Elastic Waves in Piezoelectric Spherical Curved Plates

J.G. Yu; X.F. Dong

doi:10.4028/www.scientific.net/KEM.455.672

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 455Elastic Waves in Piezoelectric Spherical Curved...

Elastic Waves in Piezoelectric Spherical Curved Plates

Abstract:

Based on linear three-dimensional piezoelasticity, an orthogonal polynomial approach is used for determining the elastic wave characteristics of piezoelectric spherical curved plates. The displacement components and electric potential, expanded in a series of Legendre polynomials, are introduced into the governing equations along with position-dependent material constants so that the solution of the wave equation is reduced to an eigenvalue problem. Guided wave dispersion curves for PZT-4 spherical curved plates are calculated. Corresponding mechanical displacement and electric potential distributions are illustrated. The influence of the ratio of radius to thickness on the wave characteristics is discussed.

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Periodical:

Key Engineering Materials (Volume 455)

Pages:

672-677

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.455.672

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Online since:

December 2010

Authors:

J.G. Yu, X.F. Dong

Keywords:

Elastic Wave, Legendre Polynomial, Piezoelectricty, Spherical Curved Plate

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