查询词典 mode of vibration

Three actuation mechanisms of piezoelectric composite structures are studied: extension actuation mechanism, shear actuation mechanism and hybrid actuation mechanism Tip deflection of piezoelectric composite plate is analyzed for different actuator layer thickness. The research result can be used for mode control of active noise and vibration control and static shape control of intelligent structure.

研究了压电材料复合板的3种作动机制，弯曲作动机制、剪切作动机制、混合作动机制，针对粘贴在纤维板上不同厚度的压电作动层，具体分析了复合板的端部位移，研究结果对噪声和振动的主动控制中的模态控制和智能结构静态形状控制提供了一定的参考。

According to the relationship between the head/disk relative displacement response on vibration excitation and read/write mode, the failure criterion of hard disk drive is provided.

在对所需信息进行处理过程中，涉及到大量数据的读取和保存，特别在微型计算机中，硬盘驱动器起着至关重要的作用，没有硬盘驱动器的参与，计算机将无法有效地工作。

It is found that under the same vibration mode, the equivalent inductance of the single layer piezoelectric transformer is the twice of the same quality piezoelectric oscillator; 2 Based on the density energy formula, the three-dimensional lump type equivalent circuit of the piezoelectric transformer has been set up.

发现在相同的振动模式下，单层压电变压器的等效电感是相同质量压电振子的两倍； 2）以能量密度公式为基础，建立了压电变压器的三维集总式等效电路图。

Obtained system of two normal vibration mode and the general solution.

求出系统的两个简正模和一般振动解。

The main problem of the mode synthesis method , applied in structural vibration analysis of prefabricated bridges, is how to select relevant number of low frequency modes synthesized during the course that displacements of substructures are expressed in generalized coordinates that are defined by displacement modes.

模态综合法应用于装配式桥梁结构振动分析的主要问题，是在将子结构坐标缩聚为模态广义坐标的过程中，如何选取适当数目的低阶模态来参与综合。

Jib structure of the modal analysis, the structure of the natural frequencies and the corresponding vibration mode.

对臂架结构进行模态分析，确定结构的固有频率和相应的主振型。

An algorithm for cable local vibration is presented based on the method of substructure and generalized degree of freedom, in which cable local mode is looked as degree of freedom.

利用子结构方法和广义自由度的概念，把拉索的振型作为自由度来考虑，提出了拉索局部振动的计算方法。

The total response is equal to the approximate sum of those of every vibration mode.

这样不宜于非线性抖振响应分析以及抖振引起的行车舒适度和桥梁疲劳分析。

This paper gives a method of combining experiment with theoretical calculus, which can be used to obtain the precious vibration mode functions of disk bladed of turbine machinery.

对透平机械常用的叶轮的固有振动问题给出了一种试验与计算相结合求取其精确振动模态函数的方法。

In chapter 8, the design method of active adative system of structural vibration mode combination under the disturbance of earthquakes is established by using the algorithm of adaptive control law of last chapter.

第八章中，应用上一章的控制律计算方法，提出了地震作用下结构振型组合自校正控制的设计思想。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。