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Cited 7 time in webofscience Cited 9 time in scopus
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Boundary element modeling of multidirectional random wave diffraction by multiple rectangular submarine pits

Authors
Lee, HS
Issue Date
Sep-2004
Publisher
ELSEVIER SCI LTD
Keywords
boundary elements; submarine pits; random waves; wave diffraction
Citation
ENGINEERING ANALYSIS WITH BOUNDARY ELEMENTS, v.28, no.9, pp 1149 - 1155
Pages
7
Journal Title
ENGINEERING ANALYSIS WITH BOUNDARY ELEMENTS
Volume
28
Number
9
Start Page
1149
End Page
1155
URI
https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/24779
DOI
10.1016/j.enganabound.2004.04.002
ISSN
0955-7997
1873-197X
Abstract
The diffraction of multidirectional random surface waves by one or more rectangular submarine pits is investigated theoretically. The present method is based on the principle of cumulative superposition of diffraction solutions for linear Airy wave theory obtained by a two-dimensional boundary integral equation in water of uniform depth. The constant segment mode has been utilized to obtain the velocity potentials on the interface of each pit, and a specified discrete form of the Mitsuyasu directional spectrum is used for the incident wave conditions. The results of the present model have been validated through the comparison with those obtained by previous works (kh < 1, long wave) for random wave diffraction by single or multiple pits. A further investigation for random wave diffraction has been also studied by considering short wave range kh > 1. In accordance with reasonable agreement from these comparisons, it is concluded that the present BEM numerical model may accurately be utilized to predict the wave field around multiple submarine pits or navigation channels in many practical applications. (C) 2004 Elsevier Ltd. All rights reserved.
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College of Engineering > School of Civil and Environmental Engineering, Urban Design and Studies > 1. Journal Articles

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