Stress, Vibration, and Wave Analysis in Aerospace Composites

Stress, Vibration, and Wave Analysis in Aerospace Composites

SHM and NDE Applications

1st Edition - June 16, 2022

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  • Author: Victor Giurgiutiu
  • Paperback ISBN: 9780128133088
  • eBook ISBN: 9780128133095

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Description

Stress, Vibration, and Wave Analysis in Aerospace Composites: SHM and NDE Applications presents a unified approach to studying and understanding stress, vibrations and waves in composite materials used in aerospace applications. Combining topics that are typically found across an array of various sources, the book starts by looking at the properties of various composite materials, progresses to coverage of an analysis of stress, vibration and waves and then concludes with a discussion of various structural health monitoring (SHM) and nondestructive evaluation (NDE) techniques and applications based on the analysis developed earlier in the book. Every chapter of the book contains a variety of worked-out examples to illustrate and tie together underlying theory and specific applications. The MATLAB code used to generate these examples is available on the book’s companion website, as are solution documents and additional MATLAB code for problems and exercises featured in each chapter.

Key Features

  • Presents a comprehensive treatment of aerospace composites, starting with composite material properties and then covering an analysis of stress, vibration and waves, and culminating with SHM and NDE applications
  • Provides an understanding of the use and application of stress, vibration and waves to detect composite damage and monitor growth
  • Features an array of worked-out examples, problems and exercises
  • Includes access to a companion website that features MATLAB codes for worked-out examples, along with problems, exercises and their solutions

Readership

Research and technology engineers and scientists, graduate and undergraduate students, academics, and practitioners. Students and postdocs, government or industrial lab researchers, and aerospace designers to front-line production and aerospace-operations engineers and managers

