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Dual-Time Stepping Method

Heinrich, R. (1999) Dual-Time Stepping Method. In: Notes on Numerical Fluid Mechanics Vieweg Verlag Braunschweig. pp. 112-117. ISBN 3-528-03121-2.

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The prediction of unsteady air-loads on airfoils and wings plays an increasing role in the aircraft design process. Hence,it is essential to develop numerical schemes which provide time accurate solutions at reasonable costs. An efficient implicit approach is the dual-time stepping method, which uses the physical time and a pseudo time. This approach is stable for arbitrary small and large physical time steps. The physical time steps are thus restricted only by accuracy requirements. In this section we will describe how the dual-time stepping approach has been integrated into the FLOWer code for the unsteady Navier-Stokes equations. We will demonstrate for a typical example that the combination of the implicit dual-time stepping method and the parallelization is a very efficient approach to predict unsteady viscous flows.

Item URL in elib:https://elib.dlr.de/13184/
Document Type:Book Section
Additional Information: LIDO-Berichtsjahr=1999,
Title:Dual-Time Stepping Method
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Journal or Publication Title:Notes on Numerical Fluid Mechanics
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Volume:Volume 71
Page Range:pp. 112-117
Publisher:Vieweg Verlag Braunschweig
Keywords:Dual-Time Stepping Method, viscous flow, CFD, unsteady
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 (old)
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Institut für Entwurfsaerodynamik
Deposited By: Grant, Claudia
Deposited On:16 Sep 2005
Last Modified:14 Jan 2010 20:05

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