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Comparison of Large Eddy Simulation and Experimental Results of the Flow Around a Forward-Backward Facing Step

[+] Author Affiliations
Corinne Talotte

SNCF, Paris, France

Yacine Addad, Dominique Laurence


Marc Jacob

Ecole Centrale de Lyon, France

Hélène Giardi

PSA Peugeot Citroën, France

Fabien Crouzet

Electricité de France, France

Paper No. FEDSM2002-31337, pp. 1107-1112; 6 pages
  • ASME 2002 Joint U.S.-European Fluids Engineering Division Conference
  • Volume 1: Fora, Parts A and B
  • Montreal, Quebec, Canada, July 14–18, 2002
  • Conference Sponsors: Fluids Engineering Division
  • ISBN: 0-7918-3615-0 | eISBN: 0-7918-3600-2
  • Copyright © 2002 by ASME


SNCF (Société Nationale des Chemins de Fer français), PSA (Peugeot Citroën), EDF (Electricité de France) and ECL (Ecole Centrale de Lyon) are involved in a common project whose issue is the potential evaluation of numerical simulation in aeroacoustics for transport applications. One of the methods chosen in the project consists in the calculation of the aeroacoustic source term through a Large Eddy Simulation (LES) and its implementation into a code based on the Linearized Euler’s Equations for the acoustic propagation (LEE). This paper presents a comparison of LES and experimental results of the aerodynamic field around a forward-backward facing step and the principle of the chain-up of LES results and LEE calculations.

Copyright © 2002 by ASME



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