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2011•Proceeding of Seventh International Symposium on Turbulence and Shear Flow PhenomenaRequires access

APPLICATION OF ADVANCED REYNOLDS STRESS TRANSPORT MODELS TO HIGHLY SEPARATED FLOWS

Flavien Billard, T.J. Craft, Alistair Revell

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Abstract

This paper considers the application of four Reynolds Averaged Navier Stokes (RANS) models to a range of progressively complex test cases, exhibiting both 2-D and 3-D flow separation. Two Eddy Viscosity Models (EVM) and two Reynolds Stress Transport Models (RSM) are employed, of which two (one in each category) are based on elliptic blending formulations. This study attempts to gain more insight into the importance of two modelling features for these flows; the usage of turbulence anisotropy resolving schemes and the near-wall limiting behaviour. As expected, there is no single best model, though some clear trend in performance is observed.

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What this paper is about

This paper considers the application of four Reynolds Averaged Navier Stokes (RANS) models to a range of progressively complex test cases, exhibiting both 2-D and 3-D flow separation. Two Eddy Viscosity Models (EVM) and two Reynolds Stress Transport Models (RSM) are employed, of which two (one in each category) are based on elliptic blending formulations. This study attempts to gain more insight into the importance of two modelling features for these flows; the usage of turbulence anisotropy resolving schemes and the near-wall limiting behaviour. As expected, there is no single best model, though some clear trend in performance is observed.

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OpenAlex reports 2 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

This paper considers the application of four Reynolds Averaged Navier Stokes (RANS) models to a range of progressively complex test cases, exhibiting both 2-D and 3-D flow separation. Two Eddy Viscosity Models (EVM) and two Reynolds Stress Transport Models (RSM) are employed, of which two (one in each category) are based on elliptic blending formulations. This study attempts to gain more insight into the importance of two modelling features for these flows; the usage of turbulence anisotropy resolving schemes and the near-wall limiting behaviour. As expected, there is no single best model, though some clear trend in performance is observed.

Key concepts: Reynolds-averaged Navier–Stokes equations, Turbulence, Reynolds stress, Reynolds stress equation model, Turbulence modeling, Limiting, Reynolds number, Mechanics

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