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A two-dimensional numerical model was presented for the simulation of sediment transport under oscillatory sheet flow conditions in the nearshre zone. Most existing mathematical models for predicting sediment transport in this area are based on the governing equations for single phase flow. Considering the fact that the inter-granular stress and the interaction between fluid and sediment are predominant forcing mechanism in nearshore, an accurate approach is to treat the fluid and sediment as two-phase flow. In this paper, we present an Eulerian two-phase flow model for fluid–sediment sheet flow simulation. All most important forcing terms such as the fluid/particle and particle/particle interactions and the turbulent stress are included in the model. The generation, translation and dissipation of turbulence can be modeled by using the proper turbulence model and adding that to the main model. The model predictions compared well with the experimental data.