Abstract

Each guided elastic wave mode is composed of propagating and non-propagating branches. Non-propagating branches associated with complex wavenumbers are substantially different from the propagating ...

Highlights

  • Graded piezoelectric material (FGPM) is a new type of piezoelectric material in which the electroelastic properties are considered to vary in a desired direction(s)

  • We present an extended Legendre orthogonal polynomial method (ELOPM) to determine the complete spectrum for guided waves in an Functionally graded piezoelectric material (FGPM) cylindrical shell which, to the best of the authors’ knowledge, has not been studied before

  • We present an ELOPM to determine the full dispersion spectrum of the guided waves in FGPM cylindrical shells

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Summary

Introduction

Graded piezoelectric material (FGPM) is a new type of piezoelectric material in which the electroelastic properties are considered to vary in a desired direction(s). Keywords Non-propagating wave, functionally graded piezoelectric material, cylindrical shell, orthogonal polynomial method, dispersion

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