A Quick Assessment and Optimization Method for a Flutter Aerodynamic Measure of a Typical Flat Box Girder
Joint Authors
Li, Jiawu
Wang, Zijian
Bai, Hua
Wang, Feng
Xiong, Chuan
Guo, Congmin
Source
Issue
Vol. 2020, Issue 2020 (31 Dec. 2020), pp.1-11, 11 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2020-08-12
Country of Publication
Egypt
No. of Pages
11
Main Subjects
Abstract EN
Flutter is one of the most serious wind-induced vibration phenomena for long-span bridges and may cause the collapse of a bridge (e.g., the Old Tacoma Bridge, 1940).
The selection and optimization of flutter aerodynamic measures are difficult in wind tunnel tests.
It usually takes a long time and consumes more experimental materials.
This paper presents a quick assessment and design optimization method for the flutter stability of a typical flat box girder of the long-span bridges.
Numerical analysis could provide a reference for wind tunnel tests and improve the efficiency of the test process.
Based on the modal energy exchange in the flutter microvibration process, the global energy input and local energy input are analyzed to investigate the vibration suppression mechanism of a flat steel box girder with an upper central stabilizer.
Based on the comparison between the experimental and numerical data, a quick assessment method for the optimization work is proposed.
It is practical to predict the effects of flutter suppression measures by numerical analysis.
Thus, a wind tunnel test procedure for flutter aerodynamic measures is proposed which could save time and experimental materials.
American Psychological Association (APA)
Wang, Feng& Xiong, Chuan& Wang, Zijian& Guo, Congmin& Bai, Hua& Li, Jiawu. 2020. A Quick Assessment and Optimization Method for a Flutter Aerodynamic Measure of a Typical Flat Box Girder. Shock and Vibration،Vol. 2020, no. 2020, pp.1-11.
https://search.emarefa.net/detail/BIM-1212692
Modern Language Association (MLA)
Wang, Feng…[et al.]. A Quick Assessment and Optimization Method for a Flutter Aerodynamic Measure of a Typical Flat Box Girder. Shock and Vibration No. 2020 (2020), pp.1-11.
https://search.emarefa.net/detail/BIM-1212692
American Medical Association (AMA)
Wang, Feng& Xiong, Chuan& Wang, Zijian& Guo, Congmin& Bai, Hua& Li, Jiawu. A Quick Assessment and Optimization Method for a Flutter Aerodynamic Measure of a Typical Flat Box Girder. Shock and Vibration. 2020. Vol. 2020, no. 2020, pp.1-11.
https://search.emarefa.net/detail/BIM-1212692
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1212692