIPAL STRAINS (ZERO SHEAR) \n', ' ID GRID-ID DISTANCE NORMAL-X NORMAL-Y SHEAR-XY ANGLE MAJOR MINOR %s \n' % von_mises] tri_msg_temp = [' ELEMENT FIBER STRAINS IN ELEMENT COORD SYSTEM PRINCIPAL STRAINS (ZERO SHEAR) \n', ' ID. DISTANCE NORMAL-X NORMAL-Y SHEAR-XY ANGLE MAJOR MINOR %s\n' % von_mises] else: quad_msg_temp = [' ELEMENT STRAIN STRAINS IN ELEMENT COORD SYSTEM PRINCIPAL STRAINS (ZERO SHEAR) \n', ' ID GRID-ID CURVATURE NORMAL-X NORMAL-Y SHEAR-XY ANGLE MAJOR MINOR %s \n' % von_mises] tri_msg_temp = [' ELEMENT STRAIN STRAINS IN ELEMENT COORD SYSTEM PRINCIPAL STRAINS (ZERO SHEAR) \n', ' ID. CURVATURE NORMAL-X NORMAL-Y SHEAR-XY ANGLE MAJOR MINOR %s\n' % von_mises] #is_bilinear = False cquad4_msg = [' S T R A I N S I N Q U A D R I L A T E R A L E L E M E N T S ( Q U A D 4 )\n'] + tri_msg_temp cquad8_msg = [' S T R A I N S I N Q U A D R I L A T E R A L E L E M E N T S ( Q U A D 8 )\n'] + tri_msg_temp cquadr_msg = [' S T R A I N S I N Q U A D R I L A T E R A L E L E M E N T S ( Q U A D R )\n'] + tri_msg_temp ## TODO: can cquad8s be bilinear??? #cquadr_bilinear_msg = [' S T R A I N S I N Q U A D R I L A T E R A L E L E M E N T S ( Q U A D R ) OPTION = BILIN \n \n'] + quad_msg_temp cquad4_bilinear_msg = [' S T R A I N S I N Q U A D R I L A T E R A L E L E M E N T S ( Q U A D 4 ) OPTION = BILIN \n \n'] + quad_msg_temp cquadr_msg = [' S T R A I N S I N Q U A D R I L A T E R A L E L E M E N T S ( Q U A D R )\n'] + tri_msg_temp ctria3_msg = [' S T R A I N S I N T R I A N G U L A R E L E M E N T S ( T R I A 3 )\n'] + tri_msg_temp ctria6_msg = [' S T R A I N S I N T R I A N G U L A R E L E M E N T S ( T R I A 6 )\n'] + tri_msg_temp ctriar_msg = [' S T R A I N S I N T R I A N G U L A R E L E M E N T S ( T R I A R )\n'] + tri_msg_temp #is_bilinear = False if self.element_type == 74: msg = ctria3_msg nnodes = 3 cen = 'CEN/3' elif self.element_type == 33: msg = cquad4_msg nnodes = 4 cen = 'CEN/4' elif self.element_type == 144: msg = cquad4_bilinear_msg nnodes = 4 #is_bilinear = True cen = 'CEN/4' elif self.element_type == 82: # CQUADR msg = cquadr_msg nnodes = 4 #is_bilinear = True cen = 'CEN/4' elif self.element_type == 64: # CQUAD8 msg = cquad8_msg nnodes = 4 #is_bilinear = True cen = 'CEN/8' elif self.element_type == 75: # CTRIA6 msg = ctria6_msg nnodes = 3 #is_bilinear = True cen = 'CEN/6' elif self.element_type == 70: # CTRIAR msg = ctriar_msg nnodes = 3 #is_bilinear = True cen = 'CEN/3' else: raise NotImplementedError('name=%s type=%s' % (self.element_name, self.element_type)) return msg, nnodes, cen