Abstract
As a shoreline erosion mitigation measure, nearshore reefs have attracted increasing attention. Nearshore reefs are wide submerged porous structures with mild natural slopes constructed in shallow nearshore waters. These reefs mitigate shoreline erosion by managing wave energy through a variety of wave transformation processes (e.g., refraction and energy dissipation through breaking and internal turbulence and friction). Wave attenuation over solid impermeable structures have been widely studied (e.g., Gurley 1994; Chella et al., 2015; Lowe et al., 2022). On the other hand, details of wave transformation over wide porous reef structures and the corresponding rate of wave energy dissipation are yet to be understood. The goal of this study is to develop a better understanding of how waves interact with porous nearshore reefs using Computational Fluid Dynamics (CFD).
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