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Modeling the Effect of Damage in Composite Structures: Simplified Approaches

Book Description

Comprehensively covers new and existing methods for the design and analysis of composites structures with damage present

  • Provides efficient and accurate approaches for analysing structures with holes and impact damage

  • Introduces a new methodology for fatigue analysis of composites

  • Provides design guidelines, and step by step descriptions of how to apply the methods, along with evaluation of their accuracy and applicability

  • Includes problems and exercises

  • Accompanied by a website hosting lecture slides and solutions

  • Table of Contents

    1. Aerospace Series List
    2. Title Page
    3. Copyright
    4. Series Preface
    5. Preface
    6. Chapter 1: Damage in Composite Structures: Notch Sensitivity
      1. 1.1 Introduction
      2. 1.2 Notch Insensitivity
      3. 1.3 ‘Complete’ Notch Sensitivity
      4. 1.4 Notch Sensitivity of Composite Materials
      5. Exercises
      6. References
    7. Chapter 2: Holes
      1. 2.1 Stresses around Holes
      2. 2.2 Using the Anisotropic Elasticity Solution to Predict Failure
      3. 2.3 The Role of the Damage Zone Created Near a Hole
      4. 2.4 Simplified Approaches to Predict Failure in Laminates with Holes: the Whitney–Nuismer Criteria
      5. 2.5 Other Approaches to Predict Failure of a Laminate with a Hole
      6. 2.6 Improved Whitney–Nuismer Approach
      7. 2.7 Application: Finding the Stacking Sequence Which Results in Good OHT Performance
      8. Exercises
      9. References
    8. Chapter 3: Cracks
      1. 3.1 Introduction
      2. 3.2 Modelling a Crack in a Composite Laminate
      3. 3.3 Finite-Width Effects
      4. 3.4 Other Approaches for Analysis of Cracks in Composites
      5. 3.5 Matrix Cracks
      6. Exercises
      7. References
    9. Chapter 4: Delaminations
      1. 4.1 Introduction
      2. 4.2 Relation to Inspection Methods and Criteria
      3. 4.3 Modelling Different Structural Details in the Presence of Delaminations
      4. 4.4 Strength of Materials Versus Fracture Mechanics – Use of Cohesive Elements
      5. Exercises
      6. References
    10. Chapter 5: Impact
      1. 5.1 Sources of Impact and General Implications for Design
      2. 5.2 Damage Resistance Versus Damage Tolerance
      3. 5.3 Modelling Impact Damage as a Hole
      4. 5.4 Modelling Impact Damage as a Delamination
      5. 5.5 Impact Damage Modelled as a Region of Reduced Stiffness
      6. 5.6 Application: Comparison of the Predictions of the Simpler Models with Test Results
      7. 5.7 Improved Model for Impact Damage Analysed as a Region of Reduced Stiffness
      8. Exercises
      9. References
    11. Chapter 6: Fatigue Life of Composite Structures: Analytical Models
      1. 6.1 Introduction
      2. 6.2 Needed Characteristics for an Analytical Model
      3. 6.3 Models for the Degradation of the Residual Strength
      4. 6.4 Model for the Cycles to Failure
      5. 6.5 Residual Strength and Wear-Out Model Predictions Compared to Test Results
      6. 6.6 A Proposal for the Complete Model: Accounting for Larger Scale Damage
      7. Exercises
      8. References
    12. Chapter 7: Effect of Damage in Composite Structures: Summary and Useful Design Guidelines
    13. Index
    14. End User License Agreement