Geodesic
OpenMP + MPI parallel implementation of a numerical method for solving a kinetic equation
Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki, Tome 56 (2016) no. 11, pp. 1949-1959

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A two-level OpenMP + MPI parallel implementation is used to numerically solve a model kinetic equation for problems with complex three-dimensional geometry. The scalability and robustness of the method are demonstrated by computing the classical gas flow through a circular pipe of finite length and the flow past a reentry vehicle model. It is shown that the two-level model significantly speeds up the computations and improves the scalability of the method. 
@article{ZVMMF_2016_56_11_a7,
     author = {V. A. Titarev and S. V. Utyuzhnikov and A. V. Chikitkin},
     title = {OpenMP + {MPI} parallel implementation of a numerical method for solving a kinetic equation},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1949--1959},
     publisher = {mathdoc},
     volume = {56},
     number = {11},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2016_56_11_a7/}
}
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V. A. Titarev; S. V. Utyuzhnikov; A. V. Chikitkin. OpenMP + MPI parallel implementation of a numerical method for solving a kinetic equation. Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki, Tome 56 (2016) no. 11, pp. 1949-1959. http://geodesic.mathdoc.fr/item/ZVMMF_2016_56_11_a7/