Numerical study of transitional separated-reattached flow over surface-mounted obstacles using large-eddy simulation

International Journal for Numerical Methods in Fluids

Volumn 54, Issue 2, 2007, Pages 175-206

  Abdalla, Ibrahim E ^a   Cook, Malcolm J ^a   Yang, Zhiyin ^b  

^a DE MONTFORT UNIVERSITY   (United Kingdom)

^b LOUGHBOROUGH UNIVERSITY   (United Kingdom)

Author keywords

Coherent structures; Large eddy simulation; Shedding; Transition to turbulence; Wavelet

Indexed keywords

DIRECT NUMERICAL SIMULATION; FLOW FIELDS; FLOW SEPARATION; FOURIER TRANSFORMS; LARGE EDDY SIMULATION; MATHEMATICAL MODELS; REYNOLDS NUMBER; SHEAR FLOW; TURBULENCE; VORTEX SHEDDING; WAVELET TRANSFORMS;

KELVIN-HELMHOLTZ INSTABILITY; SEPARATED-REATTACHED FLOW; SHEAR LAYER;

BOUNDARY LAYER FLOW;

BOUNDARY LAYER FLOW; DIRECT NUMERICAL SIMULATION; FLOW FIELDS; FLOW SEPARATION; FOURIER TRANSFORMS; LARGE EDDY SIMULATION; MATHEMATICAL MODELS; REYNOLDS NUMBER; SHEAR FLOW; TURBULENCE; VORTEX SHEDDING; WAVELET TRANSFORMS;

EID: 34247637280     PISSN: 02712091     EISSN: 10970363     Source Type: Journal    
DOI: 10.1002/fld.1396     Document Type: Article

References (41)

