EFFECT OF PIEZOELECTRIC SCATTERER ORIENTATION ON BAND GAP OF ONE-DIMENSIONAL PHONONIC CRYSTALS

被引：0
|
作者：
Cai, Zhan-hua [1 ]
Zhao, Peng [1 ]
Yuan, Li-li [1 ]
Du, Jin-ke [2 ]
Ding, Ben-jie [2 ]
Zhang, Ting-ting [1 ]
机构：
[1] Ningbo Univ, Sch Architectural Civil Engn & Environm, Ningbo 315211, Zhejiang, Peoples R China
[2] Ningbo Univ, Sch Mech Engn & Mech, Ningbo 315211, Zhejiang, Peoples R China
来源：
PROCEEDINGS OF THE 2019 13TH SYMPOSIUM ON PIEZOELECTRICITY, ACOUSTIC WAVES AND DEVICE APPLICATIONS (SPAWDA) | 2019年
基金：
中国国家自然科学基金;
关键词：
Lamb waves; Band gaps; Orientation; Low frequency; LAMB WAVES; 2D;
D O I：
暂无
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
In this paper, we study the effect of piezoelectric scatterer orientation on the band gaps of Lamb waves propagating in one-dimensional phononic crystal plate composed of a rectangular piezoelectric scatterer periodically embedded in an elastic layer. The band gap structure of piezoelectric phononic crystals with consideration of electrically open and shorted cases are calculated by using the finite element method (FEM). The results show that the band gaps are sensitive to the orientation, filling rate and the ratio of the piezoelectric scatterer. The above results can provide reference for the application of the vibration isolation.
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页数：5
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