Abstract

A novel method is proposed to control the wave direction incoming to harbors. In this method, navigation channel to the port entrance is deeply dredged in V-shaped cross-section in order to disperse the wave directions. The channel alignment is parallel to the direction of incoming waves so that it has an effect to refract the waves like a concave lens. The typical length, width, and depth of the channel examined in this study are 1, 000 m, 200 m, and 10 m, respectively. The applicability of the method is examined by means of laboratory experiments and numerical simulations. Both the experimental and numerical results have shown the remarkable effect of the proposed method in attenuating the incident waves to the port entrance.

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