在广义动态入流理论的基础上，基于经典非定常气动载荷理论，建立了尾迹畸变和尾迹耗散的实时分析模型。
Based on the generalized dynamic inflow theory and classic non-steady aerodynamic loading theory, a real time model is obtained by establishing wake distortion and decay.
为减少尾迹数值耗散和便于添加上述边界条件，采用了嵌套网格方法。
Embedded grids are adopted to weaken the numerical diffusion of the wake and to apply the above boundary conditions.
计算结果表明，本文方法能够有效地减少旋翼尾迹的数值耗散。
It is shown that the present method can effectively reduce the numerical dissipation of the rotor wake.
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