Experimental investigations and computations of unsteady flow past a real car using a robust elliptic relaxation closure with a universal wall treatment

SAE Technical Papers

Volumn , Issue , 2007, Pages

  Basara, B ^a   Aldudak, F ^b   Jakirlic S ^b   Tropea, C ^b   Schrefl, M ^c   Mayer, J ^c   Hanjalic K ^b,d  

^a AVL LIST GMBH   (Austria)

^b DARMSTADT UNIVERSITY OF TECHNOLOGY   (Germany)

^c BMW AG

^d DELFT UNIVERSITY OF TECHNOLOGY   (Netherlands)

Author keywords

[No Author keywords available]

Indexed keywords

AERODYNAMIC DRAG; MODEL AUTOMOBILES; TURBULENT FLOW; UNSTEADY FLOW; VORTEX FLOW; VORTEX SHEDDING; WALL FLOW; WALL FUNCTION;

AERODYNAMIC COEFFICIENTS; COMPUTATIONAL APPROACH; DRAG AND LIFT COEFFICIENTS; EXPERIMENTAL INVESTIGATIONS; TRANSIENT REYNOLDS AVERAGED NAVIER STOKES; UNSTEADY FLOW PHENOMENON; VORTEX SHEDDING FREQUENCY; WALL-PRESSURE DISTRIBUTION;

NAVIER STOKES EQUATIONS;

EID: 85072411542     PISSN: 01487191     EISSN: 26883627     Source Type: Journal    
DOI: 10.4271/2007-01-0104     Document Type: Conference Paper

References (30)

