每一方位反复迭代直至尾迹稳定，从而得到其诱导下洗。
Each azimuth is re iterated until its wake is stable and its induced down wash flow is obtained.
旋翼尾流的作用通过自由尾流分析来求解局部的诱导下洗速度以修正翼型攻角。
Rotor wake effects are modeled in the form of a correction applied to the angle of attack along the blades. This correction is obtained by computing the local induced downwash with free wake analysis.
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