M. N. Petrov, V. A. Titarev, S. V. Utyuzhnikov, A. V. Chikitkin, “A multithreaded OpenMP implementation of the LU-SGS method using the multilevel decomposition of the unstructured computational mesh”, Zh. Vychisl. Mat. Mat. Fiz., 2017, Volume 57, Number 11,Pages <nobr>1895

This article is cited in 15 papers

A multithreaded OpenMP implementation of the LU-SGS method using the multilevel decomposition of the unstructured computational mesh

M. N. Petrov^a, V. A. Titarev^b, S. V. Utyuzhnikov^c, A. V. Chikitkin^a

^a Moscow Institute of Physics and Technology, Dolgoprudnyi, Moscow oblast, Russia
^b Dorodnicyn Computing Center, Federal Research Center “Computer Science and Control”, Russian Academy of Sciences, Moscow, Russia
^c University of Manchester, Manchester, UK

Abstract: A new parallel version of the method LU-SGS (Lower-upper symmetric Gauss-Seidel) based on a multilevel decomposition of the unstructured computational mesh is proposed. The advantages of the proposed approach are demonstrated by computing the supersonic flow around the RAM-C geometry. The method is well scalable when a large number of threads are used on the processor Intel Xeon Phi.

Key words: hypersonic flows, computational fluid dynamics, unstructured mesh, multithreaded LU-SGS scheme, Intel Xeon Phi.

UDC: 519.634

Received: 14.11.2016

DOI: 10.7868/S0044466917110138