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Solution of the Euler- and Navier-Stokes Equations on Hybrid Grids.

Galle, M. (1995) Solution of the Euler- and Navier-Stokes Equations on Hybrid Grids. In: Proc. 77th AGARD FDP-Meeting and Conference, 2.-5.10.1995, Seville, Spain, AGARD CP-578..

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Abstract

A three-dimensional finite volume scheme is presented. The scheme is based on the employment of hybrid grids, containing tetrahedral as well as prismatic cells. The application of hybrid grids offers the possibility to combine the flexibility of tetrahedral meshes with the accuracy of regular grids. An algorithm to compute an auxiliary grid of control volumes for the entire computational domain was formulated. The dual mesh technique guarantees conservation in the entire flow field even at interfaces between prismatic and tetrahedral domains and enables the employment of an accurate upwind flow solver. Convergence to the steady state can be accelerated by a multigrid algorithm based on the agglomeration of control volumes. The formulation of such algorithm is presented. The code is tested on several viscous and inviscid cases for transonic and subsonic flows.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=1996, pages=9,
Title:Solution of the Euler- and Navier-Stokes Equations on Hybrid Grids.
Authors:
AuthorsInstitution or Email of Authors
Galle, M.UNSPECIFIED
Date:1995
Journal or Publication Title:Proc. 77th AGARD FDP-Meeting and Conference, 2.-5.10.1995, Seville, Spain, AGARD CP-578.
Status:Published
Keywords:Hybrid Scheme, Multigrid
HGF - Research field:UNSPECIFIED
HGF - Program:Aeronautics
HGF - Program Themes:other
DLR - Research area:UNSPECIFIED
DLR - Program:L SI - Versuchs- und Simulationstechniken
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 10:06

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