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DLR-TAU Code - an Overview

Schwamborn, D. and Gerhold, T. and Kessler, R. (1999) DLR-TAU Code - an Overview. 1st ONERA/DLR Aerospace Symposium, Paris, 21.-24. Juni 1999.

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Abstract

The DLR-TAU Code is a CFD software package for solving the Euler or Reynolds-averaged Navier-Stokes equations (RANS) on hybrid grids. The main components of the TAU-Code are a preprocessing module, a compressible and a incompressible solver as well as an adaptation module. In addition, some utility programs are available. The support of tetrahedral, prismatic, pyramidal and hexahedral elements enables the use of efficient and flexible modern grid generators, enabling the generation of meshes for complex geometries within days. The resolution of flow features is taken automatically into account by the adaptation module for local refinement of the hybrid grids as well as for redistributing points in structured sublayers (composed of prisms or hexahedra) in order to adapt the mesh along wall-normal rays for an improved boundary-layer resolution. The initial or the adapted hybrid grids are input into the preprocessing module, which computes dual grids in an edge-based data structure. The dual grids are stored in partitions for parallel computations, as well as the different levels obtained by agglomeration of cells for the multigrid procedure. Steady or unsteady flow solutions for incompressible or compressible flows can be computed very time efficient, due to the use of multigrid, parallelization and vectorization. The chimera technique is available for the handling of several grids in relation motion. We present some selected results, which demonstrate the functionality, the performance and the accuracy of the TAU-Code

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=1999,
Title:DLR-TAU Code - an Overview
Authors:
AuthorsInstitution or Email of Authors
Schwamborn, D.UNSPECIFIED
Gerhold, T.UNSPECIFIED
Kessler, R.UNSPECIFIED
Date:1999
Page Range:S4-2-S4-10
Status:Published
Keywords:TAU-Code, overview, hybrid method, parallel, multigrid, steady/unsteady, compressible/incompressible, chimera technique
Event Title:1st ONERA/DLR Aerospace Symposium, Paris, 21.-24. Juni 1999
Organizer:ONERA
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:other
DLR - Research area:Aeronautics
DLR - Program:L ST - Starrflüglertechnologien
DLR - Research theme (Project):UNSPECIFIED
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Institut für Strömungsmechanik
Deposited By: elib DLR-Beauftragter
Deposited On:16 Sep 2005
Last Modified:14 Jan 2010 20:36

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