Aircraft Design and Structures

4.

Aircraft Loads Analysis

4.1.

Sources of Loads

4.1.1.

Aerodynamic Loads

4.1.1.1.

4.1.1.2.

4.1.1.3.

Pressure Distributions

4.1.2.

4.1.2.1.

Acceleration Loads

4.1.2.2.

Deceleration Loads

4.1.2.3.

Mass Distribution Effects

4.1.3.

Propulsion System Loads

4.1.3.1.

4.1.3.2.

Engine Mount Loads

4.1.4.

4.1.4.1.

4.1.4.2.

Landing Impact Loads

4.2.

4.2.1.

Maneuvering Loads

4.2.1.1.

4.2.1.1.1.

Load Factor Limits

4.2.1.1.2.

4.2.1.2.

Pull-up Maneuvers

4.2.1.3.

Push-over Maneuvers

4.2.1.4.

Rolling Maneuvers

4.2.1.5.

Yawing Maneuvers

4.2.2.

4.2.2.1.

Sharp-Edged Gusts

4.2.2.2.

Continuous Turbulence

4.2.2.3.

Regulatory Gust Criteria

4.2.3.

Pressurization Loads

4.2.3.1.

Cabin Pressure Differential

4.2.3.2.

Fuselage Hoop Stress

4.3.

4.3.1.

4.3.1.1.

4.3.1.2.

Horizontal Loads

4.3.1.3.

Energy Absorption

4.3.2.

Taxiing and Braking

4.3.2.1.

4.3.2.2.

4.3.3.

Towing and Jacking

4.3.3.1.

Ground Handling Loads

4.3.3.2.

Jacking Point Loads

4.4.

Load Paths and Structural Idealization

4.4.1.

Load Distribution in Airframe

4.4.1.1.

Primary Load Paths

4.4.1.2.

Secondary Load Paths

4.4.2.

Statically Determinate Structures

4.4.3.

Statically Indeterminate Structures

4.4.4.

4.4.4.1.

Point Mass Approximations

4.4.4.2.

Distributed Mass Models

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3. Fundamentals of Aircraft Structures

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5. Structural Analysis of Aircraft Components