Band structure of love wave in a one-dimensional piezoelectric layered phononic crystal with imperfect interface

被引：13
作者：
Yang, Guangying [1 ,2 ]
Zhang, Minghua [2 ]
Du, Jianke [2 ]
Chen, Xi [1 ]
机构：
[1] Jiaxing Univ, Coll Civil Engn & Architecture, Jiaxing, Zhejiang, Peoples R China
[2] Ningbo Univ, Sch Mech Engn & Mech, Ningbo 315211, Zhejiang, Peoples R China
来源：
MECHANICS OF ADVANCED MATERIALS AND STRUCTURES | 2023年 / 30卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Love wave; phononic crystal; imperfect interface; piezoelectric; FEM; PWE; COMPOSITE STRUCTURE; HALF-SPACE; APPROXIMATION; PROPAGATION;
D O I：
10.1080/15376494.2022.2029637
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The propagation of Love wave in a phononic crystal consisting of superlattice lithium niobate substrate carrying a piezoelectric waveguide layer is analyzed. The interface between the waveguide layer and the substrate is imperfectly bonded, which is described by means of a shear spring model. Numerical results show that the bandgap shifts to a lower frequency range and the bandwidth decreases as the interface imperfection increases. Moreover, the transmission coefficient calculations using finite element simulation revealed that a perfect interface results in more effective bandgap attenuation.
引用
收藏
页码：1181 / 1187
页数：7
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