Hydroelastic analysis of flexible floating interconnected structures

被引：144
作者：
Fu, Shixiao [1 ]
Moan, Torgeir
Chen, Xujun
Cui, Weicheng
机构：
[1] Norwegian Univ Sci & Technol, Ctr Ships & Ocean Struct, N-7491 Trondheim, Norway
[2] Shanghai Jiao Tong Univ, Sch Naval Architecture Ocean & Civil Engn, Shanghai 200030, Peoples R China
[3] China Ship Sci Res Ctr, Wuxi 214082, Peoples R China
来源：
OCEAN ENGINEERING | 2007年 / 34卷 / 11-12期
关键词：
interconnected structures; hinge modes; linear hydroelasticity; frequency domain; bending moment; displacement;
D O I：
10.1016/j.oceaneng.2007.01.003
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：
Three-dimensional hydroelasticity theory is used to predict the hydroelastic response of flexible floating interconnected structures. The theory is extended to take into account hinge rigid modes, which are calculated from a numerical analysis of the structure based on the finite element method. The modules and connectors are all considered to be flexible, with variable translational and rotational connector stiffness. As a special case, the response of a two-module interconnected structure with very high connector stiffness is found to compare well to experimental results for an otherwise equivalent continuous structure. This model is used to study the general characteristics of hydroelastic response in flexible floating interconnected structures, including their displacement and bending moments under various conditions. The effects of connector and module stiffness on the hydroelastic response are also studied, to provide information regarding the optimal design of such structures. (c) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1516 / 1531
页数：16
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