Flutter Control of a Two-Degrees-of-Freedom Airfoil Using a Nonlinear Tuned Vibration Absorber-Reference-Cited by-同舟云学术

Flutter Control of a Two-Degrees-of-Freedom Airfoil Using a Nonlinear Tuned Vibration Absorber

Published:2017-05-04 Issue:5 Volume:12 Page:
ISSN:1555-1415
Container-title:Journal of Computational and Nonlinear Dynamics
language:en
Short-container-title:

Author:

Malher Arnaud¹,Touzé Cyril²,Doaré Olivier²,Habib Giuseppe³,Kerschen Gaëtan³

Affiliation:

1. IMSIA (Institute of Mechanical Sciences and Industrial Applications), ENSTA ParisTech—CNRS—EDF—CEA, Université Paris-Saclay, 828 Bd des Maréchaux, Palaiseau Cedex 91732, France e-mails: ,

2. IMSIA (Institute of Mechanical Sciences and Industrial Applications), ENSTA ParisTech—CNRS—EDF—CEA, Université Paris-Saclay, 828 Bd des Maréchaux, Palaiseau Cedex 91732, France

3. Space Structures and Systems Laboratory, Department of Aerospace and Mechanical Engineering, University of Liège, Liège 4000, Belgium

Abstract

The influence of a nonlinear tuned vibration absorber (NLTVA) on the airfoil flutter is investigated. In particular, its effect on the instability threshold and the potential subcriticality of the bifurcation is analyzed. For that purpose, the airfoil is modeled using the classical pitch and plunge aeroelastic model together with a linear approach for the aerodynamic loads. Large amplitude motions of the airfoil are taken into account with nonlinear restoring forces for the pitch and plunge degrees-of-freedom. The two cases of a hardening and a softening spring behavior are investigated. The influence of each NLTVA parameter is studied, and an optimum tuning of these parameters is found. The study reveals the ability of the NLTVA to shift the instability, avoid its possible subcriticality, and reduce the limit cycle oscillations (LCOs) amplitude.

Funder

H2020 European Research Council

Direction Générale de l’Armement

Publisher

ASME International

Subject

Applied Mathematics,Mechanical Engineering,Control and Systems Engineering,Applied Mathematics,Mechanical Engineering,Control and Systems Engineering

Link

http://asmedigitalcollection.asme.org/computationalnonlinear/article-pdf/doi/10.1115/1.4036420/6110285/cnd_012_05_051016.pdf

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