Mechanics of aircraft structures. (2021)

• Record Type: Book
• Authors: Sun, C. T (Chin-Teh), 1939-; Adnan, A, 1976-
• Contents: CONTENTS Preface xiii Preface to the First Edition xv 1 Characteristics of Aircraft Structures and Materials 1 1.1 Introduction / 1 1.2 Types of Aircraft Structures / 1 1.2.1 Fixed-wing Aircraft / 1 1.2.2 Rotorcraft / 2 1.2.3 Lighter-than-air Vehicles / 2 1.2.4 Drones / 2 1.3 Basic Structural Elements in Aircraft Structure / 3 1.3.1 Fuselage / 3 1.3.2 Wing / 3 1.3.3 Landing Gear / 3 1.3.4 Control Surfaces / 4 1.4 Aircraft Materials / 4 Problems / 6 2 Loads on Aircraft Structures 7 2.1 Introduction / 7 2.2 Basic Structural Elements / 7 2.2.1 Axial Member / 7 2.2.2 Shear Panel / 8 2.2.3 Bending Member (Beam) / 9 2.2.4 Torsion Member / 10 2.3 Wing and Fuselage / 11 2.3.1 Load Transfer / 11 2.3.2 Wing Structure / 12 2.3.3 Fuselage / 13 Problems / 15 3 Introduction to Elasticity 18 3.1 Introduction / 18 3.2 Concept of Displacement / 19 3.3 Strain / 21 3.4 Stress / 26 3.5 Equations of Equilibrium in a Uniform Stress Field / 28 3.6 Equations of Equilibrium in a Nonuniform Stress Field / 30 3.7 Stress Vector-Stress Component Relations / 32 3.8 Principal Stress / 34 3.9 Shear Stress / 37 3.10 Stress Transformation / 39 3.11 Linear Stress-Strain Relations / 41 3.11.1 Strains Induced by Normal Stress / 42 3.11.2 Strains Induced by Shear Stress / 45 3.11.3 Three-Dimensional Stress-Strain Relations / 46 3.12 Plane Elasticity / 51 3.12.1 Stress-Strain Relations for Plane Isotropic Solids / 51 3.12.2 Stress-Strain Relations for Orthotropic Solids in Plane Stress / 54 3.12.3 Governing Equations / 55 3.12.4 Solution by Airy Stress Function for Plane Isotropic Solids / 58 3.12.5 Plane Elasticity Solutions in Polar Coordinate System / 60 3.13 Formulations Beyond 2D Plane Elasticity / 64 Problems / 66 4 Torsion 74 4.1 Introduction / 74 4.2 Torsion of Uniform Bars with Arbitrary Cross-section/ 75 4.2.1 Governing Equations / 75 4.2.2 Boundary Conditions / 78 4.3.3 Torque-Stress Relations / 79 4.3.4 Warping Displacement / 80 4.3.5 Torsion Constant / 80 4.3 Bars with Circular Cross-Sections / 81 4.3.1 Elasticity Approach using Prandtl Stress Function / 81 4.3.2 Mechanics of Solid Approach / 84 4.4 Bars with Narrow Rectangular Cross-Sections / 87 4.5 Closed Single-Cell Thin-Walled Sections / 91 4.5.1 The s-n coordinate system / 91 4.5.2 Prandtl Stress Function / 93 4.5.3 Shear Flow q / 94 4.5.4 Shear Flow - Torque Relation / 95 4.5.5 Twist Angle / 96 4.5.6 Torsion Constant J / 99 4.6 Multicell Thin-Walled Sections / 102 4.7 Warping in Open Thin-Walled Sections / 107 4.8 Warping in Closed Thin-Walled Sections / 111 4.9 Effect of End Constraints / 113 Problems / 120 5 Bending and Flexural Shear 126 5.1 Introduction / 126 5.2 Bernoulli-Euler Beam Theory / 126 5.2.1 Unidirectional Bending on Beams with a Symmetric Section / 126 5.2.2 Bidirectional Bending on Beams with an Arbitrary Section / 132 5.3 Structural idealization / 137 5.4 Transverse Shear Stress due to Transverse Force in Symmetric Sections / 146 5.4.1 Narrow Rectangular Cross-Section / 147 5.4.2 General Symmetric Sections / 148 5.4.3 Thin-Walled Sections / 150 5.34.4 Shear Deformation in Thin-Walled Sections / 151 5.5 Timoshenko Beam Theory / 154 5.6 Saing-Venant’s Principle / 158 5.7 Shear Lag / 162 Problems / 165 6 Flexural Shear Flow in Thin-Walled Sections 171 6.1 Introduction / 171 6.2 Flexural Shear Flow in Open Thin-Walled Sections / 171 6.2.1 Symmetric Thin-Walled Sections / 172 6.2.2 Unsymmetric Thin-Walled Sections / 176 6.2.3 Multiple Shear Flow Junctions / 178 6.2.4 Selection of Shear Flow Contour / 179 6.3 Shear Center in Open Sections / 180 6.4 Closed Thin-Walled Sections and Combined Flexural and Torsional Shear Flow / 186 6.4.1 Shear Center / 187 6.4.2 Statically Determinate Shear Flow / 191 6.5 Closed Multicell Sections / 194 Problems / 198 7 Failure Criteria for Isotropic Materials 205 7.1 Introduction / 205 7.2 Strength Criteria for Brittle Materials / 205 7.2.1 Maximum Principal Stress Criterion / 205 7.2.2 Coulomb–Mohr Criterion / 206 7.3 Yield Criteria for Ductile Materials / 208 7.3.1 Maximum Shear Stress Criterion (Tresca Yield Criterion) in Plane Stress / 208 7.3.2 Maximum Distortion Energy Criterion (von Mises Yield Criterion) / 210 7.4 Fracture Mechanics / 215 7.4.1 Stress Concentration / 215 7.4.2 Concept of Cracks and Strain Energy Release Rate / 216 7.4.3 Fracture Criterion / 218 7.5 Stress Intensity Factor / 223 7.5.1 Symmetric Loading (Mode I Fracture) / 223 7.5.2 Antisymmetric Loading (Mode II Fracture) / 225 7.5.3 Relation between K and G / 227 7.5.4 Mixed Mode Fracture / 231 7.6 Effect of Crack Tip Plasticity / 232 7.7 Fatigue Failure / 235 7.7.1 Constant Stress Amplitude / 235 7.7.2 S –N Curves / 235 7.7.3 Variable Amplitude Loading / 236 7.8 Fatigue Crack Growth / 236 Problems / 239 8 Elastic Buckling
• Edition: Third edition
• Publisher Details: Hoboken : John Wiley & Sons, Inc
• Publication Date: 2021
• Extent: 1 online resource, illustrations
• Subjects: 629.13431; Airplanes -- Design and construction; Airframes; Fracture mechanics
• Languages: English
• ISBNs: 9781119584148
• Notes: Note: Description based on CIP data; resource not viewed.
• Access Rights: Legal Deposit; Only available on premises controlled by the deposit library and to one user at any one time; The Legal Deposit Libraries (Non-Print Works) Regulations (UK).
• Access Usage: Restricted: Printing from this resource is governed by The Legal Deposit Libraries (Non-Print Works) Regulations (UK) and UK copyright law currently in force.