Dynamic torsional buckling of cylindrical shells

被引：21

作者：

Xu, Xinsheng ^{[2
,3
]}

Ma, Jianqing ^{[2
,3
]}

Lim, C. W. ^{[1
]}

Zhang, Ge ^{[1
,2
,3
]}

机构：

[1] City Univ Hong Kong, Dept Bldg & Construct, Kowloon, Hong Kong, Peoples R China

[2] Dalian Univ Technol, State Key Lab Struct Anal Ind Equipment, Dalian 116024, Peoples R China

[3] Dalian Univ Technol, Dept Engn Mech, Dalian 116024, Peoples R China

来源：

COMPUTERS & STRUCTURES | 2010年 / 88卷 / 5-6期

关键词：

Cylindrical shell; Dynamic buckling; Hamiltonian system; Local buckling; Torsion; SYMPLECTIC ELASTICITY APPROACH; AXIAL IMPACT; INSTABILITY; BEHAVIOR; SYSTEM; PLATES; TUBES;

D O I：

10.1016/j.compstruc.2009.11.005

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

In this paper the local buckling of cylindrical shell under torsion is discussed. The Hamiltonian system approach is employed to analyze the propagation of shear wave. In this system, critical torsional loads and buckling modes are reduced to a problem of eigenvalues and eigensolutions of increasing orders. Buckling modes are divided into two types, the local torsional buckling modes and the helical buckling modes. For short-time shear wave propagation, local torsional buckling occurs easily. On the contrary, the helical buckling modes appear when the wave propagates for a longer time and these modes correspond to the first-order eigensolution. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：322 / 330

页数：9

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