Radespiel, R. (1994) Multigrid Schemes for Viscous Hypersonic Flows. Sixth Copper Mountain Conference on Multigrid Methods, Copper Mountain, Colorado, 4.-9. April 1993.
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Abstract
Several multigrid schemes are considered for the numerical computation of viscous hypersonic flows. For each scheme, the basic solution algorithm employs upwind spatial discretization with explicit multistage time stepping. Two-level versions of the various multigrid algorithms are applied to the two-dimensional advection equation, and Fourier analysis is used to determine their damping properties. The capabilities of the multigrid methods are assessed by solving two different hypersonic flow problems. Some new multigrid schemes based on semicoarsening strategies are shown to be quite effective in relieving the stiffness caused by the high-aspect-ratio cells required to resolve high Reynolds number flows. These schemes exhibit good convergence rates for Reynolds numbers up to 200x10.
Item URL in elib: | https://elib.dlr.de/36230/ | ||||||
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Document Type: | Conference or Workshop Item (Paper) | ||||||
Additional Information: | LIDO-Berichtsjahr=1994, pages=15, | ||||||
Title: | Multigrid Schemes for Viscous Hypersonic Flows | ||||||
Authors: |
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Date: | 1994 | ||||||
Open Access: | No | ||||||
Gold Open Access: | No | ||||||
In SCOPUS: | No | ||||||
In ISI Web of Science: | No | ||||||
Status: | Published | ||||||
Keywords: | Hypersonic flow, Navier-Stokes equations, Fourier analysis, multigrid , semicoarsening | ||||||
Event Title: | Sixth Copper Mountain Conference on Multigrid Methods, Copper Mountain, Colorado, 4.-9. April 1993 | ||||||
HGF - Research field: | UNSPECIFIED | ||||||
HGF - Program: | Space (old) | ||||||
HGF - Program Themes: | W RP - Raumtransport | ||||||
DLR - Research area: | UNSPECIFIED | ||||||
DLR - Program: | W RP - Raumtransport | ||||||
DLR - Research theme (Project): | W - Grundlagen Raumtransport - Anlagen und Messtechnik (old) | ||||||
Location: | Köln-Porz , Braunschweig , Göttingen | ||||||
Institutes and Institutions: | Institute of Aerodynamics and Flow Technology > Institut für Entwurfsaerodynamik | ||||||
Deposited By: | DLR-Beauftragter, elib | ||||||
Deposited On: | 03 Apr 2006 | ||||||
Last Modified: | 27 Apr 2009 10:05 |
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