Flexible Porous Breakwater

by Keh-Han Wang, Univ of Houston, Houston, United States,
Xugui Ren, Univ of Houston, Houston, United States,



Document Type: Proceeding Paper

Part of: Engineering Mechanics

Abstract:

This is a theoretical study of the reflection and transmission of linear waves by a flexible, porous and thin beam-like breakwater held fixed in the sea bed. The breakwater is idealized as a one-dimensional beam of uniform flexural rigidity and mass per unit length. The reflected and transmitted wave profiles are obtained analytically together with the hydrodynamic force acting on the breakwater. The displacements and moments of the structure under different wave conditions are also determined. The effects of the rigidity and porosity of the breakwater during the wave-breakwater encounter are discussed.

Subject Headings: Water waves | Coastal protection structures | Breakwaters | Rigidity | Porous media | Wave reflection | Breaking waves

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