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。
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。
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。
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。
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。
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 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。
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。
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。
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。
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。
Authors presented a finite element (FE) model and frequency analysis method for analyzing 3-d full-mode flutter of long-span Bridges using ANSYS software.
提出了一种在ANSYS中直接分析大跨桥梁三维全模态颤振的有限元模型和频域方法。
Authors presented a finite element (FE) model and frequency analysis method for analyzing 3-d full-mode flutter of long-span Bridges using ANSYS software.
提出了一种在ANSYS中直接分析大跨桥梁三维全模态颤振的有限元模型和频域方法。
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