Finite element modeling and vibration reduction analysis of cylindrical shell structures with equal⁃angle attachment of piezoelectric shunt patches

被引：0
|
作者：
Sun W. [1 ,2 ]
Yang J. [1 ,2 ]
机构：
[1] School of Mechanical Engineering and Automation, Northeastern University, Shenyang
[2] Key Laboratory of Vibration and Control for Aerospace Power Equipment, Ministry of Education, Northeastern University, Shenyang
来源：
Jilin Daxue Xuebao (Gongxueban)/Journal of Jilin University (Engineering and Technology Edition) | 2024年 / 54卷 / 02期
关键词：
equal-angle attachment; finite element modeling; mechanical design and theory; piezoelectric shunt; thin-walled cylindrical shell; vibration reduction analysis;
D O I：
10.13229/j.cnki.jdxbgxb.20220416
中图分类号：
学科分类号：
摘要：
Considering that the cylindrical shell structure is prone to produce the petal-shaped mode shape，a method of vibration suppression is proposed to attach multiple piezoelectric shunt patches with equal-angle. Based on the ANSYS platform，the coupling between the cylindrical shell and the piezoelectric patches structure is realized，and the parameter input method of the electronic components in the shunt circuit and the coupling process between the piezoelectric patches are given. A case study is carried out on a cylindrical shell with four piezoelectric shunt patches attached with equal-angle as the object，and the rationality of the proposed finite element modeling method and the vibration reduction effect of the piezoelectric shunt damping patches on the cylindrical shell are proved by experiments. Based on the analysis of the influence of parameters，it can be found that there is an optimal resistance value for the resistance shunt circuit to achieve the optimal damping effect and it is beneficial to reduce vibration when piezoelectric patches are attached to the region with relatively large deformation and increasing the size of piezoelectric patches. © 2024 Editorial Board of Jilin University. All rights reserved.
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页码：365 / 374
页数：9
相关论文
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