Discovering time-varying aerodynamics of a prototype bridge by sparse identification of nonlinear dynamical systems
Abstract
Vortex-induced vibrations (VIVs) have been observed on a long-span suspension bridge. The nonstationary wind in the field characterized by the time-varying mean wind speed is likely to lead to time-varying aerodynamics of the wind-bridge system during VIVs, which is different from VIVs induced by stationary or even steady wind in wind tunnels. In this paper, data-driven methods are proposed to reveal the time-varying aerodynamics of the...
Paper Details
Title
Discovering time-varying aerodynamics of a prototype bridge by sparse identification of nonlinear dynamical systems
Published Date
Aug 21, 2019
Journal
Volume
100
Issue
2
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