Modeling and analysis of piezoelectric beam with periodically variable cross-sections for vibration energy harvesting

doi:10.1007/s10483-016-2117-8

Applied Mathematics and Mechanics (English Edition) ›› 2016, Vol. 37 ›› Issue (8): 1053-1066.doi: https://doi.org/10.1007/s10483-016-2117-8

Modeling and analysis of piezoelectric beam with periodically variable cross-sections for vibration energy harvesting

M. HAJHOSSEINI, M. RAFEEYAN

Department of Mechanical Engineering, Yazd University, Yazd 89195-741, Iran

收稿日期:2016-01-27 修回日期:2016-04-22 出版日期:2016-08-01 发布日期:2016-08-01
通讯作者: M. HAJHOSSEINI E-mail:M.Hajhosseini@stu.yazd.ac.ir

Modeling and analysis of piezoelectric beam with periodically variable cross-sections for vibration energy harvesting

M. HAJHOSSEINI, M. RAFEEYAN

Department of Mechanical Engineering, Yazd University, Yazd 89195-741, Iran

Received:2016-01-27 Revised:2016-04-22 Online:2016-08-01 Published:2016-08-01
Contact: M. HAJHOSSEINI E-mail:M.Hajhosseini@stu.yazd.ac.ir

摘要/Abstract

摘要：

A bimorph piezoelectric beam with periodically variable cross-sections is used for the vibration energy harvesting. The effects of two geometrical parameters on the first band gap of this periodic beam are investigated by the generalized differential quadrature rule (GDQR) method. The GDQR method is also used to calculate the forced vibration response of the beam and voltage of each piezoelectric layer when the beam is subject to a sinusoidal base excitation. Results obtained from the analytical method are compared with those obtained from the finite element simulation with ANSYS, and good agreement is found. The voltage output of this periodic beam over its first band gap is calculated and compared with the voltage output of the uniform piezoelectric beam. It is concluded that this periodic beam has three advantages over the uniform piezoelectric beam, i.e., generating more voltage outputs over a wide frequency range, absorbing vibration, and being less weight.

关键词: piezoelectric cantilever beam, generalized differential quadrature rule (GDQR), vibration energy harvesting, forced vibration analysis, periodically variable cross-section, vibration band gap

Abstract:

Key words: vibration band gap, periodically variable cross-section, vibration energy harvesting, piezoelectric cantilever beam, forced vibration analysis, generalized differential quadrature rule (GDQR)

中图分类号:

M. HAJHOSSEINI, M. RAFEEYAN. Modeling and analysis of piezoelectric beam with periodically variable cross-sections for vibration energy harvesting[J]. Applied Mathematics and Mechanics (English Edition), 2016, 37(8): 1053-1066.

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Modeling and analysis of piezoelectric beam with periodically variable cross-sections for vibration energy harvesting

Modeling and analysis of piezoelectric beam with periodically variable cross-sections for vibration energy harvesting

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