1. Bergeles G, Athanassiadis N. The flow pass a surface mounted obstacle. Journal of Fluid Engineering (ASME) 1983; 105:461-463.
2. Castro IP. Relaxing wakes behind surface-mounted obstacles in rough wall boundary layers. Journal of Fluid Mechanics 1979; 93:631-659.
3. Durst F, Rastogi AK. Turbulent flow over two-dimensional fences. In Turbulence Shear Flows, vol. 2. Springer: Berlin, 1980; 218-231.
4. Dimaczek G, Kessler R, Martinuzzi R, Tropea C. The flow over two-dimensional surface-mounted obstacles at high Reynolds numbers. Turbulence Shear Flow VII. 1989; 1(A90-35176 15-34):10.1.1-10.1.6.
5. Tropea CD, Gackstatter R. The flow over two-dimensional surface-mounted obstacles at low Reynolds number. Journal of Fluids Engineering 1984; 107:489-494.
6. Yang KS, Ferziger JH. Large eddy simulation of turbulent obstacle flow. Using a dynamic subgrid-scale model. AIAA Journal 1993; 31:1406-1413.
7. Orellano A, Wengle H. Numerical simulation (DNS and LES) of manipulated turbulent boundary layer flow over a surface-mounted fence. European Journal of Mechanics B-Fluids 2000; 19:765-788.
8. Larsen PS. Database on tc-2C and tc-2D fence-on-wall and obstacle-on-wall test case. Report AFM-ETMA 95-01, Denmark, TU, 1995. (ISSN 0590-8809).
9. Lee S, Bienkiewicz B. Large-eddy simulation of wind effects on bluff bodies using the finite element method. Journal of Wind Engineering and Industrial Aerodynamics 1997; 67-68:601-609.
10. Werner H, Wengle H. Large-eddy simulation of the flow over a square rib in a channel. Proceedings of Seventh Symposium on Turbulent Shear Flows, Stanford University, 1989; 10.2.1-6.
11. Kiya M, Sasaki K. Structure of a turbulent separation bubble. Journal of Fluid Mechanics 1983; 137:83-113.
12. Cherry NJ, Hillier R, Latour MEP. The unsteady structure of two-dimensional separated and reattaching flows. Journal of Wind Engineering and Industrial Aerodynamics 1983; 11:95-105.
13. Tafti DK, Vanka SP. Numerical study of flow separation and reattachment on a blunt plate. Physics of Fluids A 1991; 3(12):2887-2909.
14. Abdalla IE, Yang Z. Numerical study of a separated - reattached flow on a blunt plate. AIAA Journal 2005; 43:2465-2474.
15. Castro IP, Haque A. The structure of a turbulent shear layer bounding a separation region. Journal of Fluid Mechanics 1987; 179:439-468.
16. Laura MH, Ahmed MN. Wall-pressure-array measurements beneath a separating/reattaching flow region. 40th Aerospace Sciences Meeting and Exhibit, Reno, NV, 2002; 14-17.
17. Ruderich R, Fernhholz HH. An experimental investigation of a turbulent shear flow with separation, reverse flow and reattachment. Journal of Fluid Mechanics 1996; 163:293-322.
18. Eaton JK, Johnston JP. Low frequency unsteadiness of a reattaching turbulent shear layer. In Turbulence Shear Flows, Bradbury LJS, Durst F, Launder BE, Schmidt FW, Whitelaw JH (eds), vol. 3. Springer: Berlin, 1982; 162-170.
19. Lee I, Sung HJ. Characteristics of wall pressure fluctuations in separated and reattaching flow over a backward-facing step. Experiments in Fluids, vol. 30. Springer: Berlin, 2001; 262-272.
20. Castro IP. The stability of laminar symmetric separated wakes. Journal of Fluid Mechanics 2005; 532:389-411.
21. Alam M, Sandham ND. Direct numerical simulation of 'short' laminar separation bubbles with turbulent reattachment. Journal of Fluid Mechanics 2000; 410:1-28.
22. Germano M, Piomelli U, Moin P, Cabot WH. A dynamic sub-grid scale eddy viscosity model. Physics of Fluids 1991; A3(7):1760-1765.
23. Lilly DK. A proposed modification of the Germano subgrid-scale closure method. American Institute of Physics. Physics of Fluids A 1992; 4:633-635.
24. Smagorinsky J. General circulation experiments with the primitive equations. Monthly Weather Review 1963; 91:99-164.
25. Ferziger J, Peric M. Computational Methods for Fluid Dynamics (2nd edn). Springer: Berlin, Heidelberg, 1998.
26. Harlow FH, Welch JE. Numerical calculations of time dependent viscous incompressible flow of fluid with a free surface. Physics of Fluids 1965; 8(12):2182-2189.
27. Abdalla IE. Numerical studies of separated boundary layer transition on a flat plate with a blunt leading edge. Ph.D. Thesis, Loughborough University, Loughborough, 2004.
28. Abdalla IE, Yang Z. Numerical study of the instability mechanism in transitional separating-reattaching flow on a blunt plate. International Journal of Heat and Fluid Flow 2004; 25(4):593-605.
29. Abdalla IE, Yang Z. Computational visualisation of separated-reattached transitional flow on a blunt plate. Journal of Flow Visualisation and Image Processing 2004; 11:1-28.
30. Yang Z, Abdalla IE. Effects of free-stream turbulence on large-scale coherent structures of separated boundary layer transition. International Journal for Numerical Methods in Fluids 2005; 49:331-348.
31. Yang Z, Voke PR. Large-eddy simulation of boundary-layer separation and transition at a change of surface curvature. Journal of Fluid Mechanics 2001; 439:305-333.
32. Hung Le, Parviz M, Kim J. Direct numerical simulation of turbulent flow over a backward-facing step. Journal of Fluid Mechanics 1997; 330:349-374.
33. Tillman W. Investigation of some particulars of turbulent boundary layers on plates. British Ministry of Aircraft Production 1945; MAP-VGG-34-45T.
34. Castro IP, Fackrell JE. A note on two-dimensional fence flows with emphasis on the wall constraint. Journal of Industrial Aerodynamics 1978; 3:1-20.
35. Djilali N, Gartshore IS. Turbulent flow around a bluff rectangular plate. Part I: Experimental investigation. Journal of Fluids Engineering (ASME) 1991; 113:51-59.
36. Cherry NJ, Hillier R, Latour MEP. Unsteady measurements in a separated and reattaching flow. Journal of Fluid Mechanics 1984; 144:13-46.
37. Kaiser G. A Friendly Guide to Wavelets. Birkhäuser: Cambridge, MA, 1994.
38. Daubechies C. The wavelet transform time-frequency localization and signal analysis. IEEE Transactions on Information Theory 1990; 36(5):961-1005.
39. Farge M. Wavelet transforms and their applications to turbulence. Annual Review of Fluid Mechanics 1992; 24:395-457.
40. Torrence C, Compo GP. A practical guide to wavelet analysis. Bulletin of the American Meteorological Society 1998; 61-77.
41. Dovgal AV. Non-stationarity of laminar separation bubble modified by periodic excitation. Russian Journal of Engineering Thermophysics 1999; 9(4):285-296.