Fatigue Analysis
When to Use This Skill
Use fatigue analysis when:
- Mooring line fatigue - Calculate fatigue life of mooring components
- Riser fatigue - Analyze fatigue damage in flexible and rigid risers
- Structural fatigue - Assess fatigue in hull, joints, connections
- S-N curve analysis - Apply appropriate fatigue curves
- Rainflow counting - Process stress/load time series
- Miner's rule - Cumulative damage calculation
- Fatigue design - Size components for target life
Resources
- DNV-RP-C203: Fatigue Design of Offshore Steel Structures
- DNV-OS-E301: Position Mooring (Section 7: Fatigue)
- API RP 2SK: Design and Analysis of Stationkeeping Systems for Floating Structures
- ASTM E1049: Standard Practices for Cycle Counting in Fatigue Analysis
- BS 7608: Code of Practice for Fatigue Design and Assessment of Steel Structures
Use this skill for all fatigue analysis in DigitalModel!
Sub-Skills
- 1. S-N Curve Fundamentals
- 2. Rainflow Counting (+1)
- 4. Spectral Fatigue Analysis (+1)
- Example 1: Complete Fatigue Assessment