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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 107
PROCEEDINGS OF THE FOURTH INTERNATIONAL CONFERENCE ON PARALLEL, DISTRIBUTED, GRID AND CLOUD COMPUTING FOR ENGINEERING
Edited by:
Paper 32

Accelerated OpenFOAM Solvers

L. Riha, T. Brzobohaty and T. Karasek

IT4Innovations National Supercomputing Center, VŠ B-Technical University of Ostrava, Czech Republic

Full Bibliographic Reference for this paper
L. Riha, T. Brzobohaty, T. Karasek, "Accelerated OpenFOAM Solvers", in , (Editors), "Proceedings of the Fourth International Conference on Parallel, Distributed, Grid and Cloud Computing for Engineering", Civil-Comp Press, Stirlingshire, UK, Paper 32, 2015. doi:10.4203/ccp.107.32
Keywords: OpenFOAM, CFD, CUDA, GPU, Xeon-PHI, scalability.

Summary
In this paper the scalability of standard PCG and PBiCG solvers implemented in OpenFOAM (Open Source Field Operation and Manipulation C++ libraries) on many-core architectures is presented. Scalability tests are performed using various hardware and different implementations of standard PCG and PBiCG Krylov iterative methods. Speed up of various implementations of solvers for linear equations using GPU and MIC accelerators is compared in this paper. Numerical experiments of two and three dimensonal lid-driven cavity flows for several cases with various numbers of cells are used.

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