Electro-mechanical coupling properties of band gaps in an elastic/piezoelectric phononic crystal nonlocal nanobeam with periodically attached "spring-mass" resonators

被引：0
|
作者：
Zhang, Jian [1 ]
Qian, Deng-hui [1 ]
Ren, Long [2 ]
Wang, Qi [2 ]
机构：
[1] Jiangsu Univ Sci & Technol, Sch Naval Architecture & Ocean Engn, Zhenjiang 212100, Peoples R China
[2] China Nanhu Acad Elect & Informat Technol, Jiaxing 314000, Peoples R China
来源：
APPLIED MATHEMATICS-A JOURNAL OF CHINESE UNIVERSITIES SERIES B | 2023年 / 38卷 / 03期
基金：
中国国家自然科学基金;
关键词：
phononic crystal nanobeam; electro-mechanical coupling effect; nonlocal effect; locally resonant mechanism; ELASTIC-WAVES; PROPAGATION; VIBRATION;
D O I：
10.1007/s11766-023-4576-0
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
The model of a locally resonant (LR) epoxy/PZT-4 phononic crystal (PC) nanobeam with "spring-mass" resonators periodically attached to epoxy is proposed. The corresponding band structures are calculated by coupling Euler beam theory, nonlocal piezoelectricity theory and plane wave expansion (PWE) method. Three complete band gaps with the widest total width less than 10GHz can be formed in the proposed nanobeam by comprehensively comparing the band structures of three kinds of LR PC nanobeams with resonators attached or not. Furthermore, influencing rules of the coupling fields between electricity and mechanics, "spring-mass" resonator, nonlocal effect and different geometric parameters on the first three band gaps are discussed and summarized. All the investigations are expected to be applied to realize the active control of vibration in the region of ultrahigh frequency.
引用
收藏
页码：429 / 443
页数：15
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