Aircraft Structures for Engineering Students (5th Edition)

• Main Author: Megson, T. H. G
• Format: eBook
• Language: English
• Published: San Diego Elsevier 2013; Elsevier Science & Technology; Butterworth-Heinemann
• Edition: 5
• Series: Elsevier aerospace engineering series
• Subjects: Aerospace & Radar Technology; Airframes; General References; Machine Design; Mechanics & Mechanical Engineering; Textbooks

This book is the leading self contained aircraft structures course text. It covers all fundamental subjects, including elasticity, structural analysis, airworthiness and aeroelasticity. Now in its fifth edition, the author has revised and updated the text throughout and added new examples and exerci...

Table of Contents:

• Front Matter Preface Table of Contents Section A1. Elasticity 1. Basic Elasticity 2. Two-Dimensional Problems in Elasticity 3. Torsion of Solid Sections Section A2. Virtual Work, Energy, and Matrix Methods 4. Virtual Work and Energy Methods 5. Energy Methods 6. Matrix Methods Section A3. Thin Plate Theory 7. Bending of Thin Plates Section A4. Structural Instability 8. Columns 9. Thin Plates Section A5. Vibration of Structures 10. Structural Vibration Section B1. Principles of Stressed Skin Construction 11. Materials 12. Structural Components of Aircraft Section B2. Airworthiness and Airframe Loads 13. Airworthiness 14. Airframe Loads 15. Fatigue Section B3. Bending, Shear and Torsion of Thin-Walled Beams 16. Bending of Open and Closed, Thin-Walled Beams 17. Shear of Beams 18. Torsion of Beams 19. Combined Open and Closed Section Beams 20. Structural Idealization Section B4. Stress Analysis of Aircraft Components 21. Wing Spars and Box Beams 22. Fuselages 23. Wings 24. Fuselage Frames and Wing Ribs 25. Laminated Composite Structures Section B5. Structural and Loading Discontinuities 26. Closed Section Beams 27. Open Section Beams Section B6. Introduction to Aeroelasticity 28. Wing Problems Appendix: Design of a Rear Fuselage Index
• Experimental determination of the critical load for a flat plate -- Local instability -- Instability of stiffened panels -- Failure stress in plates and stiffened panels -- Tension field beams -- Complete diagonal tension -- Incomplete diagonal tension -- Postbuckling behavior -- References -- Section A5: Vibration of structures -- Chapter 10: Structural vibration -- Oscillation of mass-spring systems -- Oscillation of beams -- Approximate methods for determining natural frequencies -- Part B: Analysis of aircraft structures -- Section B1: Principles of stressed skin construction -- Chapter 11: Materials -- Aluminum alloys -- Steel -- Titanium -- Plastics -- Glass -- Composite materials -- Properties of materials -- Ductility -- Brittleness -- Elastic materials -- Plasticity -- Isotropic materials -- Anisotropic materials -- Orthotropic materials -- Testing of engineering materials -- Tensile tests -- Compression tests -- Bending tests -- Shear tests -- Hardness tests -- Impact tests -- Stress-strain curves -- Low carbon steel (mild steel) -- Aluminum -- Brittle materials -- Composites -- Strain hardening -- Creep and relaxation -- Fatigue -- Chapter 12: Structural components of aircraft -- Loads on structural components -- Function of structural components -- Fabrication of structural components -- Connections -- Simple lap joint -- Rivet shear -- Bearing pressure -- Plate failure in tension -- Shear failure in a plate -- Joint efficiency -- Group-riveted joints -- Eccentrically loaded riveted joints -- Use of adhesives -- Reference -- Section B2: Airworthiness and airframe loads -- Chapter 13: Airworthiness -- Factors of safety-flight envelope -- Load factor determination -- Limit load -- Uncertainties in design and structural deterioration -- Variation in structural strength -- Fatigue -- Reference -- Chapter 14: Airframe loads
• Front Cover -- Aircraft Structures for engineering students -- Copyright -- Dedication -- Contents -- Preface -- Part A: Fundamentals of structural analysis -- Section A1: Elasticity -- Chapter 1: Basic elasticity -- Stress -- Notation for forces and stresses -- Equations of equilibrium -- Plane stress -- Boundary conditions -- Determination of stresses on inclined planes -- Principal stresses -- Mohr's circle of stress -- Strain -- Compatibility equations -- Plane strain -- Determination of strains on inclined planes -- Principal strains -- Mohr's circle of strain -- Stress-strain relationships -- Temperature effects -- Experimental measurement of surface strains -- References -- Additional Reading -- Chapter 2: Two-dimensional problems in elasticity -- Two-dimensional problems -- Stress functions -- Inverse and semi-inverse methods -- St. venant's principle -- Displacements -- Bending of an end-loaded cantilever -- Reference -- Chapter 3: Torsion of solid sections -- Prandtl stress function solution -- St. Venant warping function solution -- The membrane analogy -- Torsion of a narrow rectangular strip -- References -- Section A2: Virtual work, energy, and matrix methods -- Chapter 4: Virtual work and energy methods -- Work -- Principle of virtual work -- Principle of virtual work for a particle -- Principle of virtual work for a rigid body -- Virtual work in a deformable body -- Work done by internal force systems -- Axial force -- Shear force -- Bending moment -- Torsion -- Hinges -- Sign of internal virtual work -- Virtual work due to external force systems -- Use of virtual force systems -- Applications of the principle of virtual work -- Reference -- Chapter 5: Energy methods -- Strain energy and complementary energy -- Principle of the stationary value of the total complementary energy -- Application to deflection problems
