The article introduced methods of drilling shaker dynamic measurement based on IVC, taking damping coefficient, natural frequency and vibration model as examples.
并以振动筛阻尼系数、固有频率和振型为例，介绍了基于智能控件化虚拟仪器技术的钻井振动筛动态特性检测方法。
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。
The finite element method is used to analyse the natural vibration of a exhaust chimney with steel structure in a nuclear power plant, such as the first, the second frequency and their model.
利用有限元法分析了某核电站排气钢塔的固有振动特性，即一阶、二阶振动频率及振型。
Based on Lagrange dynamics model of vibration machinery system is established. Natural frequency, vibration model and systemic response are worked out.
基于拉格朗日法建立振动筛系统动力学模型，分析出了该系统的固有频率、主振型及系统的响应。
Based on Lagrange dynamics model of vibration machinery system is established. Natural frequency, vibration model and systemic response are worked out.
基于拉格朗日法建立振动筛系统动力学模型，分析出了该系统的固有频率、主振型及系统的响应。
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