The results show that it is stable in the given forward flight. But the instability arises with the decrease of the bending and torsion stiffness of the shaft.
对某新型直升机的气动/机械稳定性进行了分析，结果发现对于给定的前飞状态是稳定的，但是随着传动轴弯曲和扭转刚度的降低出现不稳定现象。
参考来源 - 直升机旋翼/机身耦合系统气动/机械稳定性分析新方法 A NEW AEROMECHANICAL STABILITY ANALYSIS METHODOLOGY FOR COUPLED ROTOR/FUSELAGE SYSTEM OF HELICOPTERS·2,447,543篇论文数据，部分数据来源于NoteExpress
So in forward flight each rotor can produce an equal amount of lift on each side, thus providing balance.
因此在向前飞行时，旋转叶片可以在每一边产生相同大小的升力来进行机身的平衡。
The model can be used for aeroelastic stability analysis of the new tilt-rotor aircraft in high-speed forward flight.
所建模型为进行新型倾转旋翼机大速度飞行时气弹稳定性分析奠定了基础。
The results show that, the agglomeration multigrid method can facilitate the convergence of rotor forward flight flow effectively.
结果表明，多重网格方法能够有效地加快旋翼前飞流场收敛。
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