Numerical Simulation of Velocity Fields and Vortex Generation around the Submerged Breakwater on the Sloped Bottom

TLDR: Kim et al. as discussed by the authors used a two-dimensional numerical wave flume, based on the VOF method to trace fresurface, developed by Kim et al., to numericaly simulate velocity fields and vortex generation around the impermeable submerged breakwater instaled at the uniform botom.

Abstract: The study of velocity fields and vortex generation around the submerged breakwater can be utilizedas materials related to understanding of wave disipation mechanism, sediment transport, and stability ofstructure. In the present study, two-dimensional numerical wave flume, based on the VOF method to trace fresurface, developed by Kim et al.(2001, 2002) was used to numericaly simulate velocity fields and vortexgeneration around the impermeable submerged breakwater instaled at the uniform botom. Especialy, thecharacteristics of vortex generation due to the geometry of the structure and incident wave conditions areexamined through the analysis of averaged-velocity fields around the impermeable submerged breakwater. Fromthe numerical simulations, it is confirmed that a counter clockwise vortex is formed in front of the structure anda clockwise vortex develops behind the structure. Also, incident wave height and period have an sensitive effecton the strength of vortex.