Journal
EPL
Volume 90, Issue 5, Pages -Publisher
EPL ASSOCIATION, EUROPEAN PHYSICAL SOCIETY
DOI: 10.1209/0295-5075/90/54003
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Funding
- Science Foundation of LCP
- Science Foundation of CAEP [2009A0102005, 2009B0101012]
- National Natural Science Foundation of China [10775018, 10702010]
- National Basic Research Program of China [2007CB815105]
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A new multiple-relaxation-time lattice Boltzmann scheme for compressible flows with arbitrary specific-heat ratio and Prandtl number is presented. In the new scheme, which is based on a two-dimensional 16-discrete-velocity model, the kinetic moment space and the corresponding transformation matrix are constructed according to the seven-moment relations associated with the local-equilibrium distribution function. In the continuum limit, the model recovers the compressible Navier-Stokes equations with flexible specific-heat ratio and Prandtl number. Numerical experiments show that compressible flows with strong shocks can be simulated by the present model up to Mach numbers M alpha similar to 5. Copyright (C) EPLA, 2010
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