流体运动的不稳定性造成压力冲击，引起管道与设备振动。
Unsteady flowing has pressure lash, it can cause the quake of pipe and equipment.
考虑冲击外力、传动间隙、碟形弹簧刚度、阻尼及预压力等因素，仿真得出蜗杆和摩擦片的振动响应曲线，与部件实际运动规律相吻合。
Obtain the vibration response curve of worm and friction discs by simulation calculation, the simulation results accord with the actual device motion rule.
舰船在水下爆炸气泡脉动压力作用下将产生鞭状运动冲击响应。
The whipping response of a warship subjected to an underwater explosion usually is agitated by the bubble impulse after the explosion shock.
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