Abstract
Different concepts of shock wave and/or boundary layer control have been numerically investigated with the 2D and 3D time-accurate strong viscousinviscid interaction codes VIS15 and VIS25 within Task 2 of EUROSHOCK II. The 2D code VIS15 has been used to study the influence of bumps, discrete suction, hybrid control, and passive and active control through perforated walls in the case of different laminar and turbulent airfoils. The time-accurate 2D investigation has also been performed with the unsteady VIS 15 code for studying the effect of several of these control devices on the suppression or damping of buffet. The 3D-unsteady code VIS25, developed at ONERA as an extension of the 2D VIS 15 code, has finally been used to study sweep effects on the flow with and without bump in the case of the ADIF sheared wing.
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