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DTD Handbook

Handbook for Damage Tolerant Design

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    • Sections
      • 1. Introduction
      • 2. Fundamentals of Damage Tolerance
      • 3. Damage Size Characterizations
        • 0. Damage Size Characterizations
        • 1. NDI Demonstration of Crack Detection Capability
        • 2. Equivalent Initial Quality
          • 0. Equivalent Initial Quality
          • 1. Description of Equivalent Initial Quality Method
          • 2. Example Application of Equivalent Initial Quality Method
          • 3. Other Applications of Equivalent Flaw Size Distributions
            • 0. Other Applications of Equivalent Flaw Size Distributions
            • 1. Durability Analysis
            • 2. Risk Analysis
        • 3. Proof Test Determinations
        • 4. References
      • 4. Residual Strength
      • 5. Analysis Of Damage Growth
      • 6. Examples of Damage Tolerant Analyses
      • 7. Damage Tolerance Testing
      • 8. Force Management and Sustainment Engineering
      • 9. Structural Repairs
      • 10. Guidelines for Damage Tolerance Design and Fracture Control Planning
      • 11. Summary of Stress Intensity Factor Information
    • Examples

Section 3.2.3.0. Other Applications of Equivalent Flaw Size Distributions

The concept of a distribution of flaw sizes to model the physical condition of a population of structural details extends to areas other than manufacturing quality.  In particular, characterizing damage in terms of crack sizes has been applied to the demonstration of structural durability and the evaluation of structural failure probabilities in risk analyses.