Abstract
This paper deals with the effect of a gyroscopic damper (GD) on bridge deck flutter considering nonlinear characteristics of the gyroscopic moment of the GD. The GD has been reported to have a major effect in suppressing bridge deck flutter through a linear analysis in which the GD motion is assumed to be sufficiently small. However, since the GD produces a large oscillation against the slight amplitude of deck torsional motion, the control effect of GD actually decreases on deck torsional motion as the GD amplitude increases. In this paper, applying the method of equivalent linearization, we proposed the index parameters that indicate the effect of the GD with large oscillation. The validity of these parameters was confirmed by the nonlinear time response analysis of a 2-D bridge deck model with the GD which self-excited aerodynamic forces and gusty wind forces act on.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callMore From: TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series C
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
