Experimental determination of aeroelastic derivatives for a small-scale bridge deck

Cassaro, M, Cestino, E, Frulla, G, Marzocca, P and Pertile, M 2018, 'Experimental determination of aeroelastic derivatives for a small-scale bridge deck', International Journal of Mechanics, vol. 12, pp. 67-78.


Document type: Journal Article
Collection: Journal Articles

Title Experimental determination of aeroelastic derivatives for a small-scale bridge deck
Author(s) Cassaro, M
Cestino, E
Frulla, G
Marzocca, P
Pertile, M
Year 2018
Journal name International Journal of Mechanics
Volume number 12
Start page 67
End page 78
Total pages 12
Publisher North Atlantic University Union
Abstract A heaving and pitching two degrees of freedom bridge-deck sectional model apparatus representative of a long-span bridge was designed, built, and tested in the wind tunnel to acquire measurement of aeroelastic derivatives. The main objective of this study was the experimental validation of the procedure to compute the aeroelastic derivatives based on the Iterative Least Square Method identification technique. A good correspondence was found between the flutter derivatives experimentally extracted from the model, and the corresponding reference values, which have been analytically derived from the Theodorsen's theory. A simulation model in MATLAB/Simulink® environment, useful for future control laws applications, was also developed and validated by real experimental results.
Subject Aerodynamics (excl. Hypersonic Aerodynamics)
Keyword(s) Aeroelastic derivatives identification
Small-scale bridge model
Wind tunnel experiments
Copyright notice © 2018, North Atlantic University Union. All rights reserved.
ISSN 1998-4448
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