Supersonic flow simulations by a three-dimensional multispeed thermal model of the finite difference lattice Boltzmann method

Minoru Watari and Michihisa Tsutahara

Physica A: Statistical Mechanics and its Applications, 2006, vol. 364, issue C, 129-144

Abstract: A three-dimensional multispeed thermal model of the finite difference lattice Boltzmann method (FDLBM) is proposed. In the FDLBM we can select particle velocities independently from the lattice configuration. Particle velocities of the proposed model consist of vectors pointing to the vertex from the center of a dodecahedron and icosahedron. The model stably performs simulations in a wide range, from subsonic to supersonic flows. To verify the model, simulations of Couette flow, normal shock wave and supersonic nozzle are performed. All results agree with the theoretical predictions.

Keywords: Finite difference; Lattice Boltzmann method; Three-dimensional; Couette flow; Supersonic flow; Laval nozzle; Normal shock (search for similar items in EconPapers)
Date: 2006
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:364:y:2006:i:c:p:129-144

DOI: 10.1016/j.physa.2005.06.103

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