Surface electro-elastic Love waves in a layered structure with a piezoelectric substrate and two isotropic layers

INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES

卷:46

Article

Pifiposian, G. T.¹  Danoyan, Z. N.² 

[1] Univ Liverpool, Dept Math Sci, Liverpool L69 7ZL, Merseyside, England

[2] Armenian Natl Acad Sci, Inst Mech, Yerevan 375019, Armenia

关键词: Love wave;    Layered piezoelectric structure;    Phase velocity;    Electromechanical coupling coefficient;   

DOI  :  10.1016/j.ijsolstr.2008.11.002

来源: Elsevier

【 摘 要 】

Propagation of electro-elastic surface Love waves in a structure consisting of a piezoelectric half-space substrate of crystal class 6, 4, 6 mm or 4 mm and two layers, one of which (adjacent to the substrate) is a conducting material and the second is either a conducting or a dielectric material, is considered. The mathematical model obtained includes all the above crystal classes i.e. the surface wave problems related to all these classes are presented in a single mathematical model. The dispersion equation for the existence of Love surface waves with respect to phase velocity is obtained. Numerical calculations are carried out for three different layered structures. The effect of the second layer on the propagation behaviour of the surface Love wave in the structure is revealed. (C) 2008 Elsevier Ltd. All rights reserved.

【 授权许可】

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