This course will introduce the principles of fatigue and fracture.
Course Objective
The course will introduce the principles of fatigue and fracture. The treatment of fatigue will focus on the S-N approach, provide insight into the Hot Spot stress method for weld toe fatigue and address methods for base metal fatigue. The treatment of fracture will focus on those principles required for Engineering Criticality Assessments (ECA) and the application of ECA to pipelines.
Course Features
Basics of Fatigue
• Fatigue failure modes
• Low and high cycle fatigue
• Fatigue rules
S-N Fatigue Analysis Approach
• Weld Toe Fatigue
- Fatigue based on nominal stresses
- Fatigue based on the Hot Spot stress method
>Surface extrapolation methods
>Nodal force based traction methods
• Base Metal Fatigue
- Fatigue based on local peak stresses
- Stress transfer functions and M-N methods
- Definitions of peak stress
• Deterministic and stochastic fatigue analysis
Fracture Mechanics
• Engineering Criticality Assessment
• Software demo on pipeline example
Who should attend
The course is designed for professionals involved in Construction, Design and Maintenance; Structures, Piping/ Pipelines and pressure vessels Design Engineering; Welding and inspection
