NDLI: Full-range analysis for nonlinear aerostatic instability of long span cable-stayed bridges

Content Provider	IEEE Xplore Digital Library
Author	Xiaoli Xie Tianzhi Hao Huiqin Wu
Copyright Year	2011
Description	Author affiliation: College of Civil Engineering and Architecture, Guangxi University, No. 100, Daxue road, Nanning, China, 530004 (Xiaoli Xie; Tianzhi Hao) \|\| Civil Engineering department, Guangxi University of technology, No. 268 Donghuan Road, Liuzhou, China, 545006 (Huiqin Wu)
Abstract	To investigate the full-range characteristic on nonlinear aerostatic of long span cable-stayed bridge. taking a cable-stayed bridge under construction for example, the realization process of inner and outer incremental double iteration method to solve the aerostatic stability and the full-range physical characteristics of instability are described in detail. Analysis result shows that the critical velocity and instability shape are relation with the corresponding three-component force coefficients of the initial attack angle and the slope of three-component force coefficient curve. Concretely, the iterative positive or negative changing direction of effective attack angle in full-range of aerostatic instability is ascertained by the positive or negative value of lifting moment coefficient in initial attack angle; in addition, which will influence the lifting force coefficient value and drag force coefficient value, the bigger the slope of lifting moment coefficient curve is, the smaller the critical velocity is; when the initial angle is located in the smallest of the positive and the biggest of the negative value of lifting moment coefficient curve, the critical velocity reach the maximum in different rotation direction separately, and with the increase of absolute value of lifting moment coefficient in effective attack angle, the critical velocity presents descending trend in those two different rotation directions.
Starting Page	4071
Ending Page	4074
File Size	301882
Page Count	4
File Format	PDF
ISBN	9781424491728
e-ISBN	9781424491711
DOI	10.1109/RSETE.2011.5965214
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-24
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Bridges Nonlinear Roads Three-component force coefficient Force Cable-stayed bridge Aerostatic stability Stability analysis Finite element methods Civil engineering
Content Type	Text
Resource Type	Article

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