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Overset DNS with Application to Homogeneous Decaying Turbulence

Akkermans, R.A.D. and Buchmann, N. and Dierke, Jürgen and Ewert, Roland (2016) Overset DNS with Application to Homogeneous Decaying Turbulence. In: New Results in Numerical and Experimental Fluid Mechanics X Notes on Numerical Fluid Mechanics and Multidisciplinary Design, 132. Springer International Publishing AG. pp. 699-707. ISBN 978-3-319-27278-8. ISSN 1612-2909

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Official URL: http://www.springer.com/series/4629

Abstract

In this contribution an application of a computational aeroacoustics code as a hybrid Zonal DNS tool is presented. The derivation of the Non-Linear Perturbation Equations (NLPE) extended with viscous terms is shown as well as information related to the numerical method is given. The application of the simulation tool to a generic three-dimensional test case, i.e., the Taylor-Green Vortex (TGV), is presented. This TGV, initially consists of only one length scale, develops into homogeneous decaying turbulence. Results of energy spectrum and grid convergence study are given. It is shown that the observed accuracy of the numerical code matches well with the expected theoretical order of four.

Item URL in elib:https://elib.dlr.de/105947/
Document Type:Contribution to a Collection
Title:Overset DNS with Application to Homogeneous Decaying Turbulence
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Akkermans, R.A.D.TU BraunschweigUNSPECIFIED
Buchmann, N.TU BraunschweigUNSPECIFIED
Dierke, Jürgenjuergen.dierke (at) dlr.deUNSPECIFIED
Ewert, Rolandroland.ewert (at) dlr.deUNSPECIFIED
Date:2016
Journal or Publication Title:New Results in Numerical and Experimental Fluid Mechanics X
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Volume:132
DOI :10.1007/978-3-319-27279-5_61
Page Range:pp. 699-707
Editors:
EditorsEmail
Dillmann, AndreasDLR
Heller, GerdAirbus Deutschland, Bremen
Krämer, EwaldUniversität Stuttgart, IAG
Wagner, ClausDLR
Breitsamter, ChristianTU München
Publisher:Springer International Publishing AG
Series Name:Notes on Numerical Fluid Mechanics and Multidisciplinary Design
ISSN:1612-2909
ISBN:978-3-319-27278-8
Status:Published
Keywords:Large Eddy Simulation, LES, Decaying Homogeneous Turbulence
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Flight Physics
Location: Braunschweig
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Technical Acoustics
Deposited By: Seyfried, Beate
Deposited On:05 Sep 2016 10:17
Last Modified:05 Sep 2016 10:17

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