In this thesis, the wind tunnel test and CFD theories were used to investigate railway aerodynamic characteristics, the aerodynamics coefficients of bridge windbreak and of the bridges for NANJIANG Railway under side wind. Firstly, on the basis of CFD (Computational Fluid Dynamics) theories, the aerodynamics coefficients of train, bridge and windbreak for different were computed comparely, then the wind tunnel test was used to verify and check.
The main research work and the conclusions are
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