A study on free vibration of a ring-stiffened thin circular cylindrical shell with arbitrary boundary conditions

被引：27

作者：

Pan, Zhi ^{[1
]}

Li, Xuebin ^{[1
]}

Ma, Janjun ^{[1
]}

机构：

[1] Wuhan 2nd Ship Design & Res Inst, Wuhan, Hubei Province, Peoples R China

来源：

JOURNAL OF SOUND AND VIBRATION | 2008年 / 314卷 / 1-2期

关键词：

D O I：

10.1016/j.jsv.2008.01.008

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

The vibration of ring-stiffened cylinders associated with arbitrary boundary conditions is investigated. Displacements of cylinders can be easily described by trigonometric functions when the cylinders are shear diaphragms supported at both ends. As to other boundary conditions, exponential functions are used and axial factors are introduced. An eighth-order algebraic equation for this axial factor is derived. The physical meaning of the axial factor is studied. Both analytical and numerical studies prove that, when the axial factor is a pure imaginary number, the cylinder appears to have a certain length with shear diaphragm boundary conditions. The effects of shell parameters and hydrostatic pressure on the axial factor are determined in the analysis. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：330 / 342

页数：13

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