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TsAGI Science Journal

ISSN Druckformat: 1948-2590
ISSN Online: 1948-2604

TsAGI Science Journal

DOI: 10.1615/TsAGISciJ.2013007352
pages 787-812

STABILITY IMPROVEMENT OF GODUNOV-KOLGAN-RODIONOV TVD SCHEME BY A LOCAL IMPLICIT SMOOTHER

Egor Vyacheslavovich Kazhan
Central Aerohydrodynamic Institute (TsAGI), 1 Zhukovsky St., Zhukovsky, Moscow Region, 140180 Russia

ABSTRAKT

The possibility of accelerating the stationary numerical solution of viscid flow around aircraft by an explicit Godunov−Kolgan−Rodionov scheme through a local implicit smoother is considered. The smoother is introduced only in the hardest (from the viewpoint of explicit scheme stability) regions; e.g., in the deep of boundary layer where the spatial size of the grid cells is the smallest.


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