2022

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Tutorials
Discover OptiStruct functionality with interactive tutorials.
HyperMesh Tutorials
Tutorials using HyperMesh.
Fatigue Analysis
OS-T: 6040 Spot Weld Fatigue
In this tutorial an additional subcase will be created to calculate the Spot Weld Fatigue by the RUPP method.

What's New
Overview
Tutorials
User Guide
Reference Guide
Example Guide
Verification Problems
Frequently Asked Questions

2022

What's New
View new features for OptiStruct 2022.
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.
Tutorials
Discover OptiStruct functionality with interactive tutorials.
- Access the Model Files
  Learn how to access and download required model files.
- Run OptiStruct at the Command Line
- HyperMesh Tutorials
  Tutorials using HyperMesh.
  - Run OptiStruct from HyperMesh
  - Basic Small Displacement Finite Element Analysis
  - Advanced Small Displacement Finite Element Analysis
  - Large Displacement Finite Element Analysis
  - Fluid-Structure Interaction Analysis
  - Multibody Dynamics Analysis
  - Topology Optimization
  - Topography Optimization
  - Combination Optimization
  - Size Optimization
  - Shape Optimization
  - Fatigue Analysis
    - OS-T: 6010 Multiaxial Fatigue Analysis (Damage Calculation) using S-N Approach
      In Multiaxial Fatigue Analysis, OptiStruct uses the stress tensor directly to calculate damage.
    - OS-T: 6020 Multiaxial Fatigue Analysis (Strain - Life) using E-N Approach
      The E-N (Strain - Life) approach should be chosen to predict the fatigue life when plastic strain occurs under the given cyclic loading.
    - OS-T: 6030 Seam Weld Fatigue
    - OS-T: 6040 Spot Weld Fatigue
      In this tutorial an additional subcase will be created to calculate the Spot Weld Fatigue by the RUPP method.
      - Spot Weld Fatigue using S-N Method
      - Spot Weld Fatigue (FPM) using S-N Method
    - OS-T: 6050 Dang Van Criterion (Factor of Safety)
      The Dang Van criterion is used to predict if a component will fail in its entire load history.
    - OS-T: 6060 Random Response Fatigue Analysis
      The study of fatigue life of a structure subjected to non-deterministic loads.
    - OS-T: 6070 Random Response Fatigue Analysis (EN Fatigue)
      The study of Fatigue life of a structure subjected to non-deterministic loads.
    - OS-T: 6080 Sine Sweep Fatigue Analysis (SN Damage)
      This tutorial provides an overview of fatigue life of structures under Sinusoidal Loading,
    - OS-T: 6090 Sine Sweep Fatigue Analysis (EN Damage)
      This tutorial provides an overview of fatigue life of structures under Sinusoidal Loading.
    - OS-T: 6100 Seam Weld Fatigue with RPC-based Load History Input using Fatigue Process Manager (FPM)
      The method is a hot-spot stress approach applicable to thin metal sheets.
  - Nonlinear Explicit Analysis
    This section presents nonlinear explicit analysis examples generated using OptiStruct. Each example uses a problem description, execution procedures, and results to demonstrate how OptiStruct is used.
  - Aeroelastic Analysis
  - Third Party Interface
- SimLab Tutorials
  Video tutorials using SimLab.
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.

View All Altair Simulation Help

2022

Home
Tutorials
Discover OptiStruct functionality with interactive tutorials.
HyperMesh Tutorials
Tutorials using HyperMesh.
Fatigue Analysis
OS-T: 6040 Spot Weld Fatigue
In this tutorial an additional subcase will be created to calculate the Spot Weld Fatigue by the RUPP method.

What's New
Overview
Tutorials
User Guide
Reference Guide
Example Guide
Verification Problems
Frequently Asked Questions

OS-T: 6040 Spot Weld Fatigue

In this tutorial an additional subcase will be created to calculate the Spot Weld Fatigue by the RUPP method.

Spot Weld Fatigue using S-N Method
Spot Weld Fatigue (FPM) using S-N Method

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