The nonlinear aeroelastic characteristics of a fighter-type wing with control surface have been investigated. The fictitious mass modal approach is used to reduce the problem size and the computation time in the linear and nonlinear flutter analyses. A Doublet-Hybrid method are used for the computation of subsonic unsteady aerodynamic forces. Structural nonlinearity of the control surface hinge is represented by a free-play spring. The linear and nonlinear flutter analyses indicate that the flapping mode of control surface and the hinge stiffness have significant effects on the flutter characteristics. The nonlinear flutter analysis shows that limit cycle oscillation and chaotic motion are observed in the wide range of air speed below the linear flutter boundary and the jump of limit cycle oscillation amplitude is observed. The nonlinear flutter characteristics and the nonlinear flutter boundary of limit cycle oscillation and chaotic motion have been investigated.
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ASME 2002 International Mechanical Engineering Congress and Exposition
November 17–22, 2002
New Orleans, Louisiana, USA
Conference Sponsors:
- Applied Mechanics Division
ISBN:
0-7918-3659-2
PROCEEDINGS PAPER
Nonlinear Aeroelastic Characteristics of a Fighter-Type Wing With Control Surface Available to Purchase
Jae-Sung Bae,
Jae-Sung Bae
Korea Advanced Institute of Science and Technology, Daejon, Korea
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In Lee
In Lee
Korea Advanced Institute of Science and Technology, Daejon, Korea
Search for other works by this author on:
Jae-Sung Bae
Korea Advanced Institute of Science and Technology, Daejon, Korea
In Lee
Korea Advanced Institute of Science and Technology, Daejon, Korea
Paper No:
IMECE2002-33066, pp. 167-177; 11 pages
Published Online:
June 3, 2008
Citation
Bae, J, & Lee, I. "Nonlinear Aeroelastic Characteristics of a Fighter-Type Wing With Control Surface." Proceedings of the ASME 2002 International Mechanical Engineering Congress and Exposition. 5th International Symposium on Fluid Structure Interaction, Aeroelasticity, and Flow Induced Vibration and Noise. New Orleans, Louisiana, USA. November 17–22, 2002. pp. 167-177. ASME. https://doi.org/10.1115/IMECE2002-33066
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