采用自由振动法测试得到了一批橡胶混凝土小变形阻尼比的基础性数据。
Free vibration method is employed to measure the damping ratio. A great deal of fundamental data for the damping ratio of rubber powder concrete in small deformation is obtained.
按照振动驱动机制不同，节段模型试验方法可分为自由振动法和强迫振动法两大类。
According to different driving ways of vibration, the sectional model test methods can be classified into two major categories, i. e. free-vibration method and forced-vibration method.
本文对主梁的颤振导数识别，采用与主梁颤振分析试验相同的节段模型和测量装置，以自由振动法进行试验。
This paper makes use of free vibration method, using the same model and measuring device to identify the flutter derivatives of the girder.
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.
以位移模型为基础，用有限元中的分离变量法的理论，求解了圆柱壳自由振动的固有频率，计算结果与壳体解析解相一致。
This paper calculate inherent frequency of the free vibration of the cylinder shell with the theory of the separated variable method on the basis of displacement model.
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.
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.
本文用有限元法分析与舷外水相接触的船底板的自由振动。
In this paper the finite element method is used to analyse the free vibrations of the ship bottom plates contacting with surrounding water.
用里兹平均法导出了系统的自由振动频率方程，并举出一计算实例。
The equation of free vibration frequency of this system has been derived by Averaging Method of W. Ritz and a numerical example is given.
首先，导出了用极坐标系描述的中厚板自由振动板的微分方程，用分离变量法求得其一般解。
Firstly, the expressions of free vibration of moderately thick plates in polar coordinates are derived and the general solutions are obtained by the means of method of separation of variables.
采用表面振动法进行了柴油机表面辐射噪声的诊断，并对附加自由和复合阻尼的薄壁件进行了声辐射效率试验研究和整机试验。
The experiment of sound radiation efficiency and engine noise test were carried out when the engine was equipped with thin-wall components with free and compound damping.
为智能叠层板自由振动问题和带有压电块的叠层悬臂梁的瞬态响应等问题提出了一种新的半解析法。
A new semi-analytical solution for the natural vibration of smart laminated plates and the transient response of the laminated cantilever with piezoelectric patch was presented.
分析转动悬臂梁的自由振动问题，通过综合运用解析法和数值方法解决悬臂梁振型函数过于复杂的问题。
Based on the analytical and numerical method, free vibration of the cantilever beam with rotating motion is analyzed.
将车辆模化为七自由度振动系统，采用频域法进行随机响应计算。
The vehicle is modelled as a vibration system with seven degrees of freedom.
用单自由度系统的受迫振动和旋转矢量阐述了转子现场动平衡的单平面矢量法的原理。
The principle of vector method of single plane for spot balance of rotor has been present by forced vibration of single freedom system and rolling vector.
本文用一种新型的数值方法枣微分容积法求解任意边界条件下超椭圆形中厚板的自由振动问题。
This paper presents a free vibration study of moderately thick super-elliptical plates with various boundary constraints using the differential cubature method.
本文采用交替迭代法分析索-桁结构体系，并导出了这种杂交结构无阻尼自由振动的简化方程，通过算例分析得出了一些对实际工程有益的结论。
In this paper, the alternate iteration method is used in static analysis of cable truss hybrid structural system, and the simplified non damping free vibration equations have been drawn.
本文将冗余自由度用于消减柔性杆机器人的残余振动，通过优化选择最优的自身运动以达到减振目的，模拟结果表明，这一方法可以取得很好的效果。
In the paper, the redundancy is used to decrease residual vibration of flexible link robot through optimal self motion, and the method is proved to be efficient by computer simulation.
本文基于齿轮啮合原理及振动冲击理论，采用集中质量法建立了由一对渐开线直齿圆柱齿轮组成的传动系统三自由度数学模型。
A three freedom degrees mathematical model of a pair of involute spur gear transmission system is built using the lumped mass method, based on gear meshing theory and vibration impact theory.
求解有阻尼多自由度结构系统的振动微分方程，实模态分析法是得到广泛应用的一种有效方法。
The dynamic response of the damping multi-DOF structural system is usually calculated by the real modal analysis method.
提出边界元法分析域内具有支承和集中质量的薄板自由振动问题的简便方法。
A simple and convenient method is presented, which can deal with free vibration of thin plates with internal supports or concentrated masses.
建立了四自由度车辆悬挂系统的动力学模型，并应用非线性随机振动理论，在对模型输入进行过滤白噪声简化的基础上，探讨了用FPK法解方程的可能途径。
A 4d dynamic model has been established for the vehicle suspension system. No-linear random vibration theory is used to discuss how to solve this equation by FPK based on filtered white noise input.
本文用有限厚条法进行夹层板、复合材料板的振动分析，与一般有限元、有限条相比具有自由度少、精度高的特点。
In this paper the vibrations of sandwich and composite material plates are analyzed by use of the finite thick strip method. As compared with the conventional finite element and finite strip methods.
在结构自由振动分析中，动力刚度法是一种精确算法。
The dynamic stiffness method is exact for structural free vibration analysis.
从锥壳理论出发，导出计算旋转壳自由振动的一阶微分方程组，采用离散变量法进行求解。
From the theory of conical shells, a set of the first-order differential equations for the shells of revolution are derived. The discrete-variable method is used to solve the differential equations.
利用积分因子降阶法，给出了确定单自由度线性振动系统对任意激励响应的杜哈梅积分的一种新的推导方法。
This paper deals with the solution method of the initial value problem of linear vibration systems in the time domain.
依据虚边界元法思想 ，提出了一种求解薄板自由振动问题的新算法 。
Solving the composite structures of different mediums with virtual boundary element method;
依据虚边界元法思想 ，提出了一种求解薄板自由振动问题的新算法 。
Solving the composite structures of different mediums with virtual boundary element method;
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