Effect of piezoelectric patch on natural frequencies of Timoshenko beam made of functionally graded material

被引：4
作者：
Khiem, Nguyen Tien [1 ]
Hai, Tran Thanh [2 ]
Huong, Luu Quynh [3 ]
机构：
[1] Ho Chi Minh City Univ Technol HUTECH, Ctr Interdisciplinary Res, 475A Dien Bien Phu Str, Ho Chi Minh City, Vietnam
[2] Vietnam Acad Sci & Technol, Inst Mech, 264 Doi Can, Hanoi, Vietnam
[3] ThuyLoi Univ, Fac Water Resources Engn, 175 Tay Son, Hanoi, Vietnam
来源：
MATERIALS RESEARCH EXPRESS | 2020年 / 7卷 / 05期
关键词：
functionally graded material; piezoelectric material; modal analysis; Timoshenko beam; FREE-VIBRATION ANALYSIS; FINITE-ELEMENT; MODAL-ANALYSIS; CRACK; IDENTIFICATION; ACTUATORS; DYNAMICS; SENSORS;
D O I：
10.1088/2053-1591/ab8df5
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The present paper addresses developing the Dynamic Stiffness Method (DSM) for natural frequency analysis of functionally graded beam with piezoelectric patch based on the Timoshenko beam theory and power law of material grading. Governing equations and general solution of free vibration are conducted for the beam element with piezoelectric layer that is modelled as a homogeneous Timoshenko beam. The obtained solution allows establishing dynamic stiffness matrix for modal analysis of FGM beam with bonded piezoelectric distributed sensors/actuators. Effect of thickness and position of the smart sensors/actuators and material parameters on natural frequencies is studied with the aim for dynamic testing and health monitoring of FGM structures. The theoretical developments are validated and illustrated by numerical examples.
引用
收藏
页数：17
相关论文
共 36 条
1234