DIRECTIONAL WAVE OVERTOPPING ESTIMATION MODEL AND EXPERIMENTAL VERIFICATION

Tetsuya Hiraishi, Haruhiro Maruyama

Abstract


The accurate estimation of wave overtopping quantity is of great importance for the design of seawalls to protect artificial islands constructed offshore. The estimation model for overtopping rate in multi-directional waves is proposed and it is experimentally verified. The numerical results demonstrate that the overtopping rate in multi-directional waves becomes smaller than in unidirectional waves when the incident principal wave angles are near to the normal to sea wall face. The result becomes reverse when the wave angle is more than 30°.

Keywords


model verification; directional wave; overtopping; overtopping estimation; overtopping model

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