Unsteady Airload Computations for Airfoils Oscillating in Attached and Separated Compressible Flow,
NATIONAL AEROSPACE LAB AMSTERDAM (NETHERLANDS)
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Recent developments in coupled inviscid flow-boundary layer computations are discussed for airfoils in unsteady motion in attached and separated subsonic and transonic flow. The applicability of quasi-simultaneous strong interaction coupling procedures for transonic small perturbation theory and boundary layer integral methods is illustrated for oscillating airfoils with shock-induced separation. The relevance of the predicted airfoils for aeroelastic applications is illustrated using the analysis of an aeroelastic instability of a supercritical wing wind-tunnel model.