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Morsbach, Christian (2015) Analysis of a low Reynolds differential Reynolds stress model in homogeneous shear flow with respect to numerical stability. In: 22nd AIAA Computational Fluid Dynamics Conference, 2015. 22nd AIAA Computational Fluid Dynamics Conference, 2015-06-22 - 2015-06-26, Dallas, TX, USA. doi: 10.2514/6.2015-2759.
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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/ | ||||||||
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| 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: |
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| Date: | 2015 | ||||||||
| Journal or Publication Title: | 22nd AIAA Computational Fluid Dynamics Conference, 2015 | ||||||||
| Refereed publication: | Yes | ||||||||
| Open Access: | No | ||||||||
| Gold Open Access: | No | ||||||||
| In SCOPUS: | Yes | ||||||||
| In ISI Web of Science: | No | ||||||||
| DOI: | 10.2514/6.2015-2759 | ||||||||
| 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 Start Date: | 22 June 2015 | ||||||||
| Event End Date: | 26 June 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 (old) | ||||||||
| 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: | 24 Apr 2024 20:03 |
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