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强迫振动 forced vibration英语短句 例句大全

时间:2020-07-18 16:01:31

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强迫振动 forced vibration英语短句 例句大全

强迫振动,forced vibration

1)forced vibration强迫振动

1.Brief analysis of reason offorced vibration during machining and the solution to weaken it;简析机械加工中强迫振动产生的原因及减少途径

2.Study onforced vibration model test of spring supported half speed 1000MW turbo-generator foundation at nuclear power plant;核电站1000MW半速汽轮发电机组弹簧隔振基础强迫振动模型试验

3.Analysis of theforced vibration of the beam bridge under the load of moving vehicles;移动车辆荷载作用下梁桥的强迫振动分析

英文短句/例句

1.Oscillation and Forced Oscillation of Impulsive Differential Equations;脉冲微分方程的振动性及强迫振动性

2.High Accuracy Difference Schemes for the Forced Vibration Wave Equation强迫振动波动方程的高精度差分格式

3.Forced Vibrations of a Undamped Dynamometer Subject to Harmonic Excitation;简谐激励无阻尼测力机构的强迫振动

4.The Identification of Flutter Derivatives for Long-span Bridges Applying the Forced Vibration Method;大跨桥梁颤振导数识别的强迫振动法研究

5.Three Degree-of-freedom Forced Vibration Method for Identification of Aerodynamic Derivatives of Bridge Decks;桥梁断面气动导数识别的三自由度强迫振动法

6.The Analysis of Nonlinear Dynamics in the System of Externally Excited Pipes Conveying Fluid输流管道强迫振动的非线性动力学特性分析

7.Oscillation and Forced Oscillation Behavior for Some Kinds of Solutions for Dynamic Equations with Positive and Negative Coefficients on Time Scales时标上几类具正负系数动力方程解的振动性与强迫振动

8.The Research on Three Degree-of-freedom Forced Vibration Method for Identification of Aerodynamic Derivatives and Flutter Mechanism;气动导数识别的三自由度强迫振动法及颤振机理研究

9.Nonlinear Forced Axisymmetric Vibrations of Thin Circular Plate and Shallow Spherical Shell;圆薄板及扁球壳轴对称非线性强迫振动

10.Forced Oscillation of a Kind of Impulsive Parabolic Differential Equations of Neutral Type;一类脉冲中立型抛物方程解的强迫振动性

11.Forced Oscillation of a Class of Nonlinear NeutralHyperbolic Differential Equations;一类非线性中立型双曲方程的强迫振动性

12.Forced Oscillation for Certain Delay Hyperbolic Differential Equations;一类时滞双曲型微分方程解的强迫振动性

13.Application of Symmetry in the Forced Vibrationof Double Degree of Freedom System;对称性在双自由度体系强迫振动中的应用

14.Forced Oscillation for Systems of a Class of Quasilinear Impulsive Delay Parabolic Equations一类拟线性脉冲时滞抛物方程组的强迫振动性

15.Analysis of ice-induced forced vibration for offshore jacket platform structure导管架海洋平台结构冰致强迫振动分析

16.Forced vibration of a circular eradiation plate with a columned magnetostrictive actuator柱形磁致伸缩换能器辐射板的强迫振动规律

17.Simulation for Identification of Flutter Derivatives for Aerofoil Using Forced Vibration Method and Its Application机翼节段颤振导数的强迫振动仿真识别及其应用

18.forced oscillation [ vibration ]【物】受迫振动[振荡]

相关短句/例句

forced oscillation强迫振动

1.Identification of aerodynamic derivatives for bridge sections byforced oscillation method;强迫振动法提取桥梁气动导数研究

2.Forced oscillations of Parabolic Differential Equations with deviating Arguments;具有偏差变元的抛物型微分方程解的强迫振动

3.In this paper, theforced oscillation of certain systems of nonlinear neutral impulsive partial deferential equations with delays is studied.研究了一类非线性中立型时滞脉冲偏微分方程系统解的强迫振动性,在给定的边界条件下得到了系统解强迫振动的若干判别准则,推广了已知的结果。

3)dynamic response强迫振动

4)forced oscillation强迫振动性

1.We study theforced oscillation for a class of nonlinear parabolic partial functional differential equations with continuous distribution delay.研究了一类具有连续分布滞量的非线性中立型抛物偏泛函微分方程的强迫振动性,利用Green定理和Jensen不等式将多维振动问题转化为关于某一类具连续分布滞量的非线性中立型微分不等式的一维问题,给出了这类方程在三类不同边值条件下所有解强迫振动的若干充分条件。

