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- W2185959342 abstract "Smoothed Particle Hydrodynamics (SPH) is used to simulate the movement of a caisson breakwater in the surf zone. The open-source code SPHysics is used with a Riemann solver-based formulation. The friction force between the moving caisson and the bed is modelled with a transition from static to dynamic friction force. Results are presented for two-dimensional simulations and compared with experiments for the movement of a caisson breakwater under the forcing of periodic waves. Promising agreement with experimental data is obtained for the displacement and the horizontal forces on the caisson. It is demonstrated that the peak impact forces are better captured using finer resolution and that a Riemann solver-based formulation produces a better agreement with experiment for the predicted caisson displacement than conventional SPH. RESUME La methode Smoothed Particle Hydrodynamics (SPH) est utilisee pour modeliser le mouvement d’un caisson briseur des vagues dans la zone de surf. Le code open-source SPHysics est utilise avec un solver de Riemann. Le frottement entre le caisson et le fond est modelise a l’aide d’une force de frottement de transition statique-dynamique. Les resultats sont presentes en deux dimensions et compares avec des experiences pour le mouvement d’un caisson sous des vagues regulieres. Un accord prometteur est obtenu pour ce qui est du deplacement du caisson et des forces horizontales qu’il recoit. On montre que le pic de la force d’impact est mieux reproduit avec une resolution plus fine, et que le solver de Riemann produit de meilleurs resultats que la formulation standard SPH pour le deplacement du caisson." @default.
- W2185959342 created "2016-06-24" @default.
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- W2185959342 date "2010-01-01" @default.
- W2185959342 modified "2023-09-26" @default.
- W2185959342 title "Simulation of caisson breakwater movement using 2-D SPH Simulation du mouvement d'un caisson de brise-lames avec SPH 2D" @default.
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