Vol. 12, No. 4, 2017

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ISSN: 1559-3959
Interfacial waves in an A/B/A piezoelectric structure with electro-mechanical imperfect interfaces

M. A. Reyes, J. A. Otero and R. Pérez-Álvarez

Vol. 12 (2017), No. 4, 457–470
Abstract

We study the propagation of shear horizontal (SH) waves in the interfaces of an A/B/A piezoelectric structure with an electrical and mechanical imperfect contact, being modeled by means of a capacitor and a spring, respectively. The analytical dispersion relations are obtained and some limit cases are analyzed in detail, predicting the existence of interface waves. Based on numerical calculations, it can be shown that the electrical and mechanical imperfections strongly influence the dispersion curves.

Keywords
piezoelectricity, dispersion curve, wave propagation, imperfect contact
Milestones
Received: 27 November 2016
Revised: 22 March 2017
Accepted: 29 March 2017
Published: 20 May 2017
Authors
M. A. Reyes
Instituto Politécnico Nacional
UPIITA-IPN
Avenida Instituto Politécnico Nacional No. 2580
Col Barrio la Laguna Ticomán
07340 Ciudad de México,
Mexico
J. A. Otero
Campus Estado de México
Tecnológico de Monterrey
Carretera Lago de Guadalupe Km. 3.5
Atizapán de Zaragoza
52926 Colonia Margarita Maza de Juárez,
Mexico
R. Pérez-Álvarez
Centro de Investigacion en Ciencias, Instituto de Investigacion en Ciencias Basicas y Aplicadas
Universidad Autonoma del Estado de Morelos
Av. Universidad 1001
62209 Cuernavaca,
Mexico