为智能板结构振动特性的分析提出了一种半解析法。
A new semi-analytical solution for the analysis of vibration characteristics of smart plate structures is proposed.
利用等效弹性法分析了压电矩形共振器的二维耦合振动，导出了振子共振频率的解析表达式。
Based on the equivalent elasticity method, the plane coupling vibration of a rectangular piezoelectric ceramic plate was studied and the resonant frequency equation was derived out.
以包装件的力学模型为依据，用脉冲响应法求解产品中易损零件对振动环境的响应。
Basis on the dynamics model of the product package system, the response of vibration environment in fragility part of this system is calculated with the method of pulse response.
将影响系数法应用于水轮发电机转子现场动平衡，消除其振动故障。
The influence coefficient methods were applied in dynamic balance of hydrogenerator rotor at site to solve the vibration fault in this paper.
对于抗震分析方法的研究主要围绕时程分析法和随机振动分析法。
Research work of seismic analysis methods is focused on time history method and stochastic vibration method.
那么单摆在振动过程中，切向力、法向力及合力的大小和方向是否在变化?。
Do the tangential force, the mormal force, the resultant force and their directions during oscillation of a simple pendulum change?
并对在该模型下建立的动力矩阵用动力凝聚法进行简化，推导了相应的振动微分方程。
Through dynamic force condensing, the dynamic matrix of mega-frame is simplified, and corresponding oscillatory differential equation is obtained.
本文研究用有限元法计算桥梁涡激振动的时程响应。
This paper studies the calculation of vortex-induced responses of Bridges by finite element models.
用有限元法对摊铺机振动梁进行了固有特性和谐波响应分析。
The intrinsic characteristics and harmonic responses of vibrating beam of paver are analyzed using FEA.
本文用传递函数的模态分析法研究了电机定子铁芯的振动模态，介绍了试验原理、装置及测试结果。
In this paper, the test for vibration mode of stator core of an electric - al motor are studied using the transfer function mode techniques.
结合面法向刚度大小的参数对纵向振动模态的影响比对弯曲、扭振模态的影响显著；
The parameters reflecting normal stiffness have more obvious effects on extensional vibration mode than those on flexural mode and torsion mode.
根据弹性薄板理论和振动理论，运用边界元法(BEM)分析了薄板弯曲自由振动的频率特性。
According to the elastic thin plate theory and vibration theory, a boundary element method (BEM) was used to analyze the frequency characteristics of a thin plate in lateral free vibration.
结论振动排痰机的排痰效果优于人工叩背排痰法。
ConclusionThe effect of discharging sputum with machine vibration is better than percussion on back.
然而，强夯施工振动往往成为制约强夯法应用的关键问题。
But the vibration during dynamic compaction often becomes a problem that restricts the application of dynamic compaction.
采用大变形几何非线性有限元法分析强夯加固机理及其振动对环境影响。
The geometric nonlinear finite element method is used to analyze the impact mechanism of dynamic compaction.
对机械故障振动信号的分析结果表明，基于EMD的能量算子解调法能有效地提取机械故障振动信号的特征。
The analysis results show that the energy operator demodulating approach based on EMD can extract the characteristics of mechanical fault vibration signals efficiently.
对刚柔耦合回转角和刚柔耦合振动的微分方程，则通过摄动法求解。
The rotating Angle and vibration of rigid-flexible coupling are solved by the perturbation method.
结果证明间断相位法的计算模型是正确的，研制的叶片振动状态监测系统有良好的应用前景。
It is right that the modal of discontinuous phase method measures blade vibration parameters and the monitoring system has a good perspective in engineering application.
提出了快速矩阵指数法，并将它应用于大型结构的振动分析。
Fast Matrix Exponent Method was introduced and developed for large structure vibration analysis.
为了克服传统泛音比法的这一弊端，提出了测定压电振子厚度振动机电耦合系数的高次泛音比法。
To overcome the shortcoming of the traditional overtone ratio method, a higher overtone ratio method to determine the thickness vibration electromechanical coupling factors was presented.
本文用样条有限元法，分析了反对称角铺设层合板的自由振动问题。
The essay analyses free vibration problem of laying bed build-up board of antisymmetry angle with spline finite element method.
介绍比较法振动传感器幅相特性测量技术的基本原理和传统实现方法。
The basic principles and characteristics of secondary vibration calibration method are described.
深入研究了超声振动和磨粒切削的复合过程，指出超声振动形成的断续磨削机制是降低法向磨削力的主要原因。
In the compound process of ultrasonic vibration and grain machining, the discontinuous grinding mechanism caused by ultrasonic vibration is the main factor decreasing normal grinding force.
采用折算系数法，建立了组合梁振动的运动微分方程，并对其振动特性进行了分析。
The differential equation of the vibration of combined beam is set up and its vibration characters are discussed in this paper.
本文采用“自由振动法”，设计了一个等效单自由度振动体系，对某核电站基岩的阻尼特性进行了实验研究。
The damping characteristics of the bedrock in a nuclear power station are studied experimentally by free vibration system with one degree of freedom.
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。
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.
从多维地震动输入下的结构三维振动方程出发，给出了结构多维随机振动的振型位移法和振型加速度法。
From the equation of three-dimensional vibration of structures, the methods of multi-dimensional random mode displacement and mode acceleration have been put forward.
将本征函数法进行了推广，并结合传统方法的优点和经典的振动问题提出推广的本征函数法。
The generalization of eigenfunction, by combining the features of traditional methods with results of classical vibration problem is presented.
将本征函数法进行了推广，并结合传统方法的优点和经典的振动问题提出推广的本征函数法。
The generalization of eigenfunction, by combining the features of traditional methods with results of classical vibration problem is presented.
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