Time-domain spectral element method for 3-D wave propagation analysis of piezoelectric coupled structures

被引：0
|
作者：
Yu Z. [1 ]
Xu C. [1 ]
机构：
[1] School of Astronautics, Northwestern Polytechnic University, Xi'an
来源：
Xu, Chao | 2018年 / Chinese Vibration Engineering Society卷 / 37期
关键词：
Elastic wave; Piezoelectric coupled structures; Spectral element method; Structural health monitoring;
D O I：
10.13465/j.cnki.jvs.2018.16.021
中图分类号：
学科分类号：
摘要：
Piezoelectric actuators and sensors are widely applied in structural health monitoring (SHM). To simulate the elastic wave propagation in piezoelectric coupled structures, a 3-D piezoelectric coupled solid time-domain spectral element method (SEM) was proposed in this paper. The propagation of guided waves was analyzed in the cases in which the piezoelectric patches work as actuators or sensors by using the proposed method and the traditional finite element method (FEM). The experimental study was carried out to further validate the proposed SEM method. The results show that, compared to the FEM, the proposed SEM can reduce the computational cost and required memory space dramatically, and it has better convergence capability to simulate the A0 mode wave. The experimental work further validates the proposed method's effectiveness. © 2018, Editorial Office of Journal of Vibration and Shock. All right reserved.
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页码：140 / 146
页数：6
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