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.
协作体系的动力特性主要包括体系的自振频率和主振型，它是协作体系结构动力分析的基础和前提。
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.
采用摄动法研究了楔形杆轴的固有纵扭振动，并且推导出了其固有纵扭振动的振型函数及频率特征方程。
Natural vibration characteristic of gun tube was analyzed triumphantly. Vibration frequency and mode shape were obtained.
对某火炮身管固有振动特性进行了分析，计算得到了振动频率和振型。
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.
建立了该钻机井架与钻台结合体固有振动特性理论分析的有限元模型并给出了其固有振动频率结果和相应的主振型。
A finite element method for analyzing vibration mode and natural frequency of tire construction was provided.
提供了一种分析轮胎结构的固有振型和频率的有限元方法。
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，对该款车架进行了结构模态分析，得到车架固有频率和振型。
We calculated the natural frequencies and mode of vibration for a five stepped Si-beam of Si-piezoresistive accelerometer.
我们用该方法计算了硅压阻式加速度传感器五阶梯硅梁固频和振型。
The first ten natural frequencies, damping ratios and mode shapes of the dam were measured through steady forced vibration test using multiple vibrators.
用多台起振机进行稳态强迫振动试验，测定了该坝前十阶自振频率、阻尼和振型。
The modification for the natural frequency and the mode of vibration of blade are needed to treat the fault of steam turbogenerator caused by it's blades.
为分析处理汽轮发电机组运行中因叶片振动引起的故障，需调整叶片的固有频率和振型。
The amplitude-frequency relation with respect to the natural frequency of the lowest order and amplitude-frequency response under harv monic force were obtained by considering single mode vibration.
考虑单模态振形，得到了相应于最低阶特征频率的幅频关系和受谐和激励的幅频响应。
This paper constructs several 2d and 3d finite element analysis models with ANSYS, studies the influence of the structure and parameters of BLDCM on vibration mode and natural frequency.
采用有限元分析软件ANSYS建立了BLDCM的二维和三维定子振动的有限元分析模型，研究了BLDCM定子结构和参数对其振动模态和固有频率的影响。
Compile a computer program to compute the dynamic characteristics of spindle. Each natural frequency and principal mode of vibration is obtained.
编制了辗环机主轴部件动态特性分析的计算机程序，求出各阶固有频率及其主振型。
The natural frequencies of the mast is very close; twisted vibration is the major vibration mode for the asymmetry of the guys layout and the difference of the guys' initial stress.
桅杆的自振频谱密集，纤绳布置的不对称以及纤绳初应力的不同，使得弯扭振动为桅杆的主要振动。
The natural frequencies of the mast is very close; twisted vibration is the major vibration mode for the asymmetry of the guys layout and the difference of the guys' initial stress.
桅杆的自振频谱密集，纤绳布置的不对称以及纤绳初应力的不同，使得弯扭振动为桅杆的主要振动。
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