Efficient Computation of Transonic Viscous Flows with a Multigrid Scheme.
Radespiel, R. and Rossow, C.-C. (1990) Efficient Computation of Transonic Viscous Flows with a Multigrid Scheme. German-Brazilian Workshop on CFD in Aerodynamics, DLR, 7-8 March 1990, Goettingen..
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A cell-vertex scheme for the three-dimensional Navier-Stokes equations, based on central-difference approximations and Runge-Kutta time stepping, is described. Using local time stepping, implicit residual smoothing with locally varying coefficients, a multigrid method and carefully controlled dissipative terms, very good convergence rates are obtained for two- and three-dimensional flows. Details of the acceleration techniques which are important for convergence on meshes with aspect-ratio cells, are discussed. Emphasis is put on the analysis of the implicit smoothing of the explicit residuals with coefficients which depend on cell aspect ratios.
|Document Type:||Conference or Workshop Item (Speech)|
|Additional Information:||LIDO-Berichtsjahr=1990, note=LSEG/200,|
|Title:||Efficient Computation of Transonic Viscous Flows with a Multigrid Scheme.|
|Keywords:||Navier-Stokes Equations, Transonic Flow, Turbulence Model, Cell-Vertex Scheme, Multigrid Scheme|
|Event Title:||German-Brazilian Workshop on CFD in Aerodynamics, DLR, 7-8 March 1990, Goettingen.|
|HGF - Research field:||UNSPECIFIED|
|HGF - Program:||no assignment|
|HGF - Program Themes:||no assignment|
|DLR - Research area:||UNSPECIFIED|
|DLR - Program:||no assignment|
|DLR - Research theme (Project):||L - Concepts & Integration|
|Location:||Köln-Porz , Braunschweig , Göttingen|
|Institutes and Institutions:||Institute of Aerodynamics and Flow Technology > Institut für Entwurfsaerodynamik|
|Deposited By:||elib DLR-Beauftragter|
|Deposited On:||03 Apr 2006|
|Last Modified:||27 Apr 2009 10:04|
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