# Dykes for filtering ocean waves using c-shaped vertical cylinders

## TL;DR

This paper explores the design of wave-damping dykes using C-shaped vertical cylinders that leverage metamaterial resonances and Bragg scattering to selectively filter ocean surface waves, potentially protecting coastlines during storms.

## Contribution

It introduces a novel dyke design employing C-shaped cylinders that utilize low frequency metamaterial resonances and Bragg effects for wave filtering.

## Key findings

- The proposed dyke structure effectively attenuates storm swell waves.
- The design selectively filters specific wave wavelengths without impacting other conditions.
- The approach combines metamaterial resonance with periodic lattice effects for wave control.

## Abstract

The present study investigates a way to design dykes which can filter the wavelengths of ocean surface waves. This offers the possibility to achieve a structure that can attenuate waves associated with storm swell, without affecting coastline in other conditions. Our approach is based on low frequency resonances in metamaterials combined with Bragg frequencies for which waves cannot propagate in periodic lattices.