A High-Order Compact Finite-Difference Scheme for Large-Eddy Simulation of Active Flow Control

Rizzetta, Donald P.; Visbal, Miguel R.; Morgan, Philip E.

doi:10.21236/ada475813

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Cited by 16 publications

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“…High-order non-dissipative schemes such as central explicit or compact differencing schemes [3] provide high accuracy for the LES of turbulent flows [4]. Such numerical discretisations are accompanied by high frequency dispersion errors, which are typically damped using high frequency filters.…”

Section: Introductionmentioning

confidence: 99%

Assessment of artificial fluid properties for high-order accurate large-eddy simulations of shock-free compressible turbulent flows with strong temperature gradients

et al. 2019

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Section: Introductionmentioning

confidence: 99%

Assessment of artificial fluid properties for high-order accurate large-eddy simulations of shock-free compressible turbulent flows with strong temperature gradients

et al. 2019

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Comparative study of implicit and subgrid‐scale model large‐eddy simulation techniques for low‐Reynolds number airfoil applications

Garmann

Visbal

Orkwis

2012

Numerical Methods in Fluids

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152

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SUMMARYA computational study of a high‐fidelity, implicit large‐eddy simulation (ILES) technique with and without the use of the dynamic Smagorinsky subgrid‐scale (SGS) model is conducted to examine the contributions of the SGS model on solutions of transitional flow over the SD7003 airfoil section. ILES without an SGS model has been shown in the past to produce comparable and sometimes favorable results to traditional SGS‐based large‐eddy simulation (LES) when applied to canonical turbulent flows. This paper evaluates the necessity of the SGS model for low‐Reynolds number airfoil applications to affirm the use of ILES without SGS‐modeling for a broader class of problems such as those pertaining to micro air vehicles and low‐pressure turbines. It is determined that the addition of the dynamic Smagorinsky model does not significantly affect the time‐mean flow or statistical quantities measured around the airfoil section for the spatial resolutions and Reynolds numbers examined in this study. Additionally, the robustness and reduced computational cost of ILES without the SGS model demonstrates the attractiveness of ILES as an alternative to traditional LES. Published 2012. This article is a US Government work and is in the public domain in the USA.

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DNS of Navier–Stokes Equation

Sengupta

Bhaumik

2018

DNS of Wall-Bounded Turbulent Flows

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A High-Order Compact Finite-Difference Scheme for Large-Eddy Simulation of Active Flow Control

Cited by 16 publications

References 57 publications

Assessment of artificial fluid properties for high-order accurate large-eddy simulations of shock-free compressible turbulent flows with strong temperature gradients

Assessment of artificial fluid properties for high-order accurate large-eddy simulations of shock-free compressible turbulent flows with strong temperature gradients

Comparative study of implicit and subgrid‐scale model large‐eddy simulation techniques for low‐Reynolds number airfoil applications

DNS of Navier–Stokes Equation

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