Scattering of waves by articulated floating elastic plates in water of infinite depth

被引:23
|
作者
Karmakar, D [1 ]
Sahoo, T [1 ]
机构
[1] Indian Inst Technol, Dept Ocean Engn & Naval Architecture, Kharagpur 721302, W Bengal, India
关键词
articulated plate; reduction method; mixed-type Fourier transforms; hydroelasticity; very large floating structures;
D O I
10.1016/j.marstruc.2006.01.002
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
The wave scattering by an articulated floating elastic plate in water of infinite depth is analyzed in the linearized theory of water waves. Using the geometrical symmetry of the articulated plate, the associated boundary value problem in the half-plane is reduced to two boundary value problems in the quarter plane, whose solutions are derived by the direct application of a mixed-type Fourier transform and the corresponding mode-coupling relation. The articulated plate is modeled as the assembling of two semi-infinite thin clastic plates which are attached by connectors. The hydroelastic behavior of the floating elastic plate is investigated by analyzing the stiffness of the connectors on the reflection and transmission characteristics of the flexural gravity waves. The phase and group velocity, reflection and transmission coefficient and the vertical displacement response of the elastic plate are computed and analyzed to understand the effect of articulation on the wave motion below the plate. (c) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码:451 / 471
页数:21
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