Buckling of the composite sandwich cylindrical shell with clamped ends under uniform external pressure

被引：42

作者：

Lopatin, A. V. ^{[1
]}

Morozov, E. V. ^{[2
]}

机构：

[1] Siberian State Aerosp Univ, Dept Aerosp Engn, Krasnoyarsk, Russia

[2] Univ New S Wales, Sch Engn & Informat Technol, Canberra, ACT, Australia

来源：

COMPOSITE STRUCTURES | 2015年 / 122卷

关键词：

Composite sandwich cylindrical shells; Buckling; Uniform external pressure; Clamped edges; Galerkin method; AXISYMMETRICAL SHELLS; MODEL;

D O I：

10.1016/j.compstruct.2014.11.048

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

An approximate analytical solution of the buckling problem formulated for a composite sandwich cylindrical shell subjected to a uniform external lateral pressure is presented in the paper. Both ends of the shell of finite length are fully clamped. The problem is solved using the Galerkin method. The analytical formula for the critical load has been obtained and verified by comparison with a finite-element solution. Based on this formula buckling analyses of sandwich pipes with different types of core materials normally used in underwater applications have been performed. Applications of the formula to the solutions of design problems have been demonstrated for the clamped-clamped sandwich pipes considering constraints imposed on the value of critical pressure. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：209 / 216

页数：8

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