Altair OptiStruct Online Help

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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.
Nonlinear Small Displacement Analysis

What's New
Overview
Tutorials
User Guide
Reference Guide
Example Guide
Verification Problems
Frequently Asked Questions
HyperWorks Solver Run Manager

Index

Altair OptiStruct Online Help

What's New
View new features for OptiStruct 2020.
Overview
OptiStruct^® is an industry proven, modern structural analysis solver for linear and nonlinear structural problems under static and dynamic loadings.
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.
- Access the Model Files
  Required model files for the models you build.
- Nonlinear Small Displacement Analysis
  - OS-E: 0010 Wheel Rail Interface using Fast Contact
    Demonstrates the use of Fast Contact (FASTCONT). The Wheel Rail interface model is used for meshing using only hexahedral elements.
  - OS-E: 0015 Pretension Analysis using Gasket Material
    Structure quarter symmetric pipe model with pretension bolt and a gasket seal, demonstrates the usage of gasket material and gasket seal specific results for diagnostics.
  - OS-E: 0020 Inline-4 Engine Head
    The structural analyses of a cylinder head under various loading conditions can be accomplished by means of finite element analysis using OptiStruct. The results, combined with each analysis concerning the different operating processes of the engine, can be separated mainly into two parts.
- Nonlinear Large Displacement Analysis
- Nonlinear Transient Analysis
- Frequency Response Analysis
- Normal Modes Analysis
- Complex Eigenvalue Analysis
- Thermal and Heat Transfer Analysis
- Analysis Techniques
- Topology Optimization
  This section presents optimized topology examples generated using OptiStruct. Each example uses a problem description, execution procedures, and results to demonstrate how OptiStruct is used as a design concept tool.
- Size (Parameter) Optimization
  This section presents size (parameter) optimization examples solved using OptiStruct. Each example uses a problem description, execution procedures, and results to demonstrate how OptiStruct is used in size optimization.
- Free-shape Optimization
- Shape Optimization
  This section presents shape optimization example problems, solved using OptiStruct. Each example uses a problem description, execution procedures and results to demonstrate how OptiStruct is used in shape optimization.
- Topography Optimization
  The examples in this section demonstrate how topography optimization generates both bead reinforcements in stamped plate structures and rib reinforcements for solid structures.
- ESLM Optimization
  The examples in this section demonstrate how the Equivalent Static Load Method (ESLM) can be used for the optimization of flexible bodies in multibody systems.
- Multiphysics
- Rotor Dynamics
- Response Spectrum
- Nonlinear Explicit Analysis
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.
HyperWorks Solver Run Manager
The HyperWorks Solver Run Manager is a unified utility that allows the user to start different HyperWorks Solvers.

View All Altair HyperWorks Help

Altair OptiStruct Online Help

Home
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.
Nonlinear Small Displacement Analysis

What's New
Overview
Tutorials
User Guide
Reference Guide
Example Guide
Verification Problems
Frequently Asked Questions
HyperWorks Solver Run Manager

Index

Nonlinear Small Displacement Analysis

OS-E: 0010 Wheel Rail Interface using Fast Contact
Demonstrates the use of Fast Contact (FASTCONT). The Wheel Rail interface model is used for meshing using only hexahedral elements.
OS-E: 0015 Pretension Analysis using Gasket Material
Structure quarter symmetric pipe model with pretension bolt and a gasket seal, demonstrates the usage of gasket material and gasket seal specific results for diagnostics.
OS-E: 0020 Inline-4 Engine Head
The structural analyses of a cylinder head under various loading conditions can be accomplished by means of finite element analysis using OptiStruct. The results, combined with each analysis concerning the different operating processes of the engine, can be separated mainly into two parts.

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