Author(s): Georgios Leftheriotis; Ioannis Sibetheros; Athanassios Dimas
Linked Author(s):
Keywords: No Keywords
Abstract: An in-house numerical model is employed for the investigation of the hydrodynamic effects of Artificial Reefs (ARs) deployment on wave propagation and attenuation. The model is based on the solution of the 3D Navier–Stokes equations using a Large-Eddy Simulation framework for turbulence modeling. The air-water flow is treated as a single-fluid flow, the Immersed Boundary method is implemented for the imposition of the boundary conditions on solid surfaces, while the evolution of the free surface is based on the Level-Set method. The porous media approach is used to model the ARs presence and flow resistance. The analysis focuses on evaluating the influence of ARs layout on wave transmission. Simulations with one and two rows of ARs are compared to assess the overall impact of their presence, followed by an assessment of the effect of streamwise and spanwise spacing between units on wave attenuation performance.
Year: 2026