Performance of parallel-in-time integration for Rayleigh Bénard convection
Performance of parallel-in-time integration for Rayleigh Bénard convection
复制标题
瑞利贝纳德对流的时间并行积分性能
DOI:
10.1007/s00791-020-00332-3
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发表时间:
2020
影响因子:
--
通讯作者:
Clarke A
中科院分区:
文献类型:
--
作者:
Clarke A
Rayleigh–Bénard convection (RBC) is a fundamental problem of fluid dynamics, with many applications to geophysical, astrophysical, and industrial flows. Understanding RBC at parameter regimes of interest requires complex physical or numerical experiments. Numerical simulations require large amounts of computational resources; in order to more efficiently use the large numbers of processors now available in large high performance computing clusters, novel parallelisation strategies are required. To this end, we investigate the performance of the parallel-in-time algorithm Parareal when used in numerical simulations of RBC. We present the first parallel-in-time speedups for RBC simulations at finite Prandtl number. We also investigate the problem of convergence of Parareal with respect to statistical numerical quantities, such as the Nusselt number, and discuss the importance of reliable online stopping criteria in these cases.
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影响因子:
6.3
作者:
D. Samaddar;David Coster;X. Bonnin;C. Bergmeister;E. Havlícková;L. Berry;W. Elwasif;D. Batchelor
通讯作者:
D. Batchelor
DOI:
10.1016/j.jcp.2012.05.016
发表时间:
2012
期刊:
J. Comput. Phys.
影响因子:
--
作者:
L. Berry;W. Elwasif;J. Reynolds;D. Samaddar;R. Sánchez;D. Newman
通讯作者:
D. Newman
影响因子:
4.9
作者:
Cattaneo, F;Emonet, T;Weiss, N
通讯作者:
Weiss, N
DOI:
10.1007/978-3-319-10705-9__19
发表时间:
2013-11
期刊:
Numerical Heat Transfer, Part B: Fundamentals
影响因子:
--
作者:
Johannes Steiner;D. Ruprecht;R. Speck;R. Krause
通讯作者:
Johannes Steiner;D. Ruprecht;R. Speck;R. Krause
影响因子:
2.7
作者:
Schumacher, Joerg;Bandaru, Vinodh;Scheel, Janet D.
通讯作者:
Scheel, Janet D.