On the other hand, the critical angle of attack and the effect of different friction of ball bearing on wing rock were predicted by using numerical simulation based on the unsteady rolling moment modeling. 运用非定常建模技术建立了机翼摇滚过程中的滚转力矩系数的表达式并进行了机翼摇滚的数值模拟,预测了发生机翼摇滚的临界攻角和轴承阻尼系数对摇滚特性的影响。