Model stiffness and support location effect on flutter derivatives is studied in bridge deck section dynamical test.
通过试验研究了桥梁节段模型动力试验中模型本身的刚度和支撑位置对颤振导数测量结果的影响。
Identification of flutter derivatives is an attractive topic in the field of wind-resistance study of long-span Bridges.
气动导数识别是大跨度桥梁抗风研究中备受关注的一个问题。
The identification reliability of flutter derivatives can be improved by introducing two or more data processing methods.
采用两种或多种数据处理方法，可以提高颤振导数识别结果的可信度。
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。
Flutter derivatives play very important roles for determining the flutter critical wind speed and buffeting responses of long-span Bridges.
气动导数是大跨桥梁结构颤振和抖振分析中确定颤振临界风速和抖振响应的重要依据。
A thin plate and the sectional model of the Jiangyin Bridge were tested in turbulent wind in a wind tunnel to extract their flutter derivatives.
在模拟的紊流风场中，应用这一方法对平板和江阴长江大桥的节段模型进行了试验，识别了其气动导数。
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。
The results indicate that the effects of turbulence on flutter derivatives of those Bridges with more streamlined deck cross section may be neglected.
试验结果初步表明，对具有良好流线型的桥梁断面，紊流对气动导数的影响可以忽略。
In this paper, the flutter derivatives of a thin plate model under the simultaneous actions of wind and rain are identified by using the Covariance-Driven Stochastic Subspace Identification method.
气动导数是大跨桥梁结构颤振和抖振分析中确定颤振临界风速和抖振响应的重要依据。
In this paper, the flutter derivatives of a thin plate model under the simultaneous actions of wind and rain are identified by using the Covariance-Driven Stochastic Subspace Identification method.
本文采用随机系统识别方法，在模拟的风雨共同作用条件下识别了薄平板模型的气动导数。
In this paper, the flutter derivatives of a thin plate model under the simultaneous actions of wind and rain are identified by using the Covariance-Driven Stochastic Subspace Identification method.
对薄平板二维节段模型做了颤振导数识别，颤振导数的计算结果与风洞试验值有很好的一致性。
The influence of aerodynamic force matrix on critical flutter state with aerodynamic derivatives of four different sections was studied.
采用理想平板的气动导数研究了各气动导数对颤振临界状态的影响。
The influence of aerodynamic force matrix on critical flutter state with aerodynamic derivatives of four different sections was studied.
采用理想平板的气动导数研究了各气动导数对颤振临界状态的影响。
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