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Technical Documentation of the DLR T-Code

Gerhold, T. and Evans, J. and Galle, M. (1997) Technical Documentation of the DLR T-Code. DLR-Interner Bericht. 223-97 A 43.

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This report contains a description of the flow solver for hybrid three dimensional grids, consisting of prismatic and tetrahedral (or hexahedral) cells. The following topics are described: 1. Edge Based Data Structure 2. Determination of the Auxiliary Grid 3. Basic Flow Solver 4. Boundary Conditions From the initial grid an auxiliarygrid of control volumes is determined. The governing equations are solved on the auxiliary grid and fluxes over the boundaries of the control volumes are computed. From the fluxes the new flow conditions in grid points are computed. This iterative process is executed until a certain number of time steps has been performed. A separate chapter deals with the parallelisation of the code based on domain decomposition. The decomposition is performed for the auxiliary grid. For the communication to be performed interface routines are used. Furthermore the report contains a description of the adaptation module for local refinement of hybrid three dimensional grids, consisting of prismatic and tetrahedral cells. The main topics are: 1. Grid-Adaptation Indicator 2. Grid-Adaptation Algorithm

Item URL in elib:https://elib.dlr.de/13576/
Document Type:Monograph (DLR-Interner Bericht)
Additional Information: LIDO-Berichtsjahr=1999,
Title:Technical Documentation of the DLR T-Code
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Open Access:No
Keywords:Unstructured Grid, Adaptation, CFD
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:other
DLR - Research area:Aeronautics
DLR - Program:L SI - Versuchs- und Simulationstechniken
DLR - Research theme (Project):UNSPECIFIED
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Institut für Strömungsmechanik
Deposited By: DLR-Beauftragter, elib
Deposited On:16 Sep 2005
Last Modified:14 Jan 2010 20:39

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