TECHNICAL PAPERS
Nov 1, 1995

Oblique-Wave Diffraction by Noncollinear Segmented Offshore Breakwaters

Publication: Journal of Waterway, Port, Coastal, and Ocean Engineering
Volume 121, Issue 6

Abstract

A theoretical solution is presented for oblique-wave diffraction by a segmented offshore breakwater system consisting of an infinite array of equally spaced vertical barriers oriented at an arbitrary angle to the line joining their centers. The solution is obtained by a Green's function approach. The geometrical periodicity of the breakwater system reduces the problem to that of a singular integral equation for the potential difference across a single breakwater element. Zero-order reflection and transmission coefficients are defined in terms of the amplitudes of the asymptotic (propagating) diffracted waves traveling in the opposite direction to or the same direction as the incident waves, respectively. Numerical values of these coefficients are presented for a range of angles of wave incidence and breakwater orientation, for various breakwater geometric configurations. For certain parameter combinations, significant wave reflection can be achieved using this type of breakwater system.

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Go to Journal of Waterway, Port, Coastal, and Ocean Engineering
Journal of Waterway, Port, Coastal, and Ocean Engineering
Volume 121Issue 6November 1995
Pages: 326 - 333

History

Published online: Nov 1, 1995
Published in print: Nov 1995

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Authors

Affiliations

A. N. Williams
Prof., Dept. of Civ. and Envir. Engrg., Univ. of Houston, Houston, TX 77204-4791.
J. H. Vazquez
Asst. Prof., Dept. of Maritime Systems Engrg., Texas A & M Univ. at Galveston, P.O. Box 1675, Galveston, TX 77553.
T. W. W. Crull
Hydr. Engr., U.S. Army Corps of Engrs., P.O. Box 1229, Galveston District, Galveston, TX 77553.

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