第三章简要分析了柔性杆的扭转振动。
In chapter three, the torsional vibration of the flexible bar was analyzed.
扭转振动是发动机一个重要的动力问题。
Torsional vibration of engine crankshaft is an important dynamic problem.
此结论对旋转机械的扭转振动具有参考价值。
扭矩的这种变化即是塔架产生扭转振动的原因。
The variation on torque is the very cause of torsional vibration.
杆作平面运动时，其扭转振动与弯曲振动解耦。
In the case of planar motion the torsional vibration is decoupled from the flexural vibration.
介绍了天线系统驱动机构扭转振动谐振频率的计算方法。
This paper introduces the computation method on the harmonic frequency of the torsional vibration in the mechanism of an antenna system.
用该方法能够求解柴油机轴系非线性以及线性扭转振动响应。
And the method can also solve response of non linear and linear torsional vibration of a diesel shafting.
结果表明，环形调液阻尼器是一种有效的扭转振动控制装置。
The results show that CTLCD is an effective control device on torsional response.
结果表明，环形调液阻尼器是一种有效的扭转振动控制装置。
The results show that the Circular Tuned Liquid Column Damper (CTLCD) is an effective torsional response control device.
以线性压电理论为基础，分析了压电陶瓷圆柱壳的扭转振动问题。
Torsional vibration of a circular piezoelectric shell of polarized ceramics mounted on a rotationally vibrating base was analyzed.
本文用三维弹性力学理论求得球壳轴对称扭转振动问题的解析解。
In this paper, an analytical solution of twisted vibration problem for spherical shells is obtained by the three dimensional elastic theory.
分析螺旋面斜向扭转振动传动的原理和螺旋面上物料运动的规律。
This paper analyzed the movement theory of lean rotate Vibration of helical surface and the motion law of materials movement.
分析了无限横观各向同性弹性圆柱中，刚性圆盘的扭转振动问题。
In the present analysis torsional oscillation of a rigid disk in an infinite transversely isotropic elastic cylinder has been considered.
结果说明：改变隔振元件的间距能调整扭转振动的固有频率的大小。
The results showed that the mount spacing can be varied to adjust the natural frequency of the rotational mode.
就一个三质量的具有非线性弹性轴系统的自由扭转振动特性进行了探讨。
This paper deals with the free torsional vibration characteristics of non-linear elastic shaft with multi-degree of freedom.
此外，凸轮轴和曲轴引起的扭转振动也会导致链条张力的相当大的变化。
In addition, the CAM shaft and the torsional vibration caused by crank will also cause the big change of the chain tension.
本文给出了一种汽轮发电机组轴系扭转振动模态对数衰减率的计算方法。
This paper presents a method for calculating the modal logarithmic decay ratio of the shaft set torsional vibration in a turbogenerator unit.
转子动力学的纯弯曲振动理论和纯扭转振动理论一般不能解释这一现象。
Usually , the vibration phenomena can not be explained by the theory of the pure lateral vibration and the pure torsional vibration of rotor dynamics.
从振动的角度看，车辆动力传动系可分为弯曲振动系统和扭转振动系统。
From the view point of vibration, powertrain is divided into bending system and torsional system.
采用解析的方法研究了上覆单相弹性层的饱和地基上刚性圆板的扭转振动。
Torsional vibrations of a rigid disk resting on saturated medium with an elastic superstratum are studied by analytical methods.
钻柱将其扭转振动传至钻机动力头，引起动力头齿轮传动系统的非线性振动。
The BHA transmits its torsional vibration to the gear system of drill power pack and brings about nonlinear vibration.
研究了用两组相同的MTMD控制单层非对称结构扭转振动的最优设计参数。
Investigated are the optimum design parameters of two sets of identical multiple tuned mass dampers (MTMD) for one-story asymmetric structures.
将牵引车的传动系简化为一个2自由度的扭转振动系统，并以二阶微分方程描述。
The driveline for a tractor vehicle is simplified as a 2-DOFs(degree of freedom)torsional vibration system, and is described as a second-order differential equation.
从振动的角度看，汽车振动系统可分为车身振动系统和动力传动系扭转振动系统。
From the view point of vibration, automobile is divided into a body vibration system and powertrain torsional vibration system.
大型船用柴油机曲轴红套滑移以后，船体和轴系分别出现明显的振动和扭转振动。
After slipping of crank shaft sleeve in large Marine diesel engine, there will appear obvious vibration and twisting on the hull and shaft system.
扭转振动是旋转设备产生故障的主要原因，本文将阐明如何来分析和控制这种振动。
Torsional vibration is a leading cause of rotational equipment breakdown. Here's how to analyze and control it.
最后将分析结果进行了对比，结果表明：本文的退化解和饱和土扭转振动解是一致的。
It was shown that the present regressive solution was consistent with the solution of torsional vibration in saturated soil layer.
本文给出了一种改进的动态子结构法，并用该方法分析内燃机复杂轴系扭转振动问题。
In this paper, an improved dynamic substructures method is described. The problem of torsional vibration of diesel complex shafting is analysed with this new method.
分析结果表明：操纵系统对旋翼桨叶扭转振动固有特性的影响是一个值得注意的问题。
The results obtained by these analyses show that the problem of the influence of control system on modal characteristics of the rotor blades torsional vibration is noticeable.
地基土的主要特征之一是成层性，因此有必要研究成层饱和地基上基础的扭转振动问题。
It is necessary to study the torsional vibrations of foundations on layered saturated grounds, since layered property is one of the main characteristics of grounds.
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