A numerical model for the simulation of two-dimensional spilling breaking waves, derived from the Cointe and Tulin's theory of steady breakers, is described. With respect to the original theory, we use a new expression, based on experimental data, of the breaker height. The model has been implemented in a RANSE code, developed for the study of ship flows, through a modification in the boundary conditions. This yields an effective but simple way to reproduce the breaker influence on the underlying flow. The resulting code has been used for the simulation of the flow past a submerged hydrofoil. The numerical results are compared with the experimental data obtained by Duncan.
A Model for Spilling Breaking in RANSE Simulations
Di Mascio A.
2002-01-01
Abstract
A numerical model for the simulation of two-dimensional spilling breaking waves, derived from the Cointe and Tulin's theory of steady breakers, is described. With respect to the original theory, we use a new expression, based on experimental data, of the breaker height. The model has been implemented in a RANSE code, developed for the study of ship flows, through a modification in the boundary conditions. This yields an effective but simple way to reproduce the breaker influence on the underlying flow. The resulting code has been used for the simulation of the flow past a submerged hydrofoil. The numerical results are compared with the experimental data obtained by Duncan.Pubblicazioni consigliate
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