File 
DRESP1 - Static Force Item Codes 
DRESP1 - Static Stress Item Codes for Bar Elements using PBARL, PBEAML Properties 
DRESP1 - Static Stress/Strain Item Codes 
DRESP1 - Static Stress/Strain Item Codes for Composites 
dresp2 
dresp3 
dscreen 
dshape 
dsize 
dtable 
DTI,UNITS 
dtpg 
dtpl 
dvgrid 
dvprel1 
dvprel2 
Dynamic Analysis of a Slider Crank with a Flexible Connecting Rod - OS-1210 
Dynamic Analysis of a Three-body Model Using OptiStruct - OS-1200 
echo 
Eigenvalue Maximization with Topography Optimization 
eigrl 
eigvname 
eigvretrieve 
eigvsave 
Elastic, Damper, and Mass Elements 
Element Quality Check 
elements 
elemqual 
Enhancing the Design Process 
ese 
Example Problems for Shape Optimization 
Example Problems for Size Optimization 
Example Problems for Topography Optimization 
Example Problems for Topography Optimization Using Pattern Grouping 
Example Problems for Topology Optimization 
Example Problems for Topology Optimization Using Minimum Member Size Control 
Examples for Multi-body Dynamics Analyses 
exclude 
External Responses 
Extrusion Constraints for Topology Optimization 
FAQs for Data Management 
FAQs for Error Messages 
FAQs for FEA Setup and Modeling 
FAQs for Optimization Problem Set Up 
FAQs for Post Processing and Result Output 
features 
Files Created by OptiStruct 
Finding the Installation Directory <install_directory> 
force 
force/elforce (I/O Option Section) 
force1 
format 
Formats 
Free Thin Square Plate 
Free-shape Optimization 
Free-size Optimization 
Free-sizing Nonlinear Gap Optimization on an Airplane Wing Rib - OS-4070 
freq 
freq1 
freq2 
freq3 
freq4 
freq5 
frequency 
Frequency Response Analysis 
Frequency Response Loads and Boundary Conditions 
Frequency Response Optimization of a Rectangular Plate - OS-2095 
Function Expressions 
gapprm 
GAPPRM, CHKRN 
GAPPRM, CKGPDIR 
GAPPRM, ERRMSG 
GAPPRM, GAPCMPL 
GAPPRM, GAPGPRJ 
GAPPRM, HMGAPST 
GAPPRM, PRTSW 
Generating a Flexible Body for use in Altair MotionSolve - OS-1230 
Generating and Evaluating a Design using Topology Optimization 
Geometry Recovery Utility - OSSmooth 
Glossary