阻尼振动

To ER tunable optical devices, there is no need to require ER fluids have high yield stress.

同时，对含ER流体阻尼层的板结构的振动响应也进行了模拟计算。

Based on the dynamic characteristic of an original model, the transform analysis of undamped system equation is performed with the frequency characteristic functions at designated modification freedoms, and the general expressions of local mass and stiffness parameters are derived.

该方法根据原结构模型的动态特性，利用与调整点自由度相关的频率特性函数，通过对无阻尼自由振动方程的推导，给出结构局部质量或刚度调整的通解。

The simulation illustrates that the system is stable and has the nice restraint under the condition that the stiffness and damping vary in the scope of 10 percent.

仿真结果表明系统的刚度与阻尼在10％范围内的变化时均能保证系统稳定并具有良好的振动抑制能力，提高了控制器工程实用性。

Basing on the computing model of liquid viscous resistance of the sucker rod string, damping coefficient of power law flow for sucker rod string is created, using the condition of equivalent merit. Mathematics model and emulate model of the vibration of sucker rod sting are established.

以幂律流抽油杆柱液体粘滞阻力的计算模型为基础，并应用等功条件提出了幂律流条件下抽油杆柱阻尼系数的计算方法，并依此建立了聚驱抽油杆柱轴向振动的数学模型和仿真模型。

This article applies the elastic-plastic finite element theory to analyze the dynamic response of the large cross-section tunnel under seismic load,and it also discusses the influence of different damping ratios,site conditions and different epicentral distances on the dynamic response.

文章运用了弹塑性有限元原理分析了大断面公路隧道在地震荷载作用下的动力响应分析，并讨论了不同的阻尼比、场地条件和震中距对振动响应的影响。

Beams ; vibration ; Hertzian contact ; flexible impact ; damping function

梁； 振动； Hertz接触；柔性碰撞；阻尼函数

When hydroturbine generator runs in steady state,oil film stiffness and dampingcan greatly affect the unit s vertical vibration.

水轮发电机稳态运行时，油膜刚度与阻尼对机组的垂直振动有着重要影响。

Experimental and theoretical study on vibration control of steel frame attached with hysteretic dampers.

钢框架结构软钢阻尼器振动控制的试验及理论研究。

Validating vibration control experiment of the imitational foldaway solar array with ACLD treatments is done.

5开展了基于主动约束阻尼技术的太阳能电池翼振动控制的验证性实验研究。

To suppress the load vibration inharmonic drive system and enhance the trajectory tracking accuracy,a kind of feed back control method of acceleration sensor is presented here.

但谐波减速器的柔性、非线性摩擦、随速度波动、低阻尼等因素会给负载端带来振动，导致工作端的轨迹跟踪精度不高。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。