Practical Fatigue Theory

Learn the role of fatigue in product life through practical concepts

Course overview - 2 days

Practical Fatigue Theory is a technical concept course providing an introduction to fatigue analysis methods. You’ll learn about the physics of fatigue as a failure mode, and fatigue analysis methods such as stress-life, strain-life, and crack growth.


Learning objectives

  • Explore common fatigue analysis methods applicable to test and CAE-based fatigue calculations such as stress-life (SN), strain-life (EN) and crack growth 
  • Define basic procedures and assumptions 
  • Gain an in-depth understanding of practical applicability and concepts 
  • Understand what’s going on inside nCode fatigue analysis software

Topics included

  • Introduction to fatigue as a failure mode
  • The physics of fatigue
  • Overview of fatigue analysis methods
  • Stress-Life approach (SN)
  • Strain-Life approach (EN)
  • Multiaxial fatigue
  • Fracture mechanics and crack growth
  • Fatigue of welds
  • Fatigue and elevated temperature
  • Fatigue of composite and anisotropic materials
  • Applications and summary

Who should attend

The Practical Fatigue Theory course is aimed at engineers involved in structural durability, including fatigue life estimation, improvement or validation testing. As the course is conceptual in nature and not focused on building software proficiency, it is suitable for both software users and the broader engineering community. Engineering analysts will learn more about the durability-related tasks they are responsible for. 

Other engineers and managers will learn key points about the durability concepts and analyses they interact with. It is assumed that attendees are familiar with material behavior and general structural mechanics, typical of most practicing engineers

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