• The light self weight, large flexibility, small damp and low natural vibration frequency make it very sensitive to wind load.

    跨空间结构自重轻、柔性大、阻尼、自频率,对风荷载比较敏感,风荷载已经成为大跨空间结构设计的重要荷载。

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  • The natural vibration frequency and type, the dynamic characteristics of damping is important, car, wind power calculation and analysis of the earthquake.

    结构固有频率阻尼重要动力特征,是振、地震分析动力计算基础。

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  • Air spring is characteristic of variable stiffness, its natural vibration frequency is much lower than that of leaf spring and will not change with load of vehicle.

    空气弹簧具有刚度特性固有振动频率钢板弹簧得多,汽车承载质量的变化而改变。

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  • Considering the effect of the vehicle natural vibration frequency and velocity, the simulation and analysis are done on a, E-the two grades of road using this method.

    在考虑汽车固有振动频率行驶速度后,利用方法AE两个等级公路路面进行数值仿真

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  • The analysis of the (improved) structure shows that the increase of natural vibration frequency is visible, the vibration noise of the shield is suppressed distinctly.

    改进后分析结果表明排气二分管的自频率明显提高振动噪声得到有效抑制。

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  • The natural vibration frequency and type, the dynamic characteristics of damping are important, Car, wind power calculation and analysis of the earthquake are presented.

    结构固有频率阻尼重要动力特征,是振、地震分析动力计算基础。

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  • The finite model of the derrick and drilling platform connecting unit is built and the natural vibration frequency and the corresponding vibration mode of it are given here.

    建立了钻机井架钻台结合体固有振动特性理论分析有限元模型给出了其固有振动频率结果相应的主振型。

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  • But in the analysis, influence of different frequency input on control effect, and relation between the control effect and natural vibration frequency of the structure can't be solved.

    不同频率地震波输入建筑物效果产生怎样影响,减振效果结构物本身自振频率怎样关系这些是以往的时程分析所不能解决的。

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  • Then, the natural vibration of the FBG based two-dot coating was described, and the effects of the length and prestress of the coated fiber on natural vibration frequency were discussed.

    其次,从理论上分析两点封装方案中FBG特性,讨论了封装光纤长度预应力光纤自振频率影响

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  • Dynamic characteristics of collaborated system mainly include natural vibration frequency and principal mode, which is the base and precondition of dynamic analysis for collaborated system.

    协作体系动力特性主要包括体系的自频率协作体系结构动力分析基础前提

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  • The wave force on the steel-pipe pile which was connected and unconnected to the test platform was tested; and the acceleration versus time data and natural vibration frequency were obtained.

    波流作用下连接未连接平台钢管进行了测试,获得了加速度时程曲线以及钢管桩固有频率。

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  • In this paper, the natural characteristics of TSS will be analyzed firstly, and then the peculiarity of its frequency and vibration will be summarized.

    本文第四章首先对张弦桁架结构特性进行了分析自振频率振型的特点进行了总结。

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  • Natural frequency and response vibration amplitude character of contact system will directly influence the reliability of EMR's mechanical contact.

    接触系统固有频率响应振幅特性直接影响电磁继电器的接触可靠性

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  • The perturbation method was employed to get the control equation's approximate solution. The analytical expressions of beam's natural lateral vibration frequency and displacement were derived.

    采用摄动求得近似得到载流梁在磁场中的横向固有振动频率位移解析表达式

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  • Natural vibration characteristic of gun tube was analyzed triumphantly. Vibration frequency and mode shape were obtained.

    某火炮身固有振动特性进行了分析,计算得到了振动频率

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  • The paper puts forward a convenient and efficient method on the analysis of vibration natural frequency for ring ultrasonic wave motor stator.

    本文提出一种用于分析环形超声波电动机定子振动固有频率简便有效方法

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  • The cause of vibration on the turbogenerator stator end winding is analyzed, and the meaning of natural frequency test and vibration measurement is discussed.

    本文分析了引起汽轮发电机定子绕组振动原因,以及固有频率试验振动测量意义

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  • The results show that the fatigue crack not only decreases the natural frequency, but also causes non linear vibration.

    计算结果表明疲劳裂纹不仅使悬臂梁的固有频率下降,而且引起非线性强迫振动响应。

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  • The natural longitudinal or torsional vibration of a wedge-shaped shaft is studied with perturbation method. The vibration mode function and the frequency characteristic equation are derived.

    采用摄动研究了楔形杆固有振动,并且推导出了其固有纵扭振动的振型函数频率特征方程

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  • In view of the locally severe vibration of a 125 motorcycle, the paper makes a structure modal analysis with ANSYS to get the natural frequency and the vibration mode of the frame.

    针对某125摩托车局部振动比较严重,采用有限元分析软件ANSYS,该款车架进行结构模态分析,得到车架固有频率型。

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  • Its natural frequency falls into two parts when the loads exerted on generator rotor are asymmetrical. Dual resonance phenomenon appears based on the former single frequency vibration.

    发电机的外接负载对称时,转子固有频率一分为二,转子的振动原来单频振动基础产生双重共振现象

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  • By analysing some different types of isolating configurations, the relations between the natural frequency of rotational vibration and that of the linear vibration have been found.

    通过对几种不同隔振形式分析,得到了扭转振动固有频率线性振动的固有频率之间的关系。

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  • The formulas for calculating natural frequency and vibration transmission ratio are given.

    给出钻柱轴振动固有频率振动传输公式。

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  • The natural frequency is a critical parameter of structure vibration; it is the foundation to investigate the dynamic response of composite beam.

    结构动力特性中的自频率反映结构自身特点重要参数,是研究组合梁动力学问题基础

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  • Then the author analyses the effect of the frame vibration and tries to make the natural frequency of vibration beyond the range of engine revolution rate.

    分析发动机源对车架振动影响使车架主要模态的自振频率避开了发动机转速范围

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  • The practice application expresses that effective modal mass could be helpful to find natural frequency and vibration shape.

    应用表明有效质量进行模态识别,可以有助于找到尾轴架系统的固有频率

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  • When the vibration source frequency approaches to the natural frequency of belt weigher, the belt weigher will bring resonance.

    振动频率皮带固有频率接近时,皮带秤发生共振

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  • The article introduced methods of drilling shaker dynamic measurement based on IVC, taking damping coefficient, natural frequency and vibration model as examples.

    振动筛阻尼系数固有频率介绍基于智能控件化虚拟仪器技术钻井振动筛动态特性检测方法

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  • The article introduced methods of drilling shaker dynamic measurement based on IVC, taking damping coefficient, natural frequency and vibration model as examples.

    振动筛阻尼系数固有频率介绍基于智能控件化虚拟仪器技术钻井振动筛动态特性检测方法

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