Dynamic buckling analysis of stiffened panels under in-plane uniaxial impact considering plate/web interaction

被引：3
|
作者：
Xiong, Yufei [1 ,2 ]
Shi, Guijie [1 ,2 ]
Wang, Fuhua [3 ]
Wang, Deyu [1 ,2 ]
机构：
[1] Shanghai Jiao Tong Univ, Sch Naval Architecture Ocean & Civil Engn, State Key Lab Ocean Engn, Shanghai 200240, Peoples R China
[2] Shanghai Jiao Tong Univ, Inst Marine Equipment, Shanghai 200240, Peoples R China
[3] Marine Design & Res Inst China, Shanghai 200011, Peoples R China
来源：
OCEAN ENGINEERING | 2023年 / 279卷
基金：
中国国家自然科学基金;
关键词：
Dynamic elastic buckling; Axial impact; Stiffened panel; Stiffener web behavior; ELASTICALLY RESTRAINED EDGES; RECTANGULAR-PLATES; STRENGTH;
D O I：
10.1016/j.oceaneng.2023.114462
中图分类号：
U6 [水路运输]; P75 [海洋工程];
学科分类号：
0814 ; 081505 ; 0824 ; 082401 ;
摘要：
An analytical method is proposed by using the large-deflection theory to determine the axial dynamic buckling strength of stiffened panels with simply supported edges and isotropic linear-elastic materials. The buckling behavior of the attached plates and stiffener are separately expressed by various displacement functions. These displacement functions are expressed by trigonometric and hyperbolic series, which satisfy the boundary con-ditions and the motion governing equations for the stiffened panels. The method is validated by comparing its predictions with finite element results for a typical stiffened plate. Then, the influence of several critical pa-rameters, including initial imperfection, impact load, and stiffener torsional rigidity, on the dynamic deflection and critical buckling load are studied. The results reveal that the local web behavior has a significant influence on the dynamic buckling behavior of stiffened panel.
引用
收藏
页数：14
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