Bending Analysis of Circular Piezoelectric Semiconductor Plates Incorporating Flexoelectricity

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外文摘要：Based on the three-dimensional(3D)basic equations of piezoelectric semiconductors(PSs),we establish a two-dimensional(2D)deformation-polarization-carrier coupling bending model for PS structures,taking flexoelectricity into consideration.The analytical solutions to classical flexure of a clamped circular PS thin plate are derived.With the derived analytical model,we numerically investigate the distributions of electromechanical fields and the concentration of electrons in the circular PS thin plate under an upward concentrated force.The effect of flexoelectricity on the multi-field coupling responses of the circular PS plate is studied.The obtained results provide theoretical guidance for the design of novel PS devices.

外文关键词：

Piezoelectric semiconductorPlate modelFlexoelectricityMulti-field coupling

作者：

Liang Sun、Zhengguang Xiao、Chunli Zhang、Weiqiu Chen

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作者单位：

Department of Engineering Mechanics,Zhejiang University,Hangzhou 310027,China

Department of Basic Courses,Naval University of Engineering,Wuhan 430033,China

Huanjiang Laboratory,Zhuji 311816,China

基金：

National Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNatural Science Foundation of Zhejiang province,Chinaspecialized research projects of Huanjiang Laboratory

项目编号：

121723261197231912302210LR21A020002

出版年：

2024

DOI：

10.1007/s10338-024-00466-8

固体力学学报(英文版)

中国力学学会

固体力学学报(英文版)

影响因子：0.214

ISSN：0894-9166

年,卷(期)：2024.37(4)