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Simplified flutter prediction for bridges with bluff cross-section
Citation Link: https://doi.org/10.15480/882.324
Publikationstyp
Journal Article
Date Issued
1994
Sprache
English
Author(s)
Starossek, Uwe
Institut
TORE-DOI
Journal
Volume
6
Issue
1
Start Page
35
End Page
38
Citation
Structural Engineering Review, Vol. 6, No. 1, pp. 35-38, 1994
Publisher
Elsevier
Wind-induced flutter of bridges occurs as coupled torsional and vertical oscillation, or uncoupled torsional oscillation. Bridges with bluff, non-streamlined sections are prone to torsional flutter. Prediction of torsional flutter on the basis of measured aerodynamic derivatives essentially corresponds to the prediction of coupled flutter, although, compared to the latter, it can be largely simplified. The theoretical background is discussed and the given formulae are checked against empirical data. It is found that simplification is recommendable only up to a certain degree.
DDC Class
620: Ingenieurwissenschaften
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