Introduction to Aircraft Structural Analysis

Introduction to Aircraft Structural Analysis

2nd Edition - October 22, 2013

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  • Author: T.H.G. Megson
  • eBook ISBN: 9780080982038

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Description

Introduction to Aircraft Structural Analysis, Second Edition, is an essential resource for learning aircraft structural analysis. Based on the author's best-selling text Aircraft Structures for Engineering Students, this brief book covers the basics of structural analysis as applied to aircraft structures.Coverage of elasticity, energy methods, and virtual work sets the stage for discussions of airworthiness/airframe loads and stress analysis of aircraft components. Numerous worked examples, illustrations, and sample problems show how to apply the concepts to realistic situations.This text is designed for undergraduate and postgraduate students of aerospace and aeronautical engineering as well as for professional development and training courses.

Key Features

  • Based on the author's best-selling text Aircraft Structures for Engineering Students, this introduction covers core concepts in about 200 fewer pages than the original by removing some optional topics like structural vibrations and aeroelasticity
  • Systematic step-by-step procedures in the worked examples
  • Self-contained, with complete derivations for key equations

Readership

Undergraduate and postgraduate students of aerospace and aeronautical engineering. Also suitable for professional development and training courses

Table of Contents

  • Preface

    Part A: Fundamentals of structural analysis

    Section A1. Elasticity

    Chapter 1. Basic elasticity

    1.1 Stress

    1.2 Notation for forces and stresses

    1.3 Equations of equilibrium

    1.4 Plane stress

    1.5 Boundary conditions

    1.6 Determination of stresses on inclined planes

    1.7 Principal stresses

    1.8 Mohr’s circle of stress

    1.9 Strain

    1.10 Compatibility equations

    1.11 Plane strain

    1.12 Determination of strains on inclined planes

    1.13 Principal strains

    1.14 Mohr’s circle of strain

    1.15 Stress–strain relationships

    1.16 Experimental measurement of surface strains

    References

    Additional Reading

    Problems

    Chapter 2. Two-dimensional problems in elasticity

    2.1 Two-dimensional problems

    2.2 Stress functions

    2.3 Inverse and semi-inverse methods

    2.4 St. Venant’s principle

    2.5 Displacements

    2.6 Bending of an end-loaded cantilever

    Reference

    Problems

    Chapter 3. Torsion of solid sections

    3.1 Prandtl stress function solution

    3.2 St. Venant warping function solution

    3.3 The membrane analogy

    3.4 Torsion of a narrow rectangular strip

    References

    Problems

    Section A2. Virtual work, energy, and matrix methods

    Chapter 4. Virtual work and energy methods

    4.1 Work

    4.2 Principle of virtual work

    4.3 Applications of the principle of virtual work

    Reference

    Problems

    Chapter 5. Energy methods

    5.1 Strain energy and complementary energy

    5.2 Principle of the stationary value of the total complementary energy

    5.3 Application to deflection problems

    5.4 Application to the solution of statically indeterminate systems

    5.5 Unit load method

    5.6 Flexibility method

    5.7 Total potential energy

    5.8 Principle of the stationary value of the total potential energy

    5.9 Principle of superposition

    5.10 Reciprocal theorem

    5.11 Temperature effects

    References

    Further reading

    Problems

    Chapter 6. Matrix methods

    6.1 Notation

    6.2 Stiffness matrix for an elastic spring

    6.3 Stiffness matrix for two elastic springs in line

    6.4 Matrix analysis of pin-jointed frameworks

    6.5 Application to statically indeterminate frameworks

    6.6 Matrix analysis of space frames

    6.7 Stiffness matrix for a uniform beam

    6.8 Finite element method for continuum structures

    References

    Further reading

    Problems

    Section A3. Thin plate theory

    Chapter 7. Bending of thin plates

    7.1 Pure bending of thin plates

    7.2 Plates subjected to bending and twisting

    7.3 Plates subjected to a distributed transverse load

    7.4 Combined bending and in-plane loading of a thin rectangular plate

    7.5 Bending of thin plates having a small initial curvature

    7.6 Energy method for the bending of thin plates

    Further reading

    Problems

    Section A4. Structural instability

    Chapter 8. Columns

    8.1 Euler buckling of columns

    8.2 Inelastic buckling

