학술논문

Wall-modeled large-eddy simulation of the flow past a rod-airfoil tandem by the Lattice Boltzmann method
Document Type
JOURNAL
Source
International Journal of Numerical Methods for Heat & Fluid Flow, 2018, Vol. 28, Issue 5, pp. 1096-1116.
Subject
research-article
Research Paper
cat-ENGG
Engineering
cat-MEG
Mechanical engineering
cat-ENGG
Engineering
Applied aerodynamics and aero-acoustics
Industrial Lattice Boltzmann solver
Wall-modeled large-eddy simulation
Language
English
ISSN
0961-5539
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.