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Second Thermal and Fluids Engineering  Conference

ISSN: 2379-1748
ISBN: 978-1-56700-430-4

QUANTITATIVE SOLUTION VERIFICATION OF LARGE EDDY SIMULATION OF CHANNEL FLOW

Rabijit Dutta
Department of Mechanical Engineering, The University of Idaho, Moscow, ID 83844-0902, USA

Tao Xing
Department of Mechanical Engineering, The University of Idaho, Moscow, ID 83844-0902, USA

Abstract

This study performs large eddy simulation (LES) of periodic channel flow to evaluate and validate the recently developed solution verification methods for LES [Xing, T, Journal of Hydrodynamics, 27, 2015], i.e., ranging from a simple single grid estimator to more sophisticated seven equation estimators based on two hypotheses. Simulations of periodic channel flow at friction Reynolds number (Reτ) of 395 using open source computational fluid dynamics (CFD) code OpenFOAM 3.0.0 are conducted. The results of this study have potential to develop useful guidelines on selecting grid and SGS models for achieving high-fidelity LES simulations for wall bounded flow.

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