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Wave diffraction and near-trapping by a multi-column gravity based structure


Reference:

Walker, D., Eatock Taylor, R., Taylor, P. and Zang, J., 2008. Wave diffraction and near-trapping by a multi-column gravity based structure. Ocean Engineering, 35 (2), pp. 201-229.

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Official URL:

http://dx.doi.org/10.1016/j.oceaneng.2007.08.005

Abstract

This paper is concerned with the diffraction of water waves by offshore structures, with the ultimate aim of proposing tools for guiding airgap design. The diffraction of monochromatic waves by an array of four bottom mounted cylinders and a gravity-based structure is studied in detail using linear and second order theory. The phenomenon of near-trapping is investigated, allowing guidelines for airgap design to be established. When contemplating airgap design, however, it is crucially important that consideration is given to the largest waves in a sea state. Therefore, in this study a design wave, called NewWave, is proposed as a realistic model for large ocean waves and is used as the incident wave field in the wave-structure diffraction analysis.

Details

Item Type Articles
CreatorsWalker, D., Eatock Taylor, R., Taylor, P. and Zang, J.
DOI10.1016/j.oceaneng.2007.08.005
Uncontrolled Keywordsairgap, linear diffraction, second order diffraction, near-trapped modes, newwave
DepartmentsFaculty of Engineering & Design > Architecture & Civil Engineering
RefereedYes
StatusPublished
ID Code13081

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