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Overview
OptiStruct is a proven, modern structural solver with comprehensive, accurate and scalable solutions for linear and nonlinear analyses across statics and dynamics, vibrations, acoustics, fatigue, heat transfer, and multiphysics disciplines.
Pre-process
Pre-processing tools must be used to prepare models for OptiStruct, Radioss, and MotionSolve. Altair HyperWorks provides specialized pre-processors interfacing with the solvers.

Welcome
What's New
View new features for OptiStruct 2024.
Overview
OptiStruct is a proven, modern structural solver with comprehensive, accurate and scalable solutions for linear and nonlinear analyses across statics and dynamics, vibrations, acoustics, fatigue, heat transfer, and multiphysics disciplines.
- Features
- Capabilities
  OptiStruct can be used to solve and optimize a wide variety of design problems in which the structural and system behavior can be simulated using finite element and multibody dynamics analysis.
- Formats
  OptiStruct supports the following input/output formats.
- Enhance the Design Process
- Pre-process
  Pre-processing tools must be used to prepare models for OptiStruct, Radioss, and MotionSolve. Altair HyperWorks provides specialized pre-processors interfacing with the solvers.
- Post-process
  Graphical tools must be used to visualize and evaluate the results of OptiStruct, Radioss, and MotionSolve. Altair HyperWorks provides HyperView, a specialized post-processor, for this.
Tutorials
Discover OptiStruct functionality with interactive tutorials.
User Guide
This manual provides detailed information regarding the features, functionality, and simulation methods available in OptiStruct.
Reference Guide
This manual provides a detailed list and usage information regarding input entries, output entries, and parameters available in OptiStruct.
Example Guide
The OptiStruct Example Guide is a collection of solved examples for various solution sequences and optimization types and provides you with examples of the real-world applications and capabilities of OptiStruct.
Verification Problems
This manual presents solved verification models including NAFEMS problems.
Frequently Asked Questions
This section provides quick responses to typical and frequently asked questions regarding OptiStruct.

Pre-process

Pre-processing tools must be used to prepare models for OptiStruct, Radioss, and MotionSolve. Altair HyperWorks provides specialized pre-processors interfacing with the solvers.

HyperMesh can be used to mesh and set up finite element simulations for OptiStruct and Radioss. Two user profiles are provided:

OptiStruct
Radioss (with sub-profiles for the different input formats)

HyperCrash is useful to set up finite element models for automotive crash simulation in Radioss. It provides a number of useful tools for dummy positioning and model interrogation that are not available in HyperMesh.

HyperForm is used to set up and execute sheet metal stamping simulations. Two user profiles are provided to run Radioss:

One_Step
Incremental_Radioss

MotionView is used to set up multibody dynamics models for MotionSolve. The respective SolverMode has to be chosen.