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Comparison Study of Viscous Flutter Boundary for the AGARD 445.6 Wing Using Different Turbulent Boundary Layer Models  

Kim, Yo-Han (경상대학교 기계항공공학부 대학원)
Kim, Dong-Hyun (경상대학교 기계항공공학부 및 항공기부품기술연구소)
Kim, Dong-Man (경상대학교 기계항공공학부 대학원)
Kim, Soo-Hyun (씨에이코리아(주))
Publication Information
Journal of the Korea Institute of Military Science and Technology / v.12, no.6, 2009 , pp. 704-710 More about this Journal
Abstract
In this study, a comparison study of flutter analysis for the AGARD 445.6 wing with wind turnnel test data has been conducted in the subsonic, transonic and supersonic flow regions. Nonlinear aeroelastic using FSIPRO3D which is a generalized user-friendly fluid-structure analyses have been conducted for a 3D wing configuration considering shockwave and turbulent viscosity effects. The developed fluid-structure coupled analysis system is applied for aeroelastic computations combining computational structure dynamics(CSD), finite element method(FEM) and computations fluid dynamics(CFD) in the time domain. MSC/NASTRAN is used for the vibration analysis of a wing model, and then the result is applied to the FSIPRO3D module. the results for dynamic aeroelastic response using different turbulent models are presented for several Mach numbers. Calculated flutter boundary are compared with the wind-tunnel experimental and the results show very good agreements.
Keywords
Aeroelastic; Flutter; Fluid-Structure Coupled System; Flow Viscosity; Turbulent Model;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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