Mechanics of Aircraft Structures

Title Page
Copyright Page
Dedication Page
Preface to the Third Edition
Preface to the Second Edition
Preface to the First Edition
About the Companion Website
1 Characteristics of Aircraft Structures and Materials
	1.1 INTRODUCTION
	1.2 TYPES OF AIRCRAFT STRUCTURES
	1.3 BASIC STRUCTURAL ELEMENTS IN AIRCRAFT STRUCTURE
	1.4 AIRCRAFT MATERIALS
	PROBLEMS
2 Loads on Aircraft Structures
	2.1 INTRODUCTION
	2.2 BASIC STRUCTURAL ELEMENTS
	2.3 Wing and Fuselage
	PROBLEMS
3 Introduction to Elasticity
	3.1 INTRODUCTION
	3.2 CONCEPT OF DISPLACEMENT
	3.3 STRAIN
	3.4 STRESS
	3.5 EQUATIONS OF EQUILIBRIUM IN A UNIFORM STRESS FIELD
	3.6 EQUATIONS OF EQUILIBRIUM IN A NONUNIFORM STRESS FIELD
	3.7 STRESS VECTOR AND STRESS COMPONENTS RELATIONS
	3.8 PRINCIPAL STRESS
	3.9 SHEAR STRESS
	3.10 STRESS TRANSFORMATION
	3.11 LINEAR STRESS–STRAIN RELATIONS
	3.12 PLANE ELASTICITY
	3.13 FORMULATIONS BEYOND 2‐D PLANE ELASTICITY
	PROBLEMS
	REFERENCES
4 Torsion
	4.1 INTRODUCTION
	4.2 TORSION OF UNIFORM BARS WITH ARBITRARY CROSS‐SECTION
	4.3 BARS WITH CIRCULAR CROSS‐SECTIONS
	4.4 BARS WITH NARROW RECTANGULAR CROSS‐SECTIONS
	4.5 CLOSED SINGLE‐CELL THIN‐WALLED SECTIONS
	4.6 MULTICELL THIN‐WALLED SECTIONS
	4.7 WARPING IN OPEN THIN‐WALLED SECTIONS
	4.8 WARPING IN CLOSED THIN‐WALLED SECTIONS
	4.9 EFFECT OF END CONSTRAINTS
	PROBLEMS
	REFERENCES
5 Bending and Flexural Shear
	5.1 INTRODUCTION
	5.2 BERNOULLI–EULER BEAM THEORY
	5.3 STRUCTURAL IDEALIZATION
	5.4 TRANSVERSE SHEAR STRESS DUE TO TRANSVERSE FORCE IN SYMMETRIC SECTIONS
	5.5 TIMOSHENKO BEAM THEORY
	5.6 SAINT‐VENANT'S PRINCIPLE
	5.7 SHEAR LAG
	PROBLEMS
	REFERENCE
6 Flexural Shear Flow in Thin‐Walled Sections
	6.1 INTRODUCTION
	6.2 FLEXURAL SHEAR FLOW IN OPEN THIN‐WALLED SECTIONS
	6.3 SHEAR CENTER IN OPEN SECTIONS
	6.4 CLOSED THIN‐WALLED SECTIONS AND COMBINED FLEXURAL AND TORSIONAL SHEAR FLOW
	6.5 CLOSED MULTICELL SECTIONS
	PROBLEMS
7 Failure Criteria for Isotropic Materials
	7.1 INTRODUCTION
	7.2 STRENGTH CRITERIA FOR BRITTLE MATERIALS
	7.3 YIELD CRITERIA FOR DUCTILE MATERIALS
	7.4 FRACTURE MECHANICS
	7.5 STRESS INTENSITY FACTOR
	7.6 EFFECT OF CRACK TIP PLASTICITY
	7.7 FATIGUE FAILURE
	7.8 FATIGUE CRACK GROWTH
	PROBLEMS
	REFERENCES
8 Elastic Buckling
	8.1 INTRODUCTION
	8.2 ECCENTRICALLY LOADED BEAM‐COLUMN
	8.3 ELASTIC BUCKLING OF STRAIGHT BARS
	8.4 INITIAL IMPERFECTION
	8.5 POSTBUCKLING BEHAVIOR
	8.6 BAR OF UNSYMMETRIC SECTION
	8.7 TORSIONAL–FLEXURAL BUCKLING OF THIN‐WALLED BARS
	8.8 ELASTIC BUCKLING OF FLAT PLATES
	8.9 LOCAL BUCKLING OF OPEN SECTIONS
	PROBLEMS
9 Analysis of Composite Laminates
	9.1 PLANE STRESS EQUATIONS FOR COMPOSITE LAMINA
	9.2 OFF‐AXIS LOADING
	9.3 NOTATION FOR STACKING SEQUENCE IN LAMINATES
	9.4 SYMMETRIC LAMINATE UNDER IN‐PLANE LOADING
	9.5 EFFECTIVE MODULI FOR SYMMETRIC LAMINATES
	9.6 LAMINAR STRESSES
	9.7 [±45°] LAMINATE
	PROBLEMS
Index
End User License Agreement