Analysis of Damping Characteristics for Tubular Transition Layer Constrained Damping Structure

被引：0

作者：

Zhang W. ^{[1
,2
]}

Sun D. ^{[1
]}

Yan B. ^{[1
]}

Li Z. ^{[1
]}

Liu S. ^{[2
]}

机构：

[1] Mechanical Engineering College, Taiyuan University of Science and Technology, Taiyuan

[2] Transportation and Logistics College, Taiyuan University of Science and Technology, Taiyuan

来源：

Yingyong Jichu yu Gongcheng Kexue Xuebao/Journal of Basic Science and Engineering | 2020年 / 28卷 / 02期

关键词：

Damping structure; First order ordinary differential matrix equation; Loss factor; Natural frequency; Transition layer; Tubular structure;

D O I：

10.16058/j.issn.1005-0930.20209.02.019

中图分类号：

学科分类号：

摘要：

The concept of "transition layer" is introduced and the tubular transition layer constrained damping structure (TTLCDS) is proposed.The transition layer can further enlarge the deformation of damping layer to make TTLCDS have a much better damping effect than that of tradition damping structure.Based on the theories of viscoelastic materials and thin cylindrical shells, the governing equation describing vibration of TTLCDS under harmonic excitation, which can be written in a matrix differential equation of first order, is derived by considering the interactions between adjoining layer and the dissipation due to the shear deformation of transition layer and viscoelastic layer.By using the extended homogeneous capacity precision integration approach to solve the control equation, it gives an analytical method to study damping characteristics of TTLCDS.The method provided by the article is reliable, which can be tested by comparing the results computed by using the article method and by FEM. © 2020, The Editorial Board of Journal of Basic Science and Engineering. All right reserved.

引用

页码：460 / 474

页数：14

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