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- W2367492720 abstract "Ice jams often occur in channels in winter or early spring in cold region.The formation of river ice jam results in the decrease in flow cross section and increase in resistance of flow.In this paper,the equation describing the deformation of ice jam surface was built based on the theory of sediment movement.Then a model describing natural channel was established by combining the equation with the standard k-e equations model to simulate the equilibrium thickness of ice jam of natural channel.The curvilinear grid has generated by the technique of boundary-fitting curvilinear coordinate transformation.The model was solved by using finite volume method.Furthermore,all the variables are calculated at the same control volume by using the non-staggered grids.Momentum interpolation method was introduced.Then equilibrium thickness of ice jam can be calculated by using the equation describing the deformation of ice jam surface.Model validation was carried out by the observed data in Hequ Reach of the Yellow River.Thereafter,the equilibrium thickness of ice jam was simulated.The simulated thickness of ice jam by using the devloped model agrees well with field observations data.The developed model can be used to simulate ice accumulation in natural channels and the equilibrium thickness of ice jam in channel." @default.
- W2367492720 created "2016-06-24" @default.
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- W2367492720 date "2011-01-01" @default.
- W2367492720 modified "2023-09-26" @default.
- W2367492720 title "Numerical simulation of ice jams in natural channels" @default.
- W2367492720 hasPublicationYear "2011" @default.
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