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Shi Fengyan,Zheng Lianyuan. 1996. A BFG model for calculation of tidal current and diffusion of pollutants in nearshore areas. Acta Oceanologica Sinica, (3):283-296
A BFG model for calculation of tidal current and diffusion of pollutants in nearshore areas
A BFG model for calculation of tidal current and diffusion of pollutants in nearshore areas
Received:December 03, 1995  Revised:January 01, 1996
DOI:
Key words:BFG model  numerical calculation  shallow sea equations and advection diffusion equation in curvilinear Coordinates
中文关键词:  BFG model  numerical calculation  shallow sea equations and advection diffusion equation in curvilinear Coordinates
基金项目:This project was supported by the Excellent Talent Foundation across the Century of State Educational Commission.
Author NameAffiliation
Shi Fengyan State Key Laboratory of Estuarine and Coastal Research, Institute of Estuarine and Coastal Research, East China Normal University, Shanghai 200062, China 
Zheng Lianyuan Department of Marine Sciences, the University of Georgia, Athens, GA 30602-2206, U.S.A 
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Abstract:
      This study presents a boundary-fitted grid(BFG) numerical model with an aim to simulate the tidal currents and diffusion of pollutants in complicated nearshore areas.To suit the general model to any curvilinear grids,generalized 2-D shallow sea dynamic equations and the advection diffusion equation are derived in curvilinear coordinates,and the contravariant components of the velocity vector are adopted for easily realizing boundary conditions and making the equations conservational.As the generalized equations are not limited by a specific coordinate transformation,a self-adaptive grid generation method is then proposed conveniently to generate a boundary-fitted and varying spacing grid.The calculation in the Yangpu Bey and the Xinying Bey shows that this is an effective model for calculating tidal currents end diffusion of pollutants in the more complicated nearshore areas.
中文摘要:
      This study presents a boundary-fitted grid(BFG) numerical model with an aim to simulate the tidal currents and diffusion of pollutants in complicated nearshore areas.To suit the general model to any curvilinear grids,generalized 2-D shallow sea dynamic equations and the advection diffusion equation are derived in curvilinear coordinates,and the contravariant components of the velocity vector are adopted for easily realizing boundary conditions and making the equations conservational.As the generalized equations are not limited by a specific coordinate transformation,a self-adaptive grid generation method is then proposed conveniently to generate a boundary-fitted and varying spacing grid.The calculation in the Yangpu Bey and the Xinying Bey shows that this is an effective model for calculating tidal currents end diffusion of pollutants in the more complicated nearshore areas.
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