Journal
COMPUTER PHYSICS COMMUNICATIONS
Volume 178, Issue 12, Pages 894-914Publisher
ELSEVIER
DOI: 10.1016/j.cpc.2008.02.013
Keywords
lattice-Boltzmann; computer simulations; parallel computing; fluid dynamics; complex systems
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We describe a parallel lattice-Boltzmann code for efficient simulation of fluid flow in complex geometries. The lattice-Boltzmann model and the structure of the code are discussed. The fluid solver is highly optimized and the resulting computational core is very fast. Furthermore, communication is minimized and the novel topology-aware domain decomposition technique is shown to be very effective for large systems, allowing us to tune code execution in geographically distributed cross-site simulations. The benchmarks presented indicate that very high performance can be achieved. (C) 2008 Elsevier B.V. All rights reserved.
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