    8.3 Effect of initial imperfections

    8.4 Stability of beams under transverse and axial loads

    8.5 Energy method for the calculation of buckling loads in columns

    8.6 Flexural–torsional buckling of thin-walled columns

    References

    Problems

    Chapter 9. Thin plates

    9.1 Buckling of thin plates

    9.2 Inelastic buckling of plates

    9.3 Experimental determination of the critical load for a flat plate

    9.4 Local instability

    9.5 Instability of stiffened panels

    9.6 Failure stress in plates and stiffened panels

    9.7 Tension field beams

    References

    Problems

    Part B: Analysis of aircraft structures

    Section B1. Principles of stressed skin construction

    Chapter 10. Materials

    10.1 Aluminum alloys

    10.2 Steel

    10.3 Titanium

    10.4 Plastics

    10.5 Glass

    10.6 Composite materials

    10.7 Properties of materials

    Problems

    Chapter 11. Structural components of aircraft

    11.1 Loads on structural components

    11.2 Function of structural components

    11.3 Fabrication of structural components

    11.4 Connections

    Reference

    Problems

    Section B2. Airworthiness and airframe loads

    Chapter 12. Airworthiness

    12.1 Factors of safety-flight envelope

    12.2 Load factor determination

    Reference

    Problems

    Chapter 13. Airframe loads

    13.1 Aircraft inertia loads

    13.2 Symmetric maneuver loads

    13.3 Normal accelerations associated with various types of maneuver

    13.4 Gust loads

    References

    Problems

    Chapter 14. Fatigue

    14.1 Safe life and fail-safe structures

    14.2 Designing against fatigue

    14.3 Fatigue strength of components

    14.4 Prediction of aircraft fatigue life

    14.5 Crack propagation

    References

    Further reading

    Problems

    Section B3. Bending, shear and torsion of thin-walled beams

    Chapter 15. Bending of open and closed, thin-walled beams

    15.1 Symmetrical bending

    15.2 Unsymmetrical bending

    15.3 Deflections due to bending

    15.4 Calculation of section properties

    15.5 Applicability of bending theory

    15.6 Temperature effects

    Reference

    Problems

    Chapter 16. Shear of beams

    16.1 General stress, strain, and displacement relationships for open and single-cell closed section thin-walled beams

    16.2 Shear of open section beams

    16.3 Shear of closed section beams

    Reference

    Problems

    Chapter 17. Torsion of beams

    17.1 Torsion of closed section beams

    17.2 Torsion of open section beams

    Problems

    Chapter 18. Combined open and closed section beams

    18.1 Bending

    18.2 Shear

    18.3 Torsion

    Problems

    Chapter 19. Structural idealization

    19.1 Principle

    19.2 Idealization of a panel

    19.3 Effect of idealization on the analysis of open and closed section beams

    19.4 Deflection of open and closed section beams

    Problems

    Section B4. Stress analysis of aircraft components

    Chapter 20. Wing spars and box beams

    20.1 Tapered wing spar

    20.2 Open and closed section beams

    20.3 Beams having variable stringer areas

    Problems

    Chapter 21. Fuselages

    21.1 Bending

    21.2 Shear

    21.3 Torsion

    21.4 Cut-outs in fuselages

    Problems

    Chapter 22. Wings

    22.1 Three-boom shell

    22.2 Bending

    22.3 Torsion

    22.4 Shear

    22.5 Shear center

    22.6 Tapered wings

    22.7 Deflections

    22.8 Cut-outs in wings

    Problems

    Chapter 23. Fuselage frames and wing ribs

    23.1 Principles of stiffener/web construction

    23.2 Fuselage frames

    23.3 Wing ribs

    Problems

    Chapter 24. Laminated composite structures

    24.1 Elastic constants of a simple lamina

    24.2 Stress–strain relationships for an orthotropic ply (macro approach)

    24.3 Thin-walled composite beams

    References

    Problems

    Index

Product details

  • No. of pages: 728
  • Language: English
  • Copyright: © Butterworth-Heinemann 2013
  • Published: October 22, 2013
  • Imprint: Butterworth-Heinemann
  • eBook ISBN: 9780080982038

About the Author

T.H.G. Megson

T.H.G. Megson is a professor emeritus with the Department of Civil Engineering at Leeds University (UK). For Elsevier he has written the market leading Butterworth Heinemann textbooks Aircraft Structures for Engineering Students and Introduction to Aircraft Structural Analysis (a briefer derivative of the aircraft structures book), as well as the text/ref hybrid Structural and Stress Analysis.

Affiliations and Expertise

Professor Emeritus, Department of Civil Engineering, Leeds University, UK

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