Free vibration analysis of a hard-coating cantilever cylindrical shell with elastic constraints

被引：43
|
作者：
Sun, Wei [1 ]
Zhu, Mingwei [1 ]
Wang, Zhuo
机构：
[1] Northeastern Univ, Sch Mech Engn Automat, Shenyang 110819, Peoples R China
来源：
AEROSPACE SCIENCE AND TECHNOLOGY | 2017年 / 63卷
基金：
中国国家自然科学基金;
关键词：
Elastic constraints; Hard coating; Cylindrical shell; Free vibration; Analytical analysis; LAMINATED COMPOSITE; DAMPING CHARACTERISTICS; PANEL; PLATE; LAYER; FREQUENCIES;
D O I：
10.1016/j.ast.2017.01.002
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
In this article, free vibration of the hard-coating cantilever cylindrical shell is investigated considering the elastic constraints at the clamped end. Love's first approximation theory and Rayleigh-Ritz method are applied to build the analytical model of hard-coating cylindrical shell. In the modeling process, orthogonal polynomials are used as admissible displacement functions to formulate the displacement field, and the elastic constraints are simulated by constrained springs whose stiffness values are determined using model updating technique. The developed model has been validated by the comparison between the natural frequencies obtained by analytical calculation and by experiment respectively. Finally, the influences of hard-coating parameters, including thickness, Young's modulus and loss factor, on the vibration characteristics of the cylindrical shell are studied. (C) 2017 Elsevier Masson SAS. All rights reserved.
引用
收藏
页码：232 / 244
页数：13
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