空气动力颤振导数 aerodynamic flutter derivative
This paper makes use of free vibration method to identify the flutter derivatives of the girder.
本文对主梁的颤振导数识别,以自由振动法进行试验。
参考来源 - 大跨度斜拉桥空气动力特性试验研究Based on section model wind tunnel test, modal identification techniques including ERA, LSCE and Wavelet are utilized to determine the flutter derivatives of a bridge deck section.
3.在桥梁节段模型风洞试验中,应用ERA、LSCE、Wavelet等方法分别进行桥梁截面颤振导数识别,取得了较好的识别效果。
参考来源 - 模态参数识别方法及应用研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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。
The identification reliability of flutter derivatives can be improved by introducing two or more data processing methods.
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 identification of flutter derivatives for bridge sectional model has long been a key issue in long-span bridge flutter and buffeting analysis.
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。
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.
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