Modeling complex boundaries using an external force field on fixed Cartesian grids in large-eddy simulations.
type: Item
instance of: scholarly article
title: Modeling complex boundaries using an external force field on fixed Cartesian grids in large-eddy simulations.
zbMATH Open document ID: 1088.76018
DOI: 10.1016/S0045-7930(03)00058-6
published in: Computers and Fluids
publication date: 2004-05-27T00:00:00Z
review text: A methodology to perform large eddy simulation (LES) around complex boundaries on fixed Cartesian grids is presented. The main features of the method are the following: a) the interface between the fluid and a stationary or moving solid boundary is tracked as a discontinuity; b) the computation of the direct forcing function is done using local multidimensional reconstructions that are applicable to complex bodies and do not require special treatments; c) in the case of LES, issues related to filtering operations and the subsequent computation off the subgrid-scale eddy viscosity in the vicinity of immersed interfaces are adressed.
Mathematics Subject Classification ID: 76F65
Mathematics Subject Classification ID: 76M20
zbMATH DE Number: