Flow structures around a high-speed train extracted using Proper Orthogonal Decomposition and Dynamic Mode Decomposition

Computers and Fluids

Volumn 57, Issue , 2012, Pages 87-97

  Muld, Tomas W ^a,b   Efraimsson, Gunilla ^a,b   Henningson, Dan S ^a,b  

^a Marcus Wallenberg Laboratory of Sound and Vibration Research   (Sweden)

^b ROYAL INSTITUTE OF TECHNOLOGY   (Sweden)

Author keywords

Aerodynamic Train Model; Detached Eddy Simulation; Dynamic Mode Decomposition; Proper Orthogonal Decomposition; Slipstream; Train aerodynamics

Indexed keywords

DETACHED EDDY SIMULATIONS; DYNAMIC MODE DECOMPOSITION; PROPER ORTHOGONAL DECOMPOSITIONS; SLIPSTREAM; TRAIN AERODYNAMICS; TRAIN MODEL;

AERODYNAMICS; COMPUTER SIMULATION; FLOW FIELDS; FLOW SEPARATION; FLOW STRUCTURE; RAILROAD CARS; RAILROADS; TRANSIENTS; TURBULENCE MODELS;

PRINCIPAL COMPONENT ANALYSIS;

EID: 84857034877     PISSN: 00457930     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.compfluid.2011.12.012     Document Type: Article

References (20)

1. Barrot J. Commission decision of 21 february 2008 concerning a technical specification for interoperability relating to the rolling stock sub-system of the trans-European high-speed rail system. Off J Eur Union 2008, L84(51).
2. Sterling M., Baker C.J., Jordan S.C., Johnson T. A study of the slipstreams of high-speed passenger trains and freight trains. Proc Inst Mech Eng Part F: J Rail Rapid Transit 2008, 222:177-193.
3. Hemida H., Gil N., Baker C. LES of the slipstream of a rotating train. J Fluids Eng 2010, 132.
4. Spalart P.R. Detached-eddy simulation. Ann Rev Fluid Mech 2009, 41:181-202.
5. Diedrichs B. Unsteady aerodynamic crosswind stability of a high-speed train subjected to gusts of various rates. In: Proceedings Euromech colloquium 509: vehicle aerodynamics; 2009. p. 39-50.
6. Sagaut P, Deck S, Terracol M. Multiscale and multisolution approaches in turbulence. Singapore: Imperial College Press; 2006. ISBN:1-86094-650-X.
7. Muld TW, Efraimsson G, Henningson DS Mode decomposition on surface mounted cube. Flow Turbul Combust, submitted for publication. doi:10.1007/s10494-011-9355-y.
8. Lumley JL. The structure of inhomogeneous turbulent flows. In: Yaglom AM, Tatarsky VI, editors. Atmospheric turbulence and radio wave propagation; 1967. p. 166-78.
9. Cazemier W., Verstappen R.W.C.P., Veldman A.E.P. Proper orthogonal decomposition and low-dimensional models for driven cavity flows. Phys Fluids 1998, 10(7).
10. Manhart M., Wengle H. A spatiotemporal decomposition of a fully inhomogeneous turbulent flow field. Theor Comput Fluid Dynam 1993, 5:223-242.
11. Mezić I. Spectral properties of dynamical systems, model reduction and decompositions. Nonlin Dynam 2005, 41:309-325.
12. Rowley C.W., Mezić I., Bagheri S., Schlatter P., Henningson D.S. Spectral analysis of nonlinear flows. J Fluid Mech 2009, 641:115-127.
13. Schmid P.J. Dynamic mode decomposition of numerical and experimental data. J Fluid Mech 2010, 656:5-28.
14. Muld TW, Efraimsson G, Henningson DS, Herbst AH, Orellano A. Analysis of flow structures in the wake of a high-speed train. In: Proceedings aerodynamics of heavy vehicles III, buses, trucks and trains; 2010.
15. Travin A., Shur M., Strelets M., Spalart P.R. Detached-eddy simulations past a circular cylinder. Flow Turbul Combust 1999, 63:293-313.
16. Issa R.I. Solution of the implicitly discretised fluid flow equations by operator-splitting. J Comput Phys 1985, 62:40-65.
17. Casey M, Wintergerste T, editors. ERCOFTAC special interest group on quality and trust in industrial CFD best practice guidelines. ERCOTFTAC; 2000.
18. Spalart PR, Jou W-H, Strelets M, Allmaras SR. Comments on the feasibility of LES for wings, and on a hybrid RANS/LES approach. In: First AFOSR international conference on DNS/LES; 1997.
19. Spalart P.R., Deck S., Shur M.L., Squires K.D., Strelets M.Kh., Travin A. A new version of detached-eddy simulation, resistant to ambiguous grid densities. Theor Comput Fluid Dynam 2006, 20:181-195.
20. Ruhe A. Rational Krylov sequence methods for eigenvalue computations. Linear Algebra Appl 1984, 58:391-405.