aerodynamic derivative 空气动力导数; 气动导数 aerodynamic flutter coefficient 空气动力颤振系数 ..
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Major contents of the thesis include the following:(1) The forced oscillating procedure is used to determinate the flutter derivatives of the ideal flat plate with the discretization method of finite volume method(FVM) by using ADINA.
本文主要进行了以下几个方面的工作，并得到了一些有益的结论：(1)利用ADINA采用强迫振动数值法计算了理想平板的气动导数。
参考来源 - 基于ADINA的桥梁气动导数数值模拟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。
参考来源 - 桥梁断面气动导数自由耦合振动识别方法研究The flow past a flat plate undergoing a harmonic oscillate is discussed to test the method of getting the aerodynamics derivative and the numerical procedure .
本文还讨论了振动平板的绕流，检验了提取气动导数的可行性，但是同理论值的偏差较大。
参考来源 - 二维钝体绕流计算的离散涡奇点分布法·2,447,543篇论文数据，部分数据来源于NoteExpress
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。
Identification of flutter derivatives is an attractive topic in the field of wind-resistance study of long-span Bridges.
主要讨论了测量参数间的时间延迟对飞机气动导数辨识结果的影响。
This paper briefly discusses the effects on the aerodynamic derivative identification results caused by time delay in measured parameters.
提出了一种数值模拟振动的理想平板绕流场，并提取其气动导数的方法。
Numerical simulation of the flow field around the oscillating ideal flat plate is presented to assess the aerodynamic derivatives.
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