Abstract
A fully coupled zonal Reynolds-averaged Navier-Stokes - large-eddy simulation method (zonal RANS-LES) is applied to subsonic flow over the HGR-01 airfoil at high angle of attack. Several zonal-boundary formulations such as forcing layers, a reformulated synthetic turbulent generation method, and a turbulent reconstruction approach are discussed. It is shown that the aerodynamic properties are satisfactorily predicted and the computational costs for a subsonic airfoil near stall compared to a pure LES are decreased by a factor of approximately four. Nevertheless, it has to be stated that the local RANS solution has a non-negligible impact on the susceptible flow phenomena such as the separation when the RANS-LES boundary is located in a non-zero pressure gradient flow regime. This RANS impact is even more pronounced when a pressure driven coupling between an LES-RANS and a RANS-LES boundary exists.
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References
Alkishriwi, N., Schröder, W., Meinke, M.: A Large-Eddy Simulation Method for Low Mach Number Flows Using Preconditioning and Multigrid. Comput. Fluids 35(10), 1126–1136 (2006)
Boris, J.P., Grinstein, F.F., Oran, E.S., Kolbe, R.L.: New insights into large eddy simulation. Fluid Dynam. Res. 10, 199–228 (1992)
Celić, A., Hirschel, E.H.: Comparison of eddy-viscosity turbulence models in flows with adverse pressure gradient. AIAA J. 44(10), 2153–2169 (2006)
El-Askary, W., Schröder, W., Meinke, M.: LES of compressible wall-bounded flows. AIAA Paper (2003–3554) (2003)
Fröhlich, J., von Terzi, D.: Hybrid LES/RANS methods for the simulation of turbulent flows. Prog. Aerosp. Sci. 44, 349–377 (2008)
Geurts, K.J., Meinke, M., Schröder, W.: A fully coupled zonal rans-les method for high angle of attack flow. AIAA-2012-3023 (2012)
König, D., Meinke, M., Schröder, W.: Embedded LES/RANS boundary in zonal simulations. J. Turbul. 11(7), 1–25 (2010)
Liou, M.S., Steffen Jr., C.J.: A New Flux Splitting Scheme. J. Comp. Phys. 107, 23–39 (1993)
Meinke, M., Schröder, W., Krause, E., Rister, T.: A comparison of second- and sixth-order methods for large-eddy simulations. Comput. Fluids 31, 695–718 (2002)
Roidl, B., Meinke, M., Schröder, W.: Zonal RANS-LES computation of transonic airfoil flow. In: 29th AIAA Applied Aerodynamics Conference on AIAA Paper 2011–3974, pp. 27–30, Honolulu, Hawaii, June 2011
Roidl, B., Meinke, M., Schröder, W.: A reformulated synthetic turbulence generation method for a zonal RANS-LES method and its application to zero-pressure gradient boundary layers. Int. J. Heat Fluid Flow 44, 28–40 (2013)
Roidl, B., Meinke, M., Schröder, W.: Boundary layers affected by different pressure gradients investigated computationally by a zonal rans-les method. Int. J. Heat Fluid Flow 45, 1–13 (2014)
Spalart, P.R., Allmaras, S.R.: A One-Equation turbulence model for aerodynamic flows. In: 30th Aerospace Sciences Meeting & Exhibit on AIAA-Paper 92–0439, January 6–9, Reno (1992)
Spalart, P.R., Jou, W.H., Strelets, M., Allmaras, S.R.: Comments on the feasibility of les for wings, and on a hybrid RANS/LES approach. In: Advances on DNS/LES, pp. 137–147. Greyden Press, Columbus (1997)
Wilcox, D.C.: Turbulence Modeling for CFD. DCW Industries (1998)
Wokoeck, R., Krimmelbein, N., Ortmans, J., Ciobaca, V., Radespiel, R., Krumbein, A.: RANS Simulations and Experiments on the Stall Behaviour of an Airfoil with Laminar Separation Bubbles. AIAA-2006-0244 (2006)
Zhang, Q., Schröder, W., Meinke, M.: A zonal RANS/LES method to determine the flow over a high-lift configuration. Comput. Fluids 39, 1241–1253 (2010)
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Roidl, B., Geurts, K.J., Schröder, W. (2016). Zonal RANS-LES Computation for Near-Stall-Airfoil Flow. In: Radespiel, R., Niehuis, R., Kroll, N., Behrends, K. (eds) Advances in Simulation of Wing and Nacelle Stall. FOR 1066 2014. Notes on Numerical Fluid Mechanics and Multidisciplinary Design, vol 131. Springer, Cham. https://doi.org/10.1007/978-3-319-21127-5_9
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DOI: https://doi.org/10.1007/978-3-319-21127-5_9
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