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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.

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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.

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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.

OptiStruct has been built on over 25-years of innovation, and is used globally at industry-leading companies to drive design with optimization and validate structural performance.

Commercially introduced in 1994, Altair OptiStruct is a first-to-market simulation technology that seamlessly integrates structural optimization and analysis. OptiStruct solves both linear and nonlinear problems using an enhanced proprietary version of NASTRAN and a modern proprietary nonlinear formulation developed and maintained by Altair.

While some are still discovering how topology optimization and generative design can shape research projects, OptiStruct has been integral to the design of mass-produced parts. OptiStruct offers many other structural optimization methods and a broad range of essential manufacturing constraints for traditional processes, composites, and additive manufacturing.

Figure 1.