Parallel simulation of three-dimensional complex flows: Application to two-phase compressible flows and turbulent wakes |
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| Affiliation: | 1. CESAM, Departamento de Física, Universidade de Aveiro, Campus de Santiago, 3810-193 Aveiro, Portugal;2. MARETEC, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal;3. Hidromod, Rua Rui Teles Palhinha, nº 4, 1°, 2740-278 Porto Salvo, Portugal;1. Graduate School, China Academy of Engineering Physics, Beijing 100088, China;2. Institute of Applied Physics and Computational Mathematics, Beijing 100088, China;3. Division of Applied Mathematics, Brown University, Providence, RI 02912, USA;1. Moscow Institute of Physics & Technology, Dolgoprudny 141700, Russia;2. School of Mechanical, Aerospace & Civil Engineering, the University of Manchester, Manchester, M13 9PL, U.K.;3. Skolkovo Institute of Science and Technology, Nobel St., 3, Moscow, 143025, Russia;4. Federal Research Center “Computer Science and Control” of RAS, Moscow, Russia |
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| Abstract: | In this paper, we present parallel simulations of three-dimensional complex flows obtained on an ORIGIN 3800 computer and on homogeneous and heterogeneous (processors of different speeds and RAM) computational grids. The solver under consideration, which is representative of modern numerics used in industrial computational fluid dynamics (CFD) software, is based on a mixed element-volume method on unstructured tedrahedrisations. The parallelisation strategy combines mesh partitioning techniques, a message-passing programming model and an additive Schwarz algorithm. The parallelisation performances are analysed on a two-phase compressible flow and a turbulent flow past a square cylinder. |
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