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A harmonic balance method for nonlinear fluid structure interaction problems

Yao, W. and Marques, Simao (2018) A harmonic balance method for nonlinear fluid structure interaction problems Computers and Structures, 201. pp. 26-36.

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Abstract

Over the past decade the Harmonic-Balance technique has been established as a viable alternative to 26 direct time integration methods to predict periodic aeroelastic instabilities. This article reports the pro- 27 gress made in using a frequency updating procedure, based on a coupled fluid-structural solver using the 28 Harmonic-Balance formulation. In particular, this paper presents an efficient implicit time-integrator that 29 accelerates the convergence of the structural equations of motion to the final solution. To demonstrate 30 the proposed approached, the paper includes a detailed investigation of the impact of input parameters 31 and exercises the method for two types of fluid-structural nonlinear instabilities: transonic limit-cycle 32 oscillations and vortex-induced vibrations.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Mechanical Engineering Sciences
Authors :
NameEmailORCID
Yao, W.
Marques, Simaos.marques@surrey.ac.uk
Date : 13 March 2018
Funders : Engineering and Physical Sciences Research Council (EPSRC)
Identification Number : 10.1016/j.compstruc.2018.02.003
Copyright Disclaimer : © 2018 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY license (http:// creativecommons.org/licenses/by/4.0/).
Uncontrolled Keywords : Limit cycle oscillations; Vortex-induced vibrations; Aeroelasticity; CFD; Harmonic balance; Nonlinear
Depositing User : Clive Harris
Date Deposited : 06 Mar 2018 14:22
Last Modified : 26 Mar 2018 16:10
URI: http://epubs.surrey.ac.uk/id/eprint/845956

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