torsional frequency

The static and dynamic radial load capacity and stiffness of the altitude bearing, the radial and torsional frequency of the optical tracking telescope tube can be calculated by this method from the bearing contact theory and suggested vibration model.

从轴承的接触理论和提出的振动模型所得到的计算方法，可以计算镜筒旋转轴支承的动、静力承载能力，支承刚度，镜筒的径向和扭转振动频率。

Then the sensitivities of torsional stiffness and first-order torsional vibration frequency to design parameters of body frame are obtained by sensitivity analysis.

然后对车身骨架结构进行设计参数灵敏度分析，得出车身骨架扭转刚度和一阶扭转频率对各部件设计参数的灵敏度。

The dynamic compliance coefficient curves and the torsional angle amplitude of a rigid disc versus the dimensionless frequency are presented.

文末数值算例给出了动力柔度系数和扭转角幅值随无量纲频率的变化曲线，并与单相弹性介质情况进行了对比分析。

It is put forward to replace the simple harmonic torsional vibration mechanism with the oscillating guard bar mechanism in low frequency vibration tapping machine. The possibility and feasibility of replacement is analyzed.

提出用摆动导杆机构近似替代低频振动攻丝机中的简谐扭振机构，对近似替代的可能性和可行性进行了分析。

Natural Frequency of Torsional Vibration of Rotary Vector Reducer and Its Influencing Factors

RV减速机的扭转振动的固有频率及其主要影响因素

Study on the Basic Technological Parameter Set in Low Frequency Torsional Vibration Tapping

低频扭转振动攻丝基本工艺参数组研究