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Q-Tree Model of Nearshore Flows at Multi-Cusps
Rhythmic beach forms such as multi-cusps result from interaction between nearshore hydrodynamics, sediment dynamics and beach morphology. Wave-induced currents strongly influence transport and mixing processes, and so an accurate understanding of wave-current interaction is extremely important for coastal zone management. This paper presents details of an adaptive quadtree (Q-tree) grid based numerical model of the coupled wave climate and depth-averaged current field. The model has been validated for set-up in a laboratory flume, the longshore current due to oblique waves at a plane beach, and the nearshore circulation pattern at a half-sinusoidal beach. Results from the numerical model are compared with experimental data on nearshore currents at a three-cusp beach installed in the U.K. Coastal Research Facility (UKCRF). On-going advances in the use of a Godunov-type matrix formulation of the shallow water equations are also considered in the context of depth-averaged wave-current interaction numerical models.
Q-Tree Model of Nearshore Flows at Multi-Cusps
Rhythmic beach forms such as multi-cusps result from interaction between nearshore hydrodynamics, sediment dynamics and beach morphology. Wave-induced currents strongly influence transport and mixing processes, and so an accurate understanding of wave-current interaction is extremely important for coastal zone management. This paper presents details of an adaptive quadtree (Q-tree) grid based numerical model of the coupled wave climate and depth-averaged current field. The model has been validated for set-up in a laboratory flume, the longshore current due to oblique waves at a plane beach, and the nearshore circulation pattern at a half-sinusoidal beach. Results from the numerical model are compared with experimental data on nearshore currents at a three-cusp beach installed in the U.K. Coastal Research Facility (UKCRF). On-going advances in the use of a Godunov-type matrix formulation of the shallow water equations are also considered in the context of depth-averaged wave-current interaction numerical models.
Q-Tree Model of Nearshore Flows at Multi-Cusps
Park, Koo-Yong (author) / Borthwick, Alistair G. L. (author) / Rogers, Ben (author)
27th International Conference on Coastal Engineering (ICCE) ; 2000 ; Sydney, Australia
Coastal Engineering 2000 ; 3419-3431
2001-03-23
Conference paper
Electronic Resource
English
Q-Tree Model of Nearshore Flows at Multi-Cusps
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