Buckling and post-buckling behaviors of 1/3 composite cylindrical shell with an opening

被引：5
|
作者：
Ma, Yihao [1 ]
Cheng, Xiaoquan [1 ,2 ]
Wang, Zhaodi [3 ]
Guo, Xin [1 ]
Zhang, Jie [1 ]
Xu, Yahong [3 ]
机构：
[1] Beihang Univ, Sch Aeronaut Sci & Engn, Beijing 100191, Peoples R China
[2] Beihang Univ, Minist Ind & Informat Technol, Key Lab Aircraft Adv Design Technol, Beijing 100191, Peoples R China
[3] CASIC, Inst 306, Acad 3, Beijing 100074, Peoples R China
来源：
STEEL AND COMPOSITE STRUCTURES | 2018年 / 27卷 / 05期
关键词：
composite shell; opening; post-buckling; Newton-Raphson method; FEM; axial compression; AXIAL-COMPRESSION; CONICAL SHELLS; SANDWICH PLATES; PANELS; IMPERFECTIONS; DEFORMATION; PRESSURE; COLLAPSE; FAILURE; CUTOUTS;
D O I：
10.12989/scs.2018.27.5.555
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
A 1/3 composite cylindrical shell with a central rectangular opening was axially compressed experimentally, and its critical buckling load and displacement, and strains were measured. A finite element model (FEM) of the shell with Hashin failure criteria was established to analyze its buckling and post-buckling behaviors by nonlinear Newton-Raphson method. The geometric imperfection sensitivity and the effect of side supported conditions of the shell were investigated. It was found that the Newton-Raphson method can be used to analyze the buckling and post-buckling behaviors of the shell. The shell is not sensitive to initial geometric imperfection. And the support design of the shell by side stiffeners is a good way to obtain the critical buckling load and simplify the experimental fixture.
引用
收藏
页码：555 / 566
页数：12
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