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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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)|
|Title:||Algorithmic Developments in TAU|
|Journal or Publication Title:||MEGAFLOW - Numerical Flow Simulation for Aircraft Design|
|Page Range:||pp. 93-108|
|Series Name:||Notes on Numerical Fluid Mechanics and Multidisciplinary Design (NNFM)|
|Event Title:||Closing Presentation DLR Project MEGAFLOW|
|Event Location:||Braunschweig (DE)|
|Event Dates:||2002-12-10 - 2002-12-11|
|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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