Discrete dynamic equilibrium model for a complex problem of flutter interactions

Ichiro Ario

Chaos, Solitons & Fractals, 2020, vol. 141, issue C

Abstract: The dynamic bifurcation analysis of the nonlinear oscillation of a simple fluidelastic structure is presented. This structure is a cantilever beam in a flow, and it behaves as a nonlinear system without potential energy. The structure demonstrates complex flutter behaviour that varies with the controlled flow velocity. We observe the flutter behaviour in a flow experiment, and the motion is characterised with this present model based on chaos theory of discrete dynamics. We can readily find the solution of the simple system, with which it is possible to create a map of the complex flutter behaviour.

Keywords: Dynamic systems; Dynamic instability; Nonlinear mechanic model; Bifurcation theory; Discrete equilibrium model (search for similar items in EconPapers)
Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:141:y:2020:i:c:s0960077920307098

DOI: 10.1016/j.chaos.2020.110313

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