Assessment of stretched vortex subgrid-scale models for LES of incompressible inhomogeneous turbulent flow

Dinesh A. Shetty; Steven H. Frankel

doi:10.1002/fld.3793

Assessment of stretched vortex subgrid-scale models for LES of incompressible inhomogeneous turbulent flow

Research output: Contribution to journal › Article › peer-review

Abstract

The physical space version of the stretched vortex subgrid scale model is tested in LES of the turbulent lid-driven cubic cavity flow. LES is carried out by using a higher order finite-difference method. The effects of different vortex orientation models and subgrid turbulence spectrums are assessed through comparisons of the LES predictions against DNS. Three Reynolds numbers 12000, 18000, and 22000 are studied. Good agreement with the DNS data for the mean and fluctuating quantities is observed.

Original language	English
Pages (from-to)	152-171
Number of pages	20
Journal	International Journal for Numerical Methods in Fluids
Volume	73
Issue number	2
DOIs	https://doi.org/10.1002/fld.3793
State	Published - 20 Sep 2013
Externally published	Yes

Keywords

Driven cavity
High-order finite difference
Incompressible flows
Large eddy simulation
Stretched vortex subgrid-scale model
WENO

ASJC Scopus subject areas

Computational Mechanics
Mechanics of Materials
Mechanical Engineering
Computer Science Applications
Applied Mathematics

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10.1002/fld.3793

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abstract = "The physical space version of the stretched vortex subgrid scale model is tested in LES of the turbulent lid-driven cubic cavity flow. LES is carried out by using a higher order finite-difference method. The effects of different vortex orientation models and subgrid turbulence spectrums are assessed through comparisons of the LES predictions against DNS. Three Reynolds numbers 12000, 18000, and 22000 are studied. Good agreement with the DNS data for the mean and fluctuating quantities is observed.",

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AB - The physical space version of the stretched vortex subgrid scale model is tested in LES of the turbulent lid-driven cubic cavity flow. LES is carried out by using a higher order finite-difference method. The effects of different vortex orientation models and subgrid turbulence spectrums are assessed through comparisons of the LES predictions against DNS. Three Reynolds numbers 12000, 18000, and 22000 are studied. Good agreement with the DNS data for the mean and fluctuating quantities is observed.

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KW - High-order finite difference

KW - Incompressible flows

KW - Large eddy simulation

KW - Stretched vortex subgrid-scale model

KW - WENO

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Assessment of stretched vortex subgrid-scale models for LES of incompressible inhomogeneous turbulent flow

Abstract

Keywords

ASJC Scopus subject areas

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