TECHNICAL NOTES
Nov 15, 2004

Efficacy of the Implied Approximation in the Identification of Flutter Derivatives

Publication: Journal of Structural Engineering
Volume 130, Issue 12

Abstract

Structural motion induced aerodynamic forces on bridges are customarily characterized in terms of flutter derivatives. Considerable effort has been extended to refine the procedure to identify flutter derivatives of bridge decks using spring-suspended two-degree-of-freedom bridge deck section models in wind tunnels. In this context, techniques and implied approximations employed in the literature to identify flutter derivatives from section model studies are highlighted. Through a parametric study, this Technical Note assesses the efficacy of a customarily used identification procedure which provides an improved insight and better understanding of the identification technique for flutter derivatives.

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References

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Published In

Go to Journal of Structural Engineering
Journal of Structural Engineering
Volume 130Issue 12December 2004
Pages: 2070 - 2074

History

Published online: Nov 15, 2004
Published in print: Dec 2004

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Authors

Affiliations

Xinzhong Chen
Assistant Professor, Wind Science and Engineering Research Center, Department of Civil Engineering, Texas Tech University, Lubbock, TX 79409. E-mail: [email protected]
Ahsan Kareem
Robert M. Moran Professor, Nathaz Modeling Laboratory, Dept. of Civil Engineering and Geological Sciences, Univ. of Notre Dame, Notre Dame, IN 46556. E-mail: [email protected]

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