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Viaducts are widely built in the modern high speed railway system. The noise barrier will have some effect on the aerodynamic characteristics of the high speed train running on the double line viaduct. It is essential that the research on this effect will be made. It will provide some engineering reference for the high speed railway construction. Using the CFD(Computational Fluid Dynamics) soft Fluent,...
In order to analyze the drag characteristics of the vehicle having different war head and empennage, the computational fluid dynamics numerical simulation was used. The method was based on fully hexahedral mesh and three-dimensional Navier-Stokes equations and Spalart-Allmaras turbulence model. Through numerical simulation the flow field structures and computational aerodynamic characteristics were...
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