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Портал Begell Электронная Бибилиотека e-Книги Журналы Справочники и Сборники статей Коллекции
TsAGI Science Journal

ISSN Печать: 1948-2590
ISSN Онлайн: 1948-2604

TsAGI Science Journal

DOI: 10.1615/TsAGISciJ.v41.i2.100
pages 217-225

THE PROBLEMS OF MODERN SUPERCOMPUTER APPLICATIONS IN HYDRODYNAMIC AND AEROACOUSTIC NUMERICAL SIMULATIONS

Andrey Gorobets
Heat and Mass Transfer Technological Center, Technical University of Catalonia ETSEIAT, C/Colom 11, 08222 Terrassa, Spain; Keldysh Institute of Applied Mathematics, 4A, Miusskaya Sq., Moscow 125047, Russia
S. A. Sukov
Keldysh Institute of Applied Mathematics ofRAS, 4A, Miusskaya Sq., Moscow, 125047
F. Xavier Trias
Heat and Mass Transfer Technological Center (CTTC) Universitat Politecnica de Catalunya - BarcelonaTech (UPC) Colom 11, 08222 Terrassa, Barcelona, Spain; and Institute of Mathematics and Computing Science, University of Groningen, The Netherland

Краткое описание

Considered in this article are various aspects associated with the implementation of large-scale supercomputer calculations of hydrodynamic and aeroacoustic problems; the problems of computational optimization are considered. Given are the means of achievement of high parallel efficiency for a large number of processors (up to several thousand). The implementation features of architecturally adapted hybrid paralleling, the optimization of memory access, and parallel processing of computational data and large grids are described. Given here are examples of direct numerical simulation applications for the simulation of both compressible and incompressible turbulent flows with the use of high-accuracy numerical algorithms on structured and unstructured grids.


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