The method based on the cubic B-spline function, beam vibration function (or trigonometric functions) and variation principle.
这个方法是建立在三次样条函数、梁振动函数(或三角函数)及变分原理基础上。
The computations show that the foundation elasticity stiffness abrupt change has greater influences on beam vibration. This influences increase with increase of the velocity of the moving loads.
计算表明，基础弹性突变对梁的振动有较大影响，其影响随着移动荷载速度的增加而增加。
Additionally, the unit's rigid frame and beam chassis helps to reduce vibration and a low-leakage R-core transformer minimizes the interference of digital noise.
此外，该单位的刚架梁底盘有助于减少震动和低泄漏的R -核心变压器的干扰最小的数码噪音。
By applying vehicle-bridge vibration theory, dynamical model and equation of railway curve negotiating vehicle as well as the model and equation of curve beam bridge are established.
运用车桥耦合振动理论，建立铁路车辆曲线通过模型动力方程、曲线梁桥模型及其动力方程。
An experiment method was used to identify ARX model of the system, based on which the predictive controller was obtained to control vibration of a cantilever beam.
通过实验方法建立了系统的ARX模型，并在此基础上设计了预测控制器对结构进行振动主动控制。
The beam motion is divided into two parts: rigid rotation and flexible vibration.
假设梁的运动由刚性回转与柔性振动两部分组成。
Through the test of model beam, we build the relationship between characteristics of vibration with attached load and its damaged mode.
通过模型梁试验，建立起简支梁在附加荷载作用下振动特性与破损模态之间的关系。
The results show that the effects of orientation of piezoelectric ceramic on high order vibration characteristics of beam are low.
结果表明，当压电梁振动阶数较高时，陶瓷片的横向布置对梁的振动特性影响很小。
Still, keep your hopes up, because Venus in Aries will send a shimmering beam to Neptune - a glamorous vibration if there ever was one - at the time of this full moon.
一直保持着希望，因为白羊座的金星将会对海王星发出闪闪光芒，在这月末的时候会有一次迷人的震颤。
In this thesis, the application of piezoelectric shunt damping technique to semi-active vibration control of a cantilever beam has been investigated theoretically and experimentally.
本文的研究工作主要是对压电分支电路阻尼技术应用于柔性悬臂梁的半主动振动控制进行理论和实验研究。
Calculation results indicate that the vibration acceleration of beam and pier can be more effectively reduced with steel spring bearing.
计算结果显示，钢弹簧支座能更有效地降低梁体与桥墩的振动加速度。
The latent equation of the freely vibration modes of elastic bearing beam is deduced.
推导了弹性支承梁的横向自由振动模态的特征方程。
With taking into account some uncertainty factors, the vibration control model of piezoelectricity intelligent beam structure is founded.
在此基础上，考虑模型的不确定性因素，建立了不确定压电智能梁结构的振动控制模型。
This paper is concerned with semi-active control of vertical vibration for continuous beam by variable dampers and puts forward the semi-active control law based on the sliding mode theory.
利用可变阻尼器对连续梁桥的竖向振动进行半主动控制，提出基于滑动模式理论的控制算法，并以实例加以说明。
The vibration of a special kind of nonlinear thin plate shape beam with pulsating fluid is calculated and analyzed in this paper.
对一类特殊的非线性薄板梁结构受振荡流作用下的振动情况进行了计算和分析。
The differential equation for transverse vibration in thick beam is easily established by applying the Hamilton's variance principle.
本文应用哈密顿变分原理较简捷地建立了厚梁横向振动的微分方程。
A flexible model of multi-axle vehicle ride comfort is presented by combining the vibration theory of elastic beam and modal analysis method.
运用弹性梁弯曲振动理论和模态分析法建立了多轴汽车平顺性分析的柔性模型。
The natural frequency is a critical parameter of structure vibration; it is the foundation to investigate the dynamic response of composite beam.
而结构动力特性中的自振频率是反映结构自身特点的重要参数，是研究组合梁动力学问题的基础。
The elastic vibration of spacecraft with beam like appendages is studied as wave motion in this paper.
将带梁式柔性附件航天器的附件振动作为波动研究。
At the same time, destructiveness test by loading on simple supporting prestressing concrete beam and gathering work of the vibration signal were carried on.
同时对预应力混凝土简支梁进行了破坏性加载试验和振动信号采集工作。
Structural free vibration characterization and seismic response were calculated by means of beam-plate linear mathematical model of finite element method.
采用梁、板线性有限元数学模型计算了结构自振特性和地震响应。
As its structure character of beam pumping unit, vibration and noise happen on the joint of connection rod head and beam during operation.
游梁平衡抽油机由于其自身结构特点，在运行过程中，连杆上接头与横梁连接部分经常会出现振动和响声。
The values of the lateral and vertical vibration acceleration of PCT beam are all under the safety limits regulated by Code for Rating Railway Bridges.
PCT梁的横、竖向振动加速度值都不大，均在《铁路桥梁检定规范》规定的限值以内；
Through beam structure finite unit dynamic analysis and experiment of RC model beam, we build the relationship between beam bridge attached load vibration characteristics and damaged model.
利用杆件结构有限元动力分析计算，并通过模型梁试验，建立起简支梁在附加荷载作用下振动特性与破损模态之间的关系。
And numerical example is adopted to explain the influence of external prestress to the vibration frequency and modality for simple beam.
通过数值算例验证了体外预应力对简支梁桥振动频率和振动模态的影响。
The effect of different mathematical models on lateral vibration analysis of multi-span simple beam bridge is discussed in this paper.
讨论了铁路多跨简支梁桥不同计算图式对横向振动分析结果的影响。
A theoretical approach is provided to investigate the problem of local free vibration of an initially stressed curved sandwich beam in this paper.
文章研究了受初始静载荷作用下夹芯复合材料曲梁的面板的局部自由振动问题，并给出一种相应的理论分析方法。
Time delay filter technique is applied in the control of reducing residual vibration of a flexible beam.
将时滞滤波器技术应用在柔性机械臂残留振荡的控制中，获得了好的控制效果。
The principal vibration of a simple beam with elastic supports was analyzed and the analytical formulation of normal vibration mode was derived.
给出了弹性支承桥梁和车体的振动方程并通过对具有弹性支座简支梁主振动的分析，得出了梁主振型的解析公式。
The principal vibration of a simple beam with elastic supports was analyzed and the analytical formulation of normal vibration mode was derived.
给出了弹性支承桥梁和车体的振动方程并通过对具有弹性支座简支梁主振动的分析，得出了梁主振型的解析公式。
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