Aircraft Design and Structures

7.

Fatigue and Fracture Mechanics

7.1.

Fatigue Analysis

7.1.1.

7.1.2.

Goodman Diagram

7.1.3.

Miner's Rule for Cumulative Damage

7.1.4.

Stress Concentrations

7.1.4.1.

7.1.4.2.

7.1.4.3.

7.2.

Fracture Mechanics

7.2.1.

Stress Intensity Factor

7.2.2.

Crack Propagation Analysis

7.2.2.1.

7.2.2.2.

Threshold Stress Intensity

7.2.3.

Damage Tolerance Philosophy

7.2.3.1.

Inspection Intervals

7.2.3.2.

Crack Growth Allowance

7.2.4.

Safe-Life Design

7.2.5.

Fail-Safe Design

7.2.5.1.

Design Approaches

7.2.5.2.

Redundancy Features

7.2.5.3.

Crack Arrest Features

7.3.

Non-Destructive Testing and Inspection

7.3.1.

Visual Inspection

7.3.2.

Ultrasonic Testing

7.3.3.

X-ray Inspection

7.3.4.

Eddy Current Testing

7.3.5.

Dye Penetrant Testing

7.3.6.

Magnetic Particle Inspection

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6. Structural Dynamics and Aeroelasticity

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8. Structural Testing and Certification