The Performance Analysis and Parallel Optimization of the OpenFOAM-Based Viscoelastic Solver for Heterogeneous HPC Platforms

Abstract:

The scalability and the efficiency of the OpenFOAM-based parallel viscoelastic solver are greatly restricted by MPI operations. In this work, we proposed a comprehensive strategy of the computation and communication overlap and the hybrid parallelization with MPI and OpenMP to optimize the parallel viscoelastic solver on HPC platforms. Critical simulations based upon 3D contraction benchmark flow show that the efficiency of the parallel viscoelastic solver could be considerably improved, and an extra speedup of 2.20 could be obtained with 8 threads upon 2 MPI processes.

• Periodical: Applied Mechanics and Materials (Volumes 670-671)
• Pages: 873-880
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.670-671.873
• Online since: October 2014
• Authors: Shun Zou*, Yu Fei Lin, Juan Chen, Qian Wang, Yu Cao
• Keywords: Communication Overlap, Computation Overlap, Hybrid Parallelization, Viscoelastic Fluid Flows

References

[1] R. Guénette, M. Fortin: Journal of non-newtonian fluid mechanics 60 (1995) 27–52.

[2] S. Patankar, D. Spalding: International Journal of Heat and Mass Transfer 15 (1972) 1787 – 1806.

[3] R. Issa: Journal of Computational Physics 62 (1986) 40 – 65.

[4] J. H. Ferziger, M. Peri´c, in: Computational methods for fluid dynamics, Computational methods for fluid dynamics, volume 3, Springer Berlin (1996).

DOI: 10.1007/978-3-642-97651-3_4

[5] J. R. Shewchuk: An introduction to the conjugate gradient method without the agonizing pain (1994) URL: http: /www. eletrica. ufpr. br/artuzi/te804/arquivos/cg. pdf.

[6] M. Culpo: Current bottlenecks in the scalability of OpenFOAM on massively parallel clusters, PRACE white paper to appear on http: /www. praceri. eu (2011).

[7] N. Phan-Thien, R. I. Tanner: Journal of Non-Newtonian Fluid Mechanics 2 (1977) 353–365.

[8] S. C. Omowunmi, X. -F. Yuan: Rheologica Acta 52 (2013) 337 – 354.

[9] G. Dózsa, S. Kumar, P. Balaji, D. Buntinas, D. Goodell, W. Gropp, J. Rat-terman, R. Thakur: Recent Advances in the Message Passing Interface, Springer, 2010, p.11–20.

DOI: 10.1007/978-3-642-15646-5_2

[10] Y. Liu, Hybrid parallel computation of OpenFOAM solver on multi-core cluster systems, 2011. URL: http: /www. diva-portal. org/smash/record. jsf?pid=diva2: 402999.

[11] J. G. Oldroyd: Proceedings of The Royal Society A: Mathematical, Physical and Engineering Sciences 200 (1950) 523–541.

[12] N. Phan-Thien: Journal of Rheology 22 (1978) 259.

[13] H. R. Warner: Industrial & Engineering Chemistry Fundamentals 11 (1972) 379–387.