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Analysis of a low Reynolds differential Reynolds stress model in homogeneous shear flow with respect to numerical stability

Morsbach, Christian (2015) Analysis of a low Reynolds differential Reynolds stress model in homogeneous shear flow with respect to numerical stability. 22nd AIAA Computational Fluid Dynamics Conference, 22.-26. Jun. 2015, Dallas, TX, USA.

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Abstract

Motivated by laminarization problems in fully turbulent airfoil computations, the low Reynolds differential Reynolds stress model of Jakirli\'c and Hanjali\'c (Jakirli\'c et al., 2007) is investigated in the model problem of homogeneous shear flow. An investigation of the fixed point properties of this equation system is presented along with an analysis of phase space trajectories. From this analysis, factors are identified that promote convergence towards degenerate solutions and could serve as a starting point for model improvements.

Item URL in elib:https://elib.dlr.de/97487/
Document Type:Conference or Workshop Item (Speech)
Title:Analysis of a low Reynolds differential Reynolds stress model in homogeneous shear flow with respect to numerical stability
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Morsbach, Christianchristian.morsbach (at) dlr.deUNSPECIFIED
Date:2015
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:differential Reynolds stress model, dynamical systems analysis, phase space analysis, laminarisation
Event Title:22nd AIAA Computational Fluid Dynamics Conference
Event Location:Dallas, TX, USA
Event Type:international Conference
Event Dates:22.-26. Jun. 2015
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:propulsion systems
DLR - Research area:Aeronautics
DLR - Program:L ER - Engine Research
DLR - Research theme (Project):L - Virtual Engine and Validation methods
Location: Köln-Porz
Institutes and Institutions:Institute of Propulsion Technology > Numerical Methodes
Deposited By: Morsbach, Christian
Deposited On:27 Jul 2015 09:39
Last Modified:27 Jul 2015 09:39

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