Abstract：This paper presents lattice Boltzmann method (LBM) analyses of three-dimensional, particle-fluid two-phase flows based on the MPI+OpenMP mixed programming model where the cluster nodes used the MPI parallelism with further fine-grained nodes using the OpenMP parallel calculation. The algorithm is optimized according to the characteristics of particle-fluid flows. The algorithm was then used to analyze a particle deposition problem to test the acceleration capabilities of the parallel algorithm. The results show that the algorithm has good speedup and scalability and that its computational complexity is insensitive to the number of particles, which is good for large-scale two-phase flow analyses.
何强, 李永健, 黄伟峰, 李德才, 胡洋, 王玉明. 基于MPI+OpenMP混合编程模式的大规模颗粒两相流LBM并行模拟[J]. 清华大学学报（自然科学版）, 2019, 59(10): 847-853.
HE Qiang, LI Yongjian, HUANG Weifeng, LI Decai, HU Yang, WANG Yuming. Parallel simulations of large-scale particle-fluid two-phase flows with the lattice Boltzmann method based on an MPI+OpenMP mixed programming model. Journal of Tsinghua University(Science and Technology), 2019, 59(10): 847-853.
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2019, Vol. 59 
