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Algorithmic Developments in TAU

Heinrich, R. and Dwight, R. and Widhalm, M. and Raichle, A. (2005) Algorithmic Developments in TAU. In: MEGAFLOW - Numerical Flow Simulation for Aircraft Design, 89, pp. 93-108. Springer Verlag. Closing Presentation DLR Project MEGAFLOW, 2002-12-10 - 2002-12-11, Braunschweig (DE). ISBN 3-540-24383-6.

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Abstract

The paper describes a selection of algorithmic developments which have been implemented in the hybrid Navier-Stokes solver TAU during the MEGAFLOW II project. The paper concentrates on algorithms that help to improve the performance, the accuracy as well as the functionality. The algorithms presented are implicit MAPS-smoothing, low Mach number preconditioning, least square reconstruction in combination with a cell centered approach, the actuator disk boundary condition and a formulation for moving coordinate systems enabling steady solutions in a rotating frame. Results are presented in comparison to earlier versions of the TAU code, highlighting the improvements with respect to performance and/or accuracy. Comparisons with experimental data and results obtained with the FLOWer code are used to validate the new functionalities.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=2005,
Title:Algorithmic Developments in TAU
Authors:
AuthorsInstitution or Email of Authors
Heinrich, R.UNSPECIFIED
Dwight, R.UNSPECIFIED
Widhalm, M.UNSPECIFIED
Raichle, A.UNSPECIFIED
Date:2005
Journal or Publication Title:MEGAFLOW - Numerical Flow Simulation for Aircraft Design
Volume:89
Page Range:pp. 93-108
Editors:
EditorsEmail
Kroll, N.UNSPECIFIED
Faßbender, J.K.UNSPECIFIED
Publisher:Springer Verlag
Series Name:Notes on Numerical Fluid Mechanics and Multidisciplinary Design (NNFM)
ISBN:3-540-24383-6
Status:Published
Keywords:MEGAFLOW, CFD
Event Title:Closing Presentation DLR Project MEGAFLOW
Event Location:Braunschweig (DE)
Event Type:Other
Event Dates:2002-12-10 - 2002-12-11
Organizer:DLR
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):L - Concepts & Integration
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology
Deposited By: Claudia Grant
Deposited On:31 May 2006
Last Modified:14 Jan 2010 19:52

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