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Enhancement of an Industrial Finite-Volume Code for Large-Eddy-Type Simulation of Incompressible High-Reynolds Number Flow Using Near-Wall Modelling

Knopp, Tobias and Zhang, Xiaoqin and Kessler, Roland and Lube, Gert (2010) Enhancement of an Industrial Finite-Volume Code for Large-Eddy-Type Simulation of Incompressible High-Reynolds Number Flow Using Near-Wall Modelling. Computer Methods in Applied Mechanics and Engineering, 199 (13-16), pp. 890-902. Elsevier. DOI: 10.1016/j.cma.2009.01.005

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Abstract

We present a validation strategy for enhancement of an unstructured industrial finite-volume solver designed for steady RANS problems for large eddy-type simulation with near-wall modelling of incompressible high-Reynolds number flow. Different parts of the projection-based discretisation are investigated to ensure LES capability of the numerical method. Turbulence model parameters are calibrated by using a minimisation of least-squares functionals for first and second order statistics of the basic benchmark problems decaying homogeneous turbulence and turbulent channel flow. Then the method is applied to the flow over a backward-facing step at Re_h=37500. Of special interest is the role of the spatial and temporal discretisation error for low order schemes. For wall-bounded flows, present results confirm existing best practice guidelines for mesh design. For free shear layers, a sensor to quantify the resolution quality of the LES based on the resolved turbulent kinetic energy is presented and applied to the flow over a backward-facing step at Re_h=37500.

Item URL in elib:https://elib.dlr.de/66673/
Document Type:Article
Additional Information:1 February 2010, Volume 199, Issues 13–16 - selected pp. 779-946
Title:Enhancement of an Industrial Finite-Volume Code for Large-Eddy-Type Simulation of Incompressible High-Reynolds Number Flow Using Near-Wall Modelling
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Knopp, TobiasTobias.Knopp (at) dlr.deUNSPECIFIED
Zhang, XiaoqinSchool of Mechanical and Aerospace Engineering, Nanyang Technological University, 50, Nanyang Avenue, 639798, SingaporeUNSPECIFIED
Kessler, Rolandroland.kessler (at) dlr.deUNSPECIFIED
Lube, GertUniversity of GoettingenUNSPECIFIED
Date:2010
Journal or Publication Title:Computer Methods in Applied Mechanics and Engineering
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:199
DOI :10.1016/j.cma.2009.01.005
Page Range:pp. 890-902
Publisher:Elsevier
Status:Published
Keywords:large-eddy simulation; wall-function; turbulent channel flow; backward-facing step; convergence study; grid refinement
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research (old)
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Concepts & Integration (old)
Location: Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > CASE
Deposited By: Knopp, Dr.rer.nat. Tobias
Deposited On:01 Dec 2010 13:16
Last Modified:06 Sep 2019 15:24

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