考虑表面效应的纳米级压电声子晶体束的超高频振动控制

IF 0.6 4区工程技术 Q4 MECHANICS

Journal of Theoretical and Applied Mechanics Pub Date : 2023-11-26 DOI:10.15632/jtam-pl/174870

Zexin Zhang, Denghui Qian, Long Ren, Qi Wang

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引用次数: 0

摘要

本文利用表面压电理论对纳米尺度的压电声子晶体束进行了力学建模。通过平面波展开法计算了带隙，并分析了带隙结构图。分别讨论了机电耦合效应、表面效应和几何形状对带隙特性的影响。该研究为纳米机电系统的设计和主动控制做出了积极贡献。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Ultrahigh frequency vibration control in a piezoelectric phononic crystal beam at the nanoscale considering surface effects

In this paper, a piezoelectric phononic crystal beam at the nanoscale has been mechanically modeled by using the surface piezoelectric theory. The band gap has been calculated by the plane wave expansion method and the band gap structure picture has been analyzed. The inﬂuence of electromechanical coupling eﬀects, surface eﬀects and geometry on the band gap properties are discussed separately. This study contributes positively to the design and active control of nanoelectromechanical systems.

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来源期刊

Journal of Theoretical and Applied Mechanics 物理-力学

CiteScore

1.40

自引率

14.30%

发文量

审稿时长

6 months

期刊介绍： The scope of JTAM contains: - solid mechanics - fluid mechanics - fluid structures interactions - stability and vibrations systems - robotic and control systems - mechanics of materials - dynamics of machines, vehicles and flying structures - inteligent systems - nanomechanics - biomechanics - computational mechanics