查询词典 forced vibration

In this paper, the resonances of parametric vibration with forced vibration is analyzed and the bifurcation equation of the system is obtained and the singularity analysis is made.

分析了水轮发电机定子系统的参、强联合共振，求得了稳态响应的分岔方程，进行了奇异性分析，揭示了一些新的规律和现象。

In mechanical vibration, when the natural frequency of plan dynamic frequency and system is consistent, the amplitude of forced vibration reachs great value.

在机械振动中，当策动力的频率和系统的固有频率一致时，受迫振动的振幅达到极大值。

It is showed in plenty of research papers that under forced vibration, damping value is far more than that obtained in free vibration test and increases with the increase of stress or deformation.

大量的研究和测试资料表明，在强迫振动作用下，阻尼要比由自由振动测试所获得的数值大出很多，是随着应力或变形的增大而提高的。

Basing on the dynamic analysis of the forced vibration of the block, the extent and level of the vibration are investigated.

对激振力激励下的机体强迫振动响应进行了动态分析，考察机体在激振力的作用下的振动情况、振动评级，并联系穴蚀对气缸套外表面振动加速度进行评价。

Under the simple harmonic vibration, the stable forced vibration of multiple-degree-of-freedom system is analysed by using ANSYS software.

运用ANSYS软件分析多自由度系统在简谐激励作用下的稳态受迫振动。

As author's conclusion, the vibration of the alying head is a first order non-resonance response of forced vibration.

从而排除了上述两种振动说法，确定了吐丝机的振动属于系统一阶受迫振动非共振响应。

The system is used to analysis the forced vibration, self-excited vibration and the propagation of disturbance in turbomachinery. Some conclusions are gained.

应用该套分析系统来分析叶片流体激振的受迫振动，自激振动和振荡流在多级叶排中传播的安全性问题，在具体应用中得到以下结论： 1。

When analyze the forced vibration of drill string ,it is taken into consideration that the friction between drill string and wellbore impact on the vibration of the drill string.So static analysis of the drill string is included in this paper.

由于本文在分析钻柱的强迫振动时，考虑了钻柱与井壁摩擦阻力对钻柱的振动的影响，所以对钻柱的静力学也进行了分析。

From the point of view of absorbing the vibration energy of flexible rotors, the displacement feedback control law is proposed for single-frequency forced vibration.

从吸收横向振动能量角度出发，推导出在单频激振力作用下的位移反馈控制。

The method is both suitable to free vibration of nonhomogeneity beams with stepped variable cross section attached concentrative mass and forced vibration of stepped beams of nonhomogeneity with variable cross section under arbitrary loads.

这种方法也适用于非均质阶梯梁在任意谐载荷作用下的强迫振动问题以及均质阶梯梁的自由振动问题。与现有的方法相比，状态矢量法具有形式简单、适应性强等优点。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。