MULTISCALE LATTICE BOLTZMANN SCHEMES: A PRELIMINARY APPLICATION TO AXIAL TURBOMACHINE FLOW SIMULATIONS

F. Mazzocco, C. Arrighetti (), G. Bella (), L. Spagnoli and S. Succi ()
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F. Mazzocco: Dipartimento di Meccanica e Aeronautica, Universita' di Roma "La Sapienza", Via Eudossiana 18, I-00184 Rome, Italy
C. Arrighetti: Dipartimento di Meccanica e Aeronautica, Universita' di Roma "La Sapienza", Via Eudossiana 18, I-00184 Rome, Italy
G. Bella: Dipartimento di Ingegneria Meccanica, Universita' di Roma "Tor Vergata", Via Tor Vergata 110, I-00133 Rome, Italy
L. Spagnoli: Dipartimento di Ingegneria Meccanica, Universita' di Roma "Tor Vergata", Via Tor Vergata 110, I-00133 Rome, Italy
S. Succi: Istituto Applicazioni Calcolo "M. Picone", Viale Policlinico 137, I-00161 Rome, Italy

International Journal of Modern Physics C (IJMPC), 2000, vol. 11, issue 02, 233-245

Abstract: Multiscale Lattice Boltzmann schemes for fluid dynamic applications are described and their efficiency is discussed in terms of accuracy and computational cost. A novel application to axial compressor flows is proposed. Conditions on periodic boundaries have been appropriately developed. Our preliminary results indicate that these schemes hold good potential for the simulation of fluid flows in turbomachines.

Keywords: Lattice Boltzmann; Grid-refinement; Turbomachines (search for similar items in EconPapers)
Date: 2000
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DOI: 10.1142/S0129183100000225

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