Buckling Analysis of Thin-Walled Circular Shells under Local Axial Compression using Vector Form Intrinsic Finite Element Method

被引：3
|
作者：
Ma, Wenliang [1 ,2 ]
Sun, Zihan [2 ,3 ]
Wu, Han [3 ]
Xu, Leige [2 ]
Zeng, Yong [4 ]
Wang, Yanxing [5 ]
Huang, Guangyin [5 ]
机构：
[1] North China Univ Water Resources & Elect Power, Sch Water Conservancy, Zhengzhou 450046, Peoples R China
[2] North China Univ Water Resources & Elect Power, Sch Civil Engn & Commun, Zhengzhou 450046, Peoples R China
[3] Chinese Acad Sci, Inst Mech, Key Lab Mech Fluid Solid Coupling Syst, Beijing 100190, Peoples R China
[4] Survey & Design Inst Co Ltd, Henan Prov Commun Planning, Zhengzhou 450046, Peoples R China
[5] North China Univ Water Resources & Elect Power, Dept Capital Construct, Zhengzhou 450046, Peoples R China
来源：
METALS | 2023年 / 13卷 / 03期
关键词：
vector form intrinsic finite element; thin-walled circular shells; local axial compression buckling; postbuckling; multilinear hardening model; CYLINDRICAL-SHELLS; NONLINEAR-ANALYSIS; FUNDAMENTALS; BEHAVIOR; FRAME; MODEL;
D O I：
10.3390/met13030564
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The buckling failure of thin-walled circular shells under local axial compression is common in engineering. This study uses the vector form intrinsic finite element (VFIFE) method to investigate the buckling behavior of thin-walled circular shells under local axial compression by introducing a multilinear hardening model, taking into account geometric and material nonlinearity. A buckling analysis program based on the VFIFE method was developed and verified by comparison with experimental results. The buckling mode and postbuckling behavior of thin-walled circular shells were studied by using the verified program. The results show that the VFIFE method with a multilinear hardening model can accurately calculate the buckling load of local axially compressed thin-walled circular shells, and effectively simulate the buckling development process, which offers great advantages in predicting the postbuckling of structures.
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页数：20
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