Image method ideal vortex model is used for the analysis of how ground effect impacts wingtip vortex and airflow downwash angle.

采用镜像法理想涡模型分析了地面效应对翼尖涡位置和气流下洗角的影响；

youdao

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.

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。

youdao