In many flutter analysis methods, the PK-F method is an equivalent flutter analysis method in common use.
在众多桥梁颤振分析的实验加理论方法中，PK - F法是一种通用性很强的等效颤振分析方法。
The accuracy of flutter analysis improved by this method is much higher than that obtained by the piston theory.
特别是和用活塞理论所做的颤振分析相比，计算精度有了明显提高。
The problems of uncertainty modeling and robust flutter analysis of aeroelastic system are investigated in this paper.
研究了气动弹性系统的不确定性建模和鲁棒颤振分析问题。
For fully unsteady aerodynamic force is calculated with Green's Function method, the results of flutter analysis are accurate.
完全非定常气动力由格林函数方法直接计算，颤振分析结果准确。
The proposed method overcomes the defects of the previous direct flutter analysis and it is a single parameter searching method.
该方法是一种单参数搜索方法，克服了以往直接颤振分析方法的一些缺陷。
This paper proposes a new direct flutter analysis of long span Bridges, based on the full order discretized physical model of structure.
基于结构的有限元全物理模型，提出了用于分析大跨度桥梁耦合颤振新的直接分析方法。将系统的气动运动控制方程转化成广义特征值问题。
A flutter analysis based on root locus method is programmed. It can be applied to a wing equipped with an active flutter suppression system.
本文编制了可用于分析带有颤振主动抑制系统的机翼的根轨迹法程序。
And the intrinsic relation between cascade flutter and cascade design was studied by using the numerical flutter analysis and prediction system.
并使用三维叶片颤振数值分析预估系统对叶片进行颤振分析，得出叶片颤振与叶片设计参数之间的内在关系。
The fundamental methods for flutter analysis and the current status of aerodynamic derivative identification are reviewed at first in this thesis.
本文首先回顾了大跨度桥梁颤振分析的基本方法和气动导数识别方法的研究现状。
The direct flutter analysis only requires a single parameter searching process and is efficient and fits to the flutter problems of actual long span Bridges.
由于只需进行单参数的搜索过程且计算效率较高，用该方法分析实际大跨度桥梁颤振问题是合适的。
A new approach of full-mode flutter analysis with double parameters is proposed, which is realized in ANSYS, based on the full-order discretized physical model of structure.
基于结构的有限元全物理模型，提出了一种双参数全模态颤振分析方法，并在ANSYS中实现。
Because of the drastic aerodynamic heating effect, panel flutter analysis considering thermal effects becomes an emerging problem in the design process of supersonic aircraft.
在超音速飞行器的设计中，由于气动加热效应相当剧烈，考虑热效应的壁板颤振问题成为一个不可忽视的气动弹性问题。
Some typical numerical results are presented from application of the model to static analysis, dynamic analysis, static aeroelasticity and flutter analysis of a wing-box and a wing.
将等效板模型推广应用到典型机翼结构的静力学、动力学以及静、动气动弹性分析中。
A suspension bridge project is taken as an example, in which the evolution of critical wind speed of flutter during bridge erection is studied by a multi-mode flutter analysis approach.
以某悬索桥设计方案为工程背景，应用多模态颤振分析方法，分析了该桥架设阶段颤振临界风速的发展趋势。
The aim of this thesis is to analyze the panel flutter mechanism and establish a mechanical model for panel flutter analysis and this work is the basis of panel flutter control studies.
本文的目的就是对壁板的热颤振特性进行系统深入的分析和研究，为高速飞行器的壁板结构的防颤振设计和壁板颤振抑制的研究建立理论基础。
Some typical numerical results are presented from application of the model to the static analysis, dynamic analysis, static aeroelasticity and flutter analysis of a wing-box and a wing.
将等效板模型推广应用到典型机翼结构的静力学、动力学以及静、动气动弹性分析中。
The numerical flutter analysis system was formed by the three-dimensional numerical simulation of the vibrating cascade flow combined with the structural dynamics analysis of vibrating blade.
将振动叶栅三维流动数值模拟与振动叶片结构动力学分析相结合，建立了叶片颤振数值分析系统。
The incremental harmonic balance method is extended to analyze the flutter of two dimensional airfoils. The present procedure provides a new effective way to the strongly nonlinear flutter analysis.
将增量谐波平衡法推广应用于二元机翼的颤振问题，为强非线性颤振分析提供了一条有效的新途径。
Furthermore, it performed the parametric analysis in terms of feedback gains and delayed time using the root locus method, thus obtaining the system's flutter stability boundary.
进而采用根轨迹方法就反馈增益和延迟时间进行参数分析，获得系统的颤振稳定性边界。
Finally, according to chatter mechanism, analysis of occurrence of the Humen Bridge Flutter reasons.
最后，从桥梁颤振机理分析虎门大桥发生颤振的原因。
The history of experimental modal analysis began in the 1940's with work oriented toward measuring the modal parameters of aircraft so that the problem of flutter could be accurately predicted.
试验模态分析的历史始于1940年，用于测量飞机的模态参数，以准确预测颤振问题。
Through the computation and analysis of unsteady aerodynamic forces loading on the cascades and aerodynamic work, the probability of blade flutter is predicted through the energy method.
通过对叶片表面非定常气动力及其所做非定常气动功的计算分析，采用能量法对叶片颤振与否进行预估判断。
The identification of flutter derivatives for bridge sectional model has long been a key issue in long-span bridge flutter and buffeting analysis.
长期以来，桥梁断面颤振导数的识别都是大跨度桥梁颤抖振响应分析中的重点和难点问题。
A direction derivative method for the analysis of the effects of asymmetric stores on flutter speed is presented.
提出了一种分析不对称外挂对飞机颤振影响的方向导数法。
The thermal flutter characteristics of structure in different temperature and different material are researched using the thermal stiffness analysis method.
使用热刚度计算理论，进行了不同温度场和不同结构材料的热颤振特性研究。
Finally, to determine the bridge flutter, galloping and buffeting critical wind speed as a method of judging the stability, buffeting response analysis is the key point.
最后，对成桥运营阶段确定了颤振、驰振临界风速以此来做为稳定性的判断依据，并重点进行脉动风场的抖振响应分析。
Simulation of stochastic wind velocity field is prerequisite to flutter or buffeting analysis of long-span bridges in time-domain.
随机脉动风场的模拟是大跨度桥梁颤抖振时域分析的前提。
According to the demand of wind-resistance analysis for the Bridges, a full set of practical method of flutter time analysis is brought forward for cable-stayed Bridges.
根据桥梁抗风计算的需要，提出了一整套斜拉桥抖振时域分析的实用方法。
The analysis shows that the additional surface attached below the trailing edge is an effective aerodynamic means for suppressing the flutter of suspension Bridges.
分析表明，主梁下风侧附加翼板对悬索桥颤振是一种有效的气动控制措施。
The analysis shows that the additional surface attached below the trailing edge is an effective aerodynamic means for suppressing the flutter of suspension Bridges.
分析表明，主梁下风侧附加翼板对悬索桥颤振是一种有效的气动控制措施。
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