A combined numerical model of three-dimensional tidal motion and sediment transport in tidal current and its application

A calculation scheme, which combines a horizontal upwind finite element method with vertical implicit differences, is used to establish a three-dimensional mathematical model of tidal motion and sediment transport in tidal current.Compared with those of the relative theoretical formula, the results are satisfactory.The model mentioned above has been applied to the water area of the Lianzhou Say, Guangxi Province.On the basis of the analysis and comparison with the field data, it shows clearly that the model calculation results are reasonable.