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轿车外流场网格生成策略及数值模拟

, PP. 8-11

Keywords: 汽车,外流场,网格策略,数值模拟

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Abstract:

采用3种网格策略对某轿车外流场进行数值模拟研究,并应用商业CFD软件STAR-CD进行求解。根据计算过程和结果,分析不同网格策略的效果,论述3种网格策略的特点。数值模拟中考虑了车轮旋转和车轮固定两种边界条件,并将数值计算结果与试验数据进行了对比分析,探讨了高雷诺数k-ε湍流模型的计算精度。

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