2.Sufficient conditions were obtained forforced oscillations of the difference equations with continuous arguments.利用Lebesgue控制收敛定理,建立了具连续变量差分方程振动性的几个新的比较定理,给出了具连续变量差分方程强迫振动性的充分条件,并举例说明了强迫项对方程解的振动性的影响。

3.An averaging technique is used to study theforced oscillation of nonlinear hyperbolic equations with a distributed deviating argument.使用平均值技巧 ,把多维问题变为一维的微分方程或微分不等式的振动问题 ,研究具有分布偏差变元的双曲微分方程解的强迫振动性 。

5)forced vibration method强迫振动法

1.It is called that theforced vibration method is first developed in China.利用我们开发的国内第一个强迫振动法试验方法 ,研究了三种不同断面的桥梁颤振自激力特性和Scanlan提出的颤振导数理论的若干假定。

2.In the paper,the test facility and principle of the identification for flutter derivatives applying theforced vibration method are introduced.研究结果表明 :强迫振动法具有试验数据重复性好、测定折减风速范围宽、无需复杂的系统识别过程即可得到交叉导数项等一系列优

3.In order to analyze the aerodynamic mechanism of central stabilizers,firstly,a data processing method for identification of the bridge aerodynamic derivatives in time domain was presented based on three degrees of freedom couplingforced vibration method and 18 aerodynamic derivatives were identified at truss-girder section with and without central stabilizer.为了研究中央稳定板的气动作用机理,首先采用三自由度耦合振动时域识别的强迫振动法,一次识别出桁架断面在有无中央稳定板时的18个气动导数,然后以识别的气动导数作为输入参数,利用自主研发的NACS软件对矮寨大桥进行了颤振分析;最后通过能量原理对中央稳定板的作用机理进行了证明。

6)forced oscillation of solutions强迫振动解

延伸阅读

强迫振动强迫振动forced ostiDations强迫振动,.侧纽倪d山痴.;~y袱解皿“e劝邢血,皿,l在某一物质系统中由于随时间变化的外力影响而发生的振动.在线性耗散系统(d如币ati化s岁把m)中,在按调和规律变化的外力作用下发生的强迫振动的频率就是外力的频率.强迫振动的振幅,由外力的参数(振幅、频率)和在其中发生振动的介质的阻尼系数来决定.如果外力的频率接近于系统的一个本征振动(。今泊倪凶血山n)的频率,那么强迫振动的振幅可以具有相当大的值,并且介质的阻尼越小,振幅越大.如果介质的阻尼为零,而外力的频率等于系统的一个本征振动频率,那么强迫振动的振幅无限增加,且随时间线性地变化.这种效应称为共振(n沼佣an沈).如果外力包含在物质系统中,那么既可发生强迫振动又可发生本征振动.在耗散系统中本征振动是衰减的,在系统中只保持强迫振动(穆宇林夺(stab泣ingstate)).向稳定状态过渡的条件称为瞬变条件(。丑璐七爪conditions)介质的阻尼越大,瞬变状态持续的时间越短.如果外力是时间的周期函数(周期为T二2川P),它可以表示为Founer级数,那么在线性系统中发生的强迫振动是频率为。P(n“1,2,…)的谐波之和.这些谐波的振幅随n的增加而减小,但不是一致地减小.实际上,通常只取有限个谐波.如果对于某个n值,频率np接近于系统的一个本征频率,那么强迫振动的这个谐波的振幅可能相当大,当不存在介质的阻尼时,它将无限增加.例如,对于单自由度耗散系统,其运动方程具有下列形式:父+Zh“+k,x一、菩H·sin(”“十‘·),其中h,犷,H,,p,戊是常系数,强迫振动将服从规律 吞H_x一户!不了不寿育丙7~sm(nPt+“一,,),其中下,=二枷[ZhoP/(k,一n,扩)1.如果h“0(无阻尼介质),sP=k,则有 x_于(!)一兰~‘。。。+、、- ”司‘一n一P-- H.t 一谕翎(’Pt+6s),其中求和号的上角(s)表示在求和时不计对应n=s的一项.当存在非周期外力时,系统中产生的强迫振动也是非周期的.当调和外力作用于非线性耗散系统时,强迫振动的频率可以是外力的频率,也可以是它的整数倍(下调和振动(sub抽叮阳苗c佣司血石。粥).在受调和外力的作用的自振系统(见自振动(auto-洗dlhtion))中,将产生拟周期状态(q“始l一详该浦csta-馏);其特征是既存在频率接近于自振动频率的周期振动,又存在频率等于外力频率的强迫振动.如果外力的频率接近于自振动频率,则系统只发生具有外力频率的振动.这种效应称为强迫同步(化m幻s班1c加旧-垃口如n)(俘攀(caP‘”·

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