Rossow, C.-C. (1994) Efficient Cell-Vertex Upwind Scheme for the Two-Dimensional Equations. AIAA Journal, 32, pp. 278-284. AIAA, USA.
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The accuracy and efficiency of a cell-vertex upwind scheme are in- vestigated. Upwinding is acheived by an unequal distribution of the transformed flux balances to the vertices of a computational cell. The equations are rotated with respect to the local velocity vector to determine the upwinding directions. Fourth differences back- ground dissipation is added to ensure convergence, and time integra- tion is performed using a five-stage Runge-Kutta scheme. The back- ground dissipation is scaled by the appropriate eigenvalues, and convergence toward steady state is accelerated by employing upwind implicit residual smoothing and multigrid. The scheme is second order accurate in space at steady state, and it yields very accurate re- sults on significantly coarse meshes. Thus its efficiency is com- petitative with that of central-differencing schemes using multigrid acceleration.
|Title:||Efficient Cell-Vertex Upwind Scheme for the Two-Dimensional Equations|
|Journal or Publication Title:||AIAA Journal|
|In ISI Web of Science:||Yes|
|Page Range:||pp. 278-284|
|Keywords:||Cell vertex upwind scheme, Flux Balance Splitting, implicit upwind smoothing, multigrid acceleration, investigation of efficiency and accuracy|
|HGF - Research field:||UNSPECIFIED|
|HGF - Program:||Aeronautics|
|HGF - Program Themes:||other|
|DLR - Research area:||UNSPECIFIED|
|DLR - Program:||L ST - Starrflüglertechnologien|
|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 10:05|
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