Changes in Bridge Deck Flutter Derivatives Caused by Turbulence

by Robert H. Scanlan, Johns Hopkins Univ, Baltimore, MD, USA,
Dryver R. Huston, Johns Hopkins Univ, Baltimore, MD, USA,



Document Type: Proceeding Paper

Part of: Dynamic Response of Structures

Abstract:

This paper discusses some of the results of a wind tunnel study that tested the aeroelastic stability of section models in smooth and gusting flow. Wind gusts several times longer than the section model deck widths were created by the method of active gust generation. The stability characteristics of the section models was ascertained by using two different methods to measure the flutter derivatives under smooth and gusting flow regimes.

Subject Headings: Bridge decks | Wind tunnel | Wind gusts | Aerodynamic flutter | Fluid flow | Flow measurement | Suspension bridges

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