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A parallel distributed CUDA implementation of a Lattice Boltzmann Method for multiphase flows with large density ratios is described in this paper. Validation runs studying the terminal velocity of a rising bubble under the effect of gravity show good agreement with the expected theoretical values. The code is benchmarked against the performance of a typical CPU implementation of the same algorithm on both AMD and Intel platforms, and a single GPU is observed to perform up to 10X faster than a quad-core CPU socket, a 40X speedup with respect to a single core. The code is shown to scale well when executed on multiple GPUs, which makes the port to CUDA valuable even when compared to parallel CPU implementations.
Published in:
Cluster Computing (CLUSTER), 2011 IEEE International Conference on
Date of Conference: 26-30 Sept. 2011
- Page(s):
- 1 - 7
- E-ISBN :
- 978-0-7695-4516-5
- Print ISBN:
- 978-1-4577-1355-2
- INSPEC Accession Number:
- 12330850
- Conference Location :
- Austin, TX
- Digital Object Identifier :
- 10.1109/CLUSTER.2011.9
- Product Type:
- Conference Publications
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