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SPECIAL SECTION ON RANS/LES/DES/DNS: THE FUTURE PROSPECTS OF TURBULENCE MODELING

Numerical Investigations of Turbulent Inflow Condition Generation for LES

[+] Author and Article Information
Ph. Druault

 Laboratoire de Mécanique Physique—Université Pierre et Marie Curie, FRE CNRS 2867—78210 Saint Cyr l’Ecole, France

J. F. Largeau, F. Coiffet, J. Delville, J. P. Bonnet

Laboratoire d’Etudes Aérodynamiques— Université de Poitiers, UMR CNRS 6609—86962 Futuroscope Chasseneuil, France

S. Lardeau

Department of Aeronautics,  Imperial College, Prince Consort, South Kensington, London SW7 2BY, United Kingdom

J. Fluids Eng 127(5), 945-948 (Jul 07, 2005) (4 pages) doi:10.1115/1.2012499 History: Received July 22, 2004; Revised July 07, 2005

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Copyright © 2005 by American Society of Mechanical Engineers
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Figures

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Figure 5

Top: Downstream development of the mean flow field error; Bottom: Downstream development of the turbulent kinetic error (line) and the shear stress error (dotted line)

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Figure 4

Streamwise evolution of the vorticity thickness for the reference simulation (line) and for the simulation using the reconstructed data at an inflow condition (dotted line)

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Figure 3

Vorticity modulus isosurface in the (Oxy) plane: Reference DNS (top) truncated DNS (bottom)

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Figure 2

Comparative analysis of the exact (original) streamwise Reynolds stress and the one calculated from the reconstructed velocity field (dotted line)

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Figure 1

Top to bottom: Reference streamwise velocity component superimposed on POD reconstructed one at the mixing layer center. Log-log representation of the spanwise wave number spectra at the center of the mixing layer. Temporal spectra at a position located between two consecutive reference spanwise points.

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