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Numerical Research on Wing-In-Ground Effect with Endplates

YANG Chen jun 1, WANG Guo qiang 1, SHIN Myung soo 2 1.School of Naval Architecture & Ocean Eng.,Shanghai Jiaotong Univ., Shanghai 200030,China; 2.Korea Research Inst. of Ships and Ocean Eng.,Taejon,Korea,305 600  
A numerical method was presented for simulating the flow field around and the performance of Wing In Ground effect(WIG) with endplates.The incompressible RANS equations were solved by using Chorin's artificial compressibility method and the approximate factorization technique.Implicit finite difference schemes were employed to discretize the governing equations.The 3rd order upwind differencing was used for convection terms and 4th order central differencing for other spatial derivatives.The 4th order numerical dissipation for pressure was added in the continuity equation to avoid oscillations in pressure solution.The Baldwin Lomax turbulence model was used for high Reynolds number flows.The numerical results were shown for a wing in ground effect with endplates,and the calculated lift and drag agree well with the experimental data.
【CateGory Index】: U661
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