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Accurate and Efficient Flow Solvers for 3D Applications on Structured Meshes

Kroll, N. (1994) Accurate and Efficient Flow Solvers for 3D Applications on Structured Meshes. In: Computational Fluid Dynamics, March 21-25, 1994.

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Abstract

The present lecture describes well established techniques used for numerical simulations of complex aerodynamic flows. The paper is restricted to problems with steady mean flow, that is, steady-state solutions of the Euler equations governing and of the Reynolds/averaged Navier-Stokes equations. Attention is focused on the two major parts of the numerical algorithms. These are the spatial discretization and time stepping algorithms. Spatial discretization of the governing equations are outlined which perform accurate solutions with as few as possible discrete points in the flow domain. Care must be taken to resolve all relevant flow phenomena, i.e. smoothly varying regions of inviscid flows. Flow discontinuities as shocks and slip lines, and viscous layers which are governd by diffusion. Moreover, numerical analysis and well-known experience show that the choice of the spatial discretization also influences the convergence of the overall method to the desired steady-state.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=1994, pages=130,
Title:Accurate and Efficient Flow Solvers for 3D Applications on Structured Meshes
Authors:
AuthorsInstitution or Email of Authors
Kroll, N.UNSPECIFIED
Date:1994
Journal or Publication Title:Computational Fluid Dynamics, March 21-25, 1994
Status:Published
Keywords:Euler/Navier-Stokes equations, structured grids, upwind discretization, explicit schemes, multigrid, 3D applications
HGF - Research field:UNSPECIFIED
HGF - Program:Aeronautics
HGF - Program Themes:other
DLR - Research area:UNSPECIFIED
DLR - Program:L TG - Querschnittstechnologien
DLR - Research theme (Project):L - Systems & Cabin
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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