The shaft transmission stability is one of important requirements of ship propulsive shafts.However, the shaft vibration is excited when the impact force is operated on the shafts.

• 摘要传动稳定性是船舶推进轴系工作的重要性能之一，但是当冲击载荷作用在轴系上时必将激起轴系的振动响应。