A Flexible High-Performance Lattice Boltzmann GPU Code for the Simulations of Fluid Flows in Complex Geometries

Bernaschi, Massimo; Fatica, Massimiliano; Melchionna, Simone; Succi, Sauro; Kaxiras, Efthimios

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Author

Bernaschi, Massimo

Fatica, Massimiliano

Melchionna, Simone

Succi, Sauro HARVARD

Kaxiras, Efthimios HARVARD

Published Version

https://doi.org/10.1002/cpe.1466

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Citation

Bernaschi, Massimo, Massimiliano Fatica, Simone Melchionna, Sauro Succi, and Efthimios Kaxiras. 2010. A Flexible High-Performance Lattice Boltzmann GPU Code for the Simulations of Fluid Flows in Complex Geometries. Concurrency and Computation: Practice and Experience 22, no. 1: 1–14.

Abstract

We describe the porting of the Lattice Boltzmann component of MUPHY, a multi-physics/scale simulation software, to multiple graphics processing units using the Compute Unified Device Architecture. The novelty of this work is the development of ad hoc techniques for optimizing the indirect addressing that MUPHY uses for efficient simulations of irregular domains.