Journal
EUROPEAN PHYSICAL JOURNAL-SPECIAL TOPICS
Volume 171, Issue -, Pages 167-171Publisher
SPRINGER HEIDELBERG
DOI: 10.1140/epjst/e2009-01025-7
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Large scale (1600(3)-grid) entropic lattice Boltzmann (ELB) simulations are performed on the 27-bit model at sufficiently high Reynolds numbers to find intermittency corrections to the Kolmogorov k(-5/3) inertial spectrum. Even though the transport coefficients in ELB and in the Large Eddy Simulation (LES) lattice Boltzmann schemes have very different origins, there are strong similarities in their turbulence statistics from 512(3)-grid simulations. A new LB moment-space boundary condition algorithm is tested on the 2D backstep problem, with excellent agreement with experimental data even up to a Reynolds number of 800.
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