Wall-modeled large-eddy simulation of the flow past a rod-airfoil tandem by the Lattice Boltzmann method

Abstract : Purpose: The Lattice Boltzmann (LB) method offers an alternative to conventional computational fluid dynamics (CFD) methods. However, its practical use for complex turbulent flows of engineering interest is still at an early stage. This paper aims to outline an LB wall-modeled large-eddy simulation (WMLES) solver. Design/methodology/approach: The solver is dedicated to complex high-Reynolds flows in the context of WMLES. It relies on an improved LB scheme and can handle complex geometries on multi-resolution block structured grids. Findings: Dynamic and acoustic characteristics of a turbulent airflow past a rod-airfoil tandem are examined to test the capabilities of this solver. Detailed direct comparisons are made with both experimental and numerical reference data. Originality/value: This study allows assessing the potential of an LB approach for industrial CFD applications.
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Submitted on : Saturday, April 20, 2019 - 3:23:50 AM
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Hatem Touil, Satish Malik, Emmanuel Lévêque, Denis Ricot, Aloïs Sengissen. Wall-modeled large-eddy simulation of the flow past a rod-airfoil tandem by the Lattice Boltzmann method. International Journal of Numerical Methods for Heat and Fluid Flow, Emerald, 2018, 28 (5), pp.1096-1116. ⟨10.1108/HFF-06-2017-0258⟩. ⟨hal-02084828⟩

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