Study of vibrations in micro-scale piezothermoelastic beam resonator utilising modified couple stress theory

被引：8

作者：

Sahrawat, Ravinder Kumar ^{[1
]}

Duhan, Arti ^{[1
]}

Kumar, Krishan ^{[1
]}

机构：

[1] Deenbandhu Chhotu Ram Univ Sci & Technol, Dept Math, Murthal 131039, India

来源：

ACTA MECHANICA | 2023年 / 234卷 / 08期

关键词：

INTERNAL-FRICTION; NONLINEAR DYNAMICS; CHAOTIC DYNAMICS; FLEXIBLE BEAMS; MODEL; FREQUENCY;

D O I：

10.1007/s00707-023-03575-6

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

This paper deals with the study of vibrations in piezothermoelastic microbeam resonator using modified couple stress theory. The closed form expressions for deflection, electric potential and temperature distribution for the beam have been derived. The solution is presented under clamped-free boundary condition. Analytical expressions for thermoelastic damping, frequency shift and attenuation are obtained and effects of electric potential, thermal relaxation time, temperature, beam dimensions and couple stress have been depicted graphically. The numerical results are presented with the help of MATLAB programming software in case of a lead zirconate titanate (PZT)-5A material.

引用

页码：3557 / 3573

页数：17

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