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Erschienen in:
2006 | OriginalPaper | Buchkapitel
Numerical simulation of aerodynamic problems with a Reynolds stress turbulence model
verfasst von : Bernhard Eisfeld
Erschienen in: New Results in Numerical and Experimental Fluid Mechanics V
Verlag: Springer Berlin Heidelberg
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The Speziale-Sarkar-Gatski (SSG) Reynolds stress model is implemented into DLR’s Navier-Stokes solver FLOWer blended with the Wilcox stress-ω model in the near wall region. The length scale is supplied by Menter’s ω-equation. Results for 2D flows are presented for the transonic flow around the RAE 2822 airfoil, Cases 9 and 10, and the Aérospatiale A airfoil at β = 13.3°. Results for 3D flows are shown for the transonic flow around the ONERA M6 wing and the DLR-ALVAST wing-body configuration. Improvements are achieved with respect to predictions with the Wilcox κ-ω model concerning shock positions, trailing edge separation and the pressure distribution near the wing tip due to an improved resolution of the wing tip vortex.