Finite element modeling and dynamic analysis of passive constrained layer damping plate based on laminated theory

被引：0

作者：

Huang Z. ^{[1
]}

Wang X. ^{[1
]}

Wu N. ^{[1
]}

Chu F. ^{[2
]}

Luo J. ^{[3
]}

机构：

[1] College of Mechatronic Engineering, Jingdezhen Ceramic University, Jingdezhen

[2] Department of Mechanical Engineering, Tsinghua University, Beijing

[3] Beijing Research Institute of Automation for Machinery Industry Co., Ltd., Beijing

来源：

Zhendong yu Chongji/Journal of Vibration and Shock | 2020年 / 39卷 / 23期

关键词：

Finite element method; Laminated theory; Passive constrained layer damping (PCLD) plate; Viscoelastic material;

D O I：

10.13465/j.cnki.jvs.2020.23.022

中图分类号：

学科分类号：

摘要：

The finite element dynamic model of a passive constrained layer damping (PCLD) plate was established based on the laminated theory. A 3-layer plate element with four-node and 5-DOF per node was constructed to simulate interaction among base plate, viscoelastic damping layer and constraint layer. The frequency-dependent properties of viscoelastic material were described with Biot model, and they were introduced into the finite element dynamic equation of a PCLD plate by means of auxiliary coordinates, and then the latter was converted into the ordinary second-order differential equation form to simplify the solving process. The effectiveness of the proposed method was verified with the comparison between numerical examples and test results. Results showed that compared with the traditional finite element modeling theory, using the laminated theory can reduce the structure's DOF and have good calculation accuracy. © 2020, Editorial Office of Journal of Vibration and Shock. All right reserved.

引用

页码：148 / 153and201

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