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轎車外流場網格生成策略及數值模擬
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    摘要:

    采用3種網格策略對某轎車外流場進行數值模擬研究,，并應用商業(yè)CFD軟件STAR-CD進行求解,。根據計算過程和結果,，分析不同網格策略的效果,，論述3種網格策略的特點。數值模擬中考慮了車輪旋轉和車輪固定兩種邊界條件,，并將數值計算結果與試驗數據進行了對比分析,，探討了高雷諾數k-ε湍流模型的計算精度。

    Abstract:

    Three mesh strategies were applied in the numerical simulation research of the external flow field around a sedan. Computational meshes were solved by commercial CFD software, STAR-CD. Mesh strategies effects were compared and their features were summarized according to the different computational processes and results. Both the rotating and stationary wheels boundary conditions were considered and computational results were compared with available experimental data. The accuracy of the high Reynolds k-ε turbulence model was discussed

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楊博,傅立敏.轎車外流場網格生成策略及數值模擬[J].農業(yè)機械學報,2007,38(4):8-11.[J]. Transactions of the Chinese Society for Agricultural Machinery,2007,38(4):8-11.

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