1. Abdel Azim A.F., 1994, "An Experimental Study of the Aerodynamic Interference between Road Vehicles" SAE 940422.
2. AVL AST, 2004, AVL Swift/Fire Manual 8.4, AVL List GmbH, Graz.
3. Basara, B., and Tibaut, P., 2002, "Time dependent vs. steady state calculations of external aerodynamics" Proc. of the Aerodynamics of Heavy Vehicles: Trucks, Buses and Trains, Lecture Notes in Applied and Computational Mechanics, Vol. 19, pp. 107-119, Springer.
4. Basara, B., 2006 a, "An Eddy Viscosity Transport Model Based on Elliptic Relaxation Approach" AIAA J., Vol. 44, pp. 1686-1690.
5. Basara, B., Przulj, V., and Tibaut, P., 2002, "On the calculation of external aerodynamics: Industrial Benchmarks," SAE 2001-01-0701.
6. Baxendele, A.J., Graysmith, J.L., Howell, J.P., and Hayness, T., 1996, "The CFD Investigation of Flow Separation over a Simple Vehicle Model," Proc, RaeS Vehicle Aerodynamics Conference, Loughborough University, U.K.
7. Bredberg, J., and Davidson, L., 2004, "Low-Reynolds Number Turbulence Models: An Approach for Reducing Mesh Sensitivity," J. of Fluids Engineering, Vol. 126, pp. 14-21.
8. Demirdzic, I., Muzaferija, S., 1995, "Numerical Method for Coupled Fluid Flow, Heat Transfer and Stress Analysis Using Unstructured Moving Meshes with Cells of Arbitrary Topology." Comp. Methods Appl. Mech. Eng., Vol. 125, pp. 235-255.
9. Durbin, P.A., 1991, "Near-wall turbulence closure modeling without damping functions," Theoretical CFD, Vol. 3, pp. 1-13
10. Esch, T., Menter, R.F., 2003, "Heat Transfer Predictions Based on Two-Equation Turbulence Models With Advanced Wall Treatment," Turbulence, Heat and Mass Transfer, 4, 633-640.
11. Ferziger, J., Peric, M., 1997, Computational Methods for Fluid Dynamics, Springer, Berlin.
12. Gilliéron P., Noger C., 2003, "Banc Expérimental d'analyse Phénomènes Aérodynamiques Géné rés par le Dépassement de deux Véhicules Automobiles" 16éme Congrès Français de Mécanique.
13. Girimaji S.S., Abdol-Hamid, K.S., 2005, "Partially-averaged Navier Stokes Model for Turbulence: Implementation and Validation," AIAA Paper 2005-0502, 43rd AIAA Aerospace Sciences Meeting and Exhibition, Reno, Nevada
14. Hanjalic, K., Popovac, M., Hadziabdic, M., 2004, "A robust near-wall elliptic-relaxation eddy-viscosity turbulence model for" Int. J. of Heat and Fluid Flow, 25, 1047-1051.
15. Hucho W., Krüger L., Lentzen M., 2005, "Aerodynamik des Automobiles" Vieweg.
16. Hupertz, B., Blumcke, E., and Wustenberg, H., 1996, "Employment of numerical simulation in the field of external vehicle aerodynamics: A status report," VDI Berichte, 1238, p. 369.
17. Jakirlić S., Kniesner, B., Šarić S., Hanjalić K., 2006 "Merging near-wall RANS models with LES for separating and reattaching flows," ASME Joint U.S.-European Fluids Engineering Summer Meeting: Symposium on "DNS, LES and Hybrid RANS/LES Techniques" Miami, FL, USA, July, 17-20, Paper No. FEDSM2006-98039
18. Kader, B.A., 1981, "Temperature and Concentration Profiles in Fully Turbulent Boundary Layers," Int. J. Heat and Mass Transfer, Vol. 24, pp. 1541-1544.
19. Khalighi, B., Zhang, S., Koromilas, C., Balkanyi, S.R., Bernal, P., Iaccarino, G., Moin, P., 2001, "Experimental and computational study of unsteady wake flow behind a bluff body with a drag reduction device," SAE 2001-01-1042.
20. Makowsky, F.T., and Kim, S.E., 2000, "Advances in External-Aero Simulation of Ground Vehicles Using the Steady RANS Equations," SAE 2000-01-0484, Detroit, Michigan, 6-9 March.
21. Marthur, S.R., Murthy, J,Y., 1997, "A Pressure Based Method for Unstructured Meshes" Numerical Heat Transfer B, Vol. 31, pp. 195-215.
22. Meijerink, J.A., Van Der Vorst, H.A., 1981, "Guidelines for the Usage of Incomplete Decompositions in Solving Sets of Linear Equations as They Occur in Practical Problems," J. Computational Physics, Vol. 44, pp. 134-155.
23. Muzaferija, S., 1994, Adaptive Finite Volume Method for Flow Predictions Using Unstructured Meshes and Multigrid Approach, PhD Thesis, University of London.
24. Popovac, M., Hanjalic, K., 2005, "Compound Wall Treatment for RANS Computation of Complex Turbulent Flows" Third MIT Conf. On Comp. Fluid and Solid Mech., edited by Bathe K., Vol. 1, Elsevier, 802-806.
25. Przulj, V., Basara, B., 2001, "Bounded Convection Schemes for Unstructured Grids" AIAA Paper 2001-2593.
26. Speziale, C.G., Sarkar, S., Gatski, T.B., 1991, "Modeling the Pressure-Strain Correlation of Turbulence: An Invariant Dynamical Systems Approach," J. Fluid Mech., Vol. 227, pp. 245-272.
27. Sweby, P.K., 1984, "High Resolution Schemes Using Flux Limiters for Hyperbolic Conservation Laws," SIAM Journal Numer. Anal., Vol. 21, pp. 995-1011.
28. Széchényi, E., 2004, "The Overtaking Process of Vehicles" Progress in Vehicle Aerodynamics III-Unsteady Flow Effects.
29. Tsuei L., Savas Ö., 2000, "A Wind Tunnel Investigation of the Transient Aerodynamic Effects on a Four Car Platoon during Passing Manoeuvres" SAE 2000-01-0875.
30. Yamamoto, S., et al, 1996, "Aerodynamic Influence of a Passenger Vehicle on the Stability of the Other Vehicles" JSAE9730074.