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    초록·키워드

    To design the over-the-ground-surface vehicles, it is important to understand the effect of the nonplanar ground surface on the aerodynamic characteristics of the vehicle bodies. The aerodynamic characteristics of several vehicle bodies moving over nonplanar ground surfaces are studied using a boundary element method. The effects of several design factors such as body cross-section shape, ground height, and gap between the body and the fence is calculated in this paper and the results indicated the importance of the underbody shapes in determining the resulting vehicle lift. Present method is validated by comparing the calculated results with the published measurement data and the numerical ones. It is believed that the present method can be applied to the conceptual design of the ground transporters.

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      UCI(KEPA) : I410-ECN-0101-2009-550-016011769