Dynamic ultimate strength of outer bottom stiffened plates under in-plane compression and lateral pressure

被引：25
|
作者：
Yang, Bin [1 ,2 ]
Wu, Jia-meng [1 ,2 ,3 ]
Guedes Soares, C. [4 ]
Wang, De-yu [1 ,2 ]
机构：
[1] Shanghai Jiao Tong Univ, State Key Lab Ocean Engn, Shanghai 200240, Peoples R China
[2] Collaborat Innovat Ctr Adv Ship & Deep Sea Explor, Shanghai 200240, Peoples R China
[3] Marine Design & Res Inst China, Shanghai 200011, Peoples R China
[4] Univ Lisbon, Ctr Marine Technol & Ocean Engn CENTEC, Inst Super Tecn, Lisbon, Portugal
来源：
OCEAN ENGINEERING | 2018年 / 157卷
关键词：
Dynamic ultimate strength; In-plane compressive loading; Rotational restraints; Strain rate; Initial imperfection; ELASTICALLY RESTRAINED EDGES; RECTANGULAR-PLATES; BOX GIRDERS; THIN PLATES; V-GROOVES; IMPACT; PANELS; ELEMENTS; LOADS;
D O I：
10.1016/j.oceaneng.2018.03.051
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 investigation in conducted on the dynamic ultimate strength of ship bottom stiffened plates under uniaxial compression and lateral pressure. The nonlinear finite element method is adopted, considering both material and geometric non-linearities. The dynamic ultimate strength of a tested specimen is calculated based on the nonlinear finite element method, and the comparison with test results shows the applicability of the present numerical method. The static ultimate strength of stiffened plate structures obtained with the numerical method is compared with an empirical formulation and the error is within the allowable range. Then, the influence of modes and magnitudes of initial imperfections, boundary conditions, lateral pressure, strain rate and structural dimensions, on the dynamic ultimate strength are discussed.
引用
收藏
页码：44 / 53
页数：10
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