mode-superposition transient dynamic analysis
obtain the modal solution, 121
obtain the mode-superposition transient solution,
122
modes
mass matrix formulation, 44
number to expand, 43
number to extract, 43
prestress effects calculation, 44
residual vectory calculation, 44
monitor results in real time, 250
MPRS analysis, 173
multi-point response spectrum, 136
N
Newton-Raphson, 195
Newton-Raphson option, 14
Newton-Raphson options, 247
nodal forces and moments, 20
nodal solution listing format, 101
nonlinear analysis
tips and guidelines, 265
nonlinear behavior
causes, 194
nonlinear diagnostics, 267
nonlinear general beam sections, 443
nonlinear stabilization
activating, 259
artificial dashpot elements, 261
compared to arc-length method, 264
constant or reduced, 260
controlling, 259
energy dissipation ratio, 259
results checking, 262
tips and hints, 262
understanding, 258
nonlinear structural analysis
automatic time stepping, 270
buckling, 180
conservative vs. nonconservative, 197
creep, 210
example transient input, 256
geometric nonlinearities, 200
hyperelasticity, 202
interpolation of results, 252
introduction to, 193
levels of operation, 195
load directions, 198
material nonlinearities, 201
nonlinear elements, 257
swelling, 216
termination, 254
verifying results, 271
viscoelasticity, 215
viscoplasticity, 213
nonlinear transient analysis
procedure, 254
number of eigenvalues to be extracted, 183
number of harmonic solutions, 86
number of integration points per layer, 411
number of solutions to expand, 101O
obtain the modal solution, 97
offsets
for sections, 436, 461
output, 271
database and results file, 11, 87, 101, 113, 122, 126,
243
printed, 15, 87, 101, 122, 126, 251
output control, 87, 122
output controls, 47, 126, 183P
participation factor calculations, 47, 159
path dependency, 197
PCG Lanczos method, 41, 62
perturbation analysis, 287
phase angle for expansion, 101
phase angle of harmonic loads, 82
plastic, 201
plasticity, 270
rate-dependent, 213
plastics, 215
plotting
sections, 436, 461
POST1, 19, 88, 103, 118, 143, 145, 165, 186, 251, 424
using, 89, 119
POST26, 19, 88, 103, 118, 166, 251
using, 88, 118
postprocessing
fatigue, 423
for different analysis (see reviewing results)
power spectral density (PSD), 136
predictor, 246
predictor-corrector option, 12, 246
preintegrated composite beam sections, 445
preintegrated general shell sections, 465
pressure loads
in a large-deflection analysis, 198
prestress effects calculation, 14, 182
prestressed analysis
harmonic, 104
mode superposition harmonic, 105Release 15.0 - © SAS IP, Inc. All rights reserved. - Contains proprietary and confidential informationIndex