Free vibration of circular cylindrical shell with constrained layer damping

被引：47

作者：

Cao, Xiong-tao ^{[1
]}

Zhang, Zhi-yi ^{[1
]}

Hua, Hong-xing ^{[1
]}

机构：

[1] Shanghai Jiao Tong Univ, State Key Lab Mech Syst & Vibrat, Shanghai 200240, Peoples R China

来源：

APPLIED MATHEMATICS AND MECHANICS-ENGLISH EDITION | 2011年 / 32卷 / 04期

关键词：

sandwich shell; cylindrical shell; viscoelastic material; constrained layer damping; free vibration; BOUNDARY-CONDITIONS; VISCOELASTIC LAYER; CLD TREATMENT; FREQUENCY; RADIATION; PLATES; BEAMS; CORE;

D O I：

10.1007/s10483-011-1433-7

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

Free vibration characteristics of circular cylindrical shell with passive constrained layer damping (PCLD) are presented. Wave propagation approach rather than finite element method, transfer matrix method, and Rayleigh-Ritz method is used to solve the problem of vibration of PCLD circular cylindrical shell under a simply supported boundary condition at two ends. The governing equations of motion for the orthotropic cylindrical shell with PCLD are derived on the base of Sanders' thin shell theory. Numerical results show that the present method is more effective in comparison with other methods. The effects of the thickness of viscoelastic core and constrained layer, the elastic modulus ratio of orthotropic constrained layer, the complex shear modulus of viscoelastic core on frequency parameter, and the loss factor are discussed.

引用

页码：495 / 506

页数：12

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