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Investigation of a Semi-Implicit Multigrid Method for Reacting Flows

Jacob, D. (1995) Investigation of a Semi-Implicit Multigrid Method for Reacting Flows. DLR-Interner Bericht. 129-95/2. 29 S.

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Numeric flow simulations show their capabilities mainly for flows without chemical reactions. Here a code for simulation of 1D reactingflows has been investigated. It is based on a semi-implicit time discretization scheme and uses upwind spatial discretization and a full multigrid method. Especially, the Jacobian matrix and its in- version have been examined. Code modifications have been implemented in order to check the accuracy of the numerical results. Programming numerical process to check the analytic elements of the source Jacobian matrix was the most notable occupation of the investigation,hence it has been described in details within present report. Coding errors have been corrected and the modifications have been checked. There is now no uncertainty left about the numerical results obtainedafter this check.

Item URL in elib:https://elib.dlr.de/36296/
Document Type:Monograph (DLR-Interner Bericht)
Additional Information: LIDO-Berichtsjahr=1995,
Title:Investigation of a Semi-Implicit Multigrid Method for Reacting Flows
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Open Access:No
Number of Pages:29
Keywords:Reacting flow, multigrid, inviscid flow, semi-implicit scheme
HGF - Research field:UNSPECIFIED
HGF - Program:Space (old)
HGF - Program Themes:W RP - Raumtransport
DLR - Research area:UNSPECIFIED
DLR - Program:W RP - Raumtransport
DLR - Research theme (Project):W - Grundlagen Raumtransport - Anlagen und Messtechnik (old)
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Institut für Entwurfsaerodynamik
Deposited By: DLR-Beauftragter, elib
Deposited On:03 Apr 2006
Last Modified:27 Apr 2009 10:05

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