Table of Contents

  • Cover image
  • Title page
  • Table of Contents
  • Copyright
  • Dedication
  • Acknowledgments
  • Chapter 1. Introduction
  • Abstract
  • Outline
  • 1.1 Preamble
  • 1.2 Why use aerospace composites?
  • 1.3 What are aerospace composites?
  • 1.4 Evolution of aerospace composites
  • 1.5 Today’s aerospace composites
  • 1.6 Challenges for aerospace composites
  • 1.7 About this book
  • References
  • Chapter 2. Fundamentals of aerospace composite materials
  • Abstract
  • Outline
  • 2.1 Introduction
  • 2.2 Anisotropic elasticity
  • 2.3 Unidirectional composite properties
  • 2.4 Induced-strain effects
  • 2.5 Rotations
  • 2.6 Composites failure
  • 2.7 Worked-out examples
  • 2.8 Problems and exercises
  • References
  • Further reading
  • Chapter 3. Classical lamination theory
  • Abstract
  • Outline
  • 3.1 Introduction
  • 3.2 Plane-stress elastic properties of a composite ply
  • 3.3 Love–Kirchhoff plate theory for axial–flexural deformation of composite plates
  • 3.4 Classical lamination theory analysis of composite plates
  • 3.5 ABD matrices for various laminates
  • 3.6 The direct and inverse problems
  • 3.7 Induced strain effects
  • 3.8 Progressive failure analysis
  • 3.9 Basic CLT worked-out examples
  • 3.10 Axial-load failure examples
  • 3.11 Shear-load failure examples
  • 3.12 Quasi-isotropic composite failure examples
  • 3.13 Flexural failure examples
  • 3.14 Twist failure examples
  • 3.15 Progressive failure examples
  • 3.16 Piezocomposite examples
  • 3.17 Discussion of example results
  • 3.18 Problems and exercises
  • References
  • Further reading
  • Chapter 4. Deformation and stress of aerospace composites
  • Abstract
  • Outline
  • 4.1 Introduction
  • 4.2 Equilibrium equations and boundary conditions in terms of stress resultants
  • 4.3 Isotropic-plate analysis in terms of displacements
  • 4.4 Series solution for simply supported isotropic plates under flexural load
  • 4.5 Composite-plate analysis in terms of displacements
  • 4.6 Induced-strain effects in composite plate analysis
  • 4.7 Simply supported orthotropic composite plates
  • 4.8 Examples of postcure deformation due to thermal effects
  • 4.9 Example of piezo composite deformation analysis: THUNDER actuator
  • 4.10 Example: SS isotropic aluminum plate
  • 4.11 Examples: SS unidirectional CFRP plate under uniform load
  • 4.12 Example: SS unidirectional CFRP plate under point load
  • 4.13 Example: SS crossply CFRP plate under uniform load
  • 4.14 Example: SS crossply CFRP plate under point load
  • 4.15 Example: comparison between CFRP and aluminum plates
  • 4.16 Problems and exercises
  • References
  • Further reading
  • Chapter 5. Vibration of aerospace composites
  • Abstract
  • Outline
  • 5.1 Introduction
  • 5.2 Equations of motion and boundary conditions in terms of stress resultants
  • 5.3 Free vibration of composite plates
  • 5.4 Vibration of simply supported orthotropic composite plates
  • 5.5 Dynamic response of composite plates
  • 5.6 Dynamic response of simply supported orthotropic composite plates
  • 5.7 Vibration examples
  • 5.8 Dynamic response examples
  • 5.9 FEM examples
  • 5.10 Summary and conclusions
  • 5.11 Problems and exercises
  • References
  • Further reading
  • Chapter 6. Bulk waves in aerospace composites
  • Abstract
  • Outline
  • 6.1 Introduction
  • 6.2 Generic waves and harmonic waves
  • 6.3 Equation of motion
  • 6.4 Directional dependence of wavespeed and polarization vector in anisotropic composites
  • 6.5 Excitation of ultrasonic waves in anisotropic composites
  • 6.6 Group velocity
  • 6.7 Energy velocity
  • 6.8 Relation between slowness surface, ray surface, wavenumber, and group velocity
  • 6.9 Examples: wave propagation in isotropic aluminum
  • 6.10 Examples: wave propagation in unidirectional CFRP composite
  • 6.11 Example: wave propagation in orthotropic CFRP composite
  • 6.12 Example: propagation in a rotated coordinate system
  • 6.13 Summary and conclusions
  • Problems and exercises
  • References
  • Further reading
  • Chapter 7. Guided waves in aerospace composites via the semi-analytical finite element method
  • Abstract
  • Outline
  • 7.1 Introduction
  • 7.2 Straight-crested guided-waves in aerospace composites
  • 7.3 Linear eigenvalue problem
  • 7.4 Modal dispersion curves
  • 7.5 Modeshapes
  • 7.6 Power and energy
  • 7.7 Energy velocity
  • 7.8 Group velocity
  • 7.9 Evanescent waves and complex wavenumbers plots
  • 7.10 Guided-wave propagation in an arbitrary direction
  • 7.11 Wavenumber, wavespeed, and slowness in an arbitrary direction
  • 7.12 Rotated modeshapes
  • 7.13 Power flow, energy velocity, and skew angle for wave propagation in an arbitrary direction
  • 7.14 Group velocity
  • 7.15 Examples
  • 7.16 Problems and exercises
  • References
  • Chapter 8. Guided-wave excitation in aerospace composites
  • Abstract
  • Outline
  • 8.1 Introduction
  • 8.2 Excitation of straight-crested guided waves
  • 8.3 Excitation of arbitrarily-crested guided waves
  • 8.4 Time solution in the physical domain
  • 8.5 Composite damping effects
  • 8.6 Examples: straight-crested PWAS-excited composite guided waves
  • 8.7 Examples: angle beam excitation of composite guided waves
  • 8.8 Examples: composite guided waves excited by circular PWAS transducers
  • 8.9 Problems and exercises
  • 8.10 Appendices
  • References
  • Further readings
  • Chapter 9. Analytical methods for guided waves in aerospace composites
  • Abstract
  • Outline
  • 9.1 Introduction
  • 9.2 Partial waves in a composite ply
  • 9.3 Guided waves in a composite ply
  • 9.4 Guided waves in laminated composites
  • 9.5 Numerical computation
  • Problems and exercises
  • References
  • Chapter 10. Structural health monitoring and nondestructive evaluation applications of the stress, vibration, and wave analysis in aerospace composites
  • Abstract
  • Outline
  • 10.1 Introduction
  • 10.2 Stress and strain monitoring
  • 10.3 Damage detection by vibration methods
  • 10.4 Bulk-wave applications
  • 10.5 Guided wave monitoring
  • References
  • Appendix 1. Material properties
  • Index

Product details

  • No. of pages: 946
  • Language: English
  • Copyright: © Academic Press 2022
  • Published: June 16, 2022
  • Imprint: Academic Press
  • Paperback ISBN: 9780128133088
  • eBook ISBN: 9780128133095

About the Author

Victor Giurgiutiu

Dr. Giurgiutiu is an expert in the field of Structural Health Monitoring (SHM). He leads the Laboratory for Active Materials and Smart Structures at the University of South Carolina. He received the award Structural Health Monitoring Person of the Year 2003 and is Associate Editor of the international journal Structural Health Monitoring.

Affiliations and Expertise

Department of Mechanical Engineering, University of South Carolina, Columbia, SC, USA

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