LONG WAVE INTERACTION WITH STEEPLY SLOPING STRUCTURES

Stephan T. Grilli, Ib A. Svendsen

Abstract


A fully nonlinear model for free surface potential flows is used to analyze the transformation of solitary waves above a mild slope, from intermediate to shallow water (shoaling, overturning), and to study the interaction of these waves with coastal structures located in the shallow area. Computations include wave runup, overturning and reflection form steep slopes or vertical wall, and from a combination of a slope and a submerged breakwater. Results are compared with other numerical, analytical and experimental results. Effects of the submerged breakwater, of making horizontal velocities more uniform over depth and of reducing wave runup on the slope, are further detailed.

Keywords


sloping structures; long wave; wave interaction; steep slope

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