• Condition for zero warping at a section -- Torsion of open section beams -- Warping of the cross-section -- Chapter 19: Combined open and closed section beams -- Bending -- Shear -- Torsion -- Chapter 20: Structural idealization -- Principle -- Idealization of a panel -- Effect of idealization on the analysis of open and closed section beams -- Bending of open and closed section beams -- Shear of open section beams -- Shear loading of closed section beams -- Alternative method for the calculation of shear flow distribution -- Torsion of open and closed section beams -- Deflection of open and closed section beams -- Section B4: Stress analysis of aircraft components -- Chapter 21: Wing spars and box beams -- Tapered wing spar -- Open and closed section beams -- Beams having variable stringer areas -- Chapter 22: Fuselages -- Bending -- Shear -- Torsion -- Cut-outs in fuselages -- Chapter 23: Wings -- Three-boom shell -- Bending -- Torsion -- Shear -- Shear center -- Tapered wings -- Deflections -- Cut-outs in wings -- Chapter 24: Fuselage frames and wing ribs -- Principles of stiffener/web construction -- Fuselage frames -- Wing ribs -- Chapter 25: Laminated composite structures -- Elastic constants of a simple lamina -- Stress-strain relationships for an orthotropic ply (macro approach) -- Specially orthotropic ply -- Generally orthotropic ply -- Thin-walled composite beams -- Axial load -- Bending -- Shear -- Open section beams -- Closed section beams -- Torsion -- Closed section beams -- Open section beams -- References -- Section B5: Structural and loading discontinuities -- Chapter 26: Closed section beams -- General aspects -- Shear stress distribution at a built-in end of a closed section beam -- Thin-walled rectangular section beam subjected to torsion -- Shear lag -- Reference -- Chapter 27: Open section beams
• I-Section beam subjected to torsion
• Aircraft inertia loads -- Symmetric maneuver loads -- Level flight -- General case of a symmetric maneuver -- Normal accelerations associated with various types of maneuver -- Steady pull-out -- Correctly banked turn -- Gust loads -- Sharp-edged gust -- The graded gust -- Gust envelope -- References -- Chapter 15: Fatigue -- Safe life and fail-safe structures -- Designing against fatigue -- Fatigue strength of components -- Prediction of aircraft fatigue life -- Crack propagation -- Stress concentration factor -- Crack tip plasticity -- Crack propagation rates -- References -- Further reading -- Section B3: Bending, shear and torsion of thin-walled beams -- Chapter 16: Bending of open and closed, thin-walled beams -- Symmetrical bending -- Assumptions -- Direct stress distribution -- Anticlastic bending -- Unsymmetrical bending -- Sign conventions and notation -- Resolution of bending moments -- Direct stress distribution due to bending -- Position of the neutral axis -- Load intensity, shear force, and bending moment relationships, the general case -- Deflections due to bending -- Singularity functions -- Calculation of section properties -- Parallel axes theorem -- Theorem of perpendicular axes -- Second moments of area of standard sections -- Product second moment of area -- Approximations for thin-walled sections -- Applicability of bending theory -- Temperature effects -- Reference -- Chapter 17: Shear of beams -- General stress, strain, and displacement relationships for open and single-cell closed section thin-walled beams -- Shear of open section beams -- Shear center -- Shear of closed section beams -- Twist and warping of shear loaded closed section beams -- Shear center -- Reference -- Chapter 18: Torsion of beams -- Torsion of closed section beams -- Displacements associated with the Bredt-Batho shear flow
• Application to the solution of statically indeterminate systems -- Unit load method -- Flexibility method -- Self-straining trusses -- Total potential energy -- Principle of the stationary value of the total potential energy -- Principle of superposition -- Reciprocal theorem -- Temperature effects -- References -- Further reading -- Chapter 6: Matrix methods -- Notation -- Stiffness matrix for an elastic spring -- Stiffness matrix for two elastic springs in line -- Matrix analysis of pin-jointed frameworks -- Application to statically indeterminate frameworks -- Matrix analysis of space frames -- Stiffness matrix for a uniform beam -- Finite element method for continuum structures -- Stiffness matrix for a beam-element -- Stiffness matrix for a triangular finite element -- Stiffness matrix for a quadrilateral element -- References -- Further reading -- Section A3: Thin plate theory -- Chapter 7: Bending of thin plates -- Pure bending of thin plates -- Plates subjected to bending and twisting -- Plates subjected to a distributed transverse load -- The simply supported edge -- The built-in edge -- The free edge -- Combined bending and in-plane loading of a thin rectangular plate -- Bending of thin plates having a small initial curvature -- Energy method for the bending of thin plates -- Strain energy produced by bending and twisting -- Potential energy of a transverse load -- Potential energy of in-plane loads -- Further reading -- Section A4: Structural instability -- Chapter 8: Columns -- Euler buckling of columns -- Inelastic buckling -- Effect of initial imperfections -- Stability of beams under transverse and axial loads -- Energy method for the calculation of buckling loads in columns -- Flexural-torsional buckling of thin-walled columns -- References -- Chapter 9: Thin plates -- Buckling of thin plates -- Inelastic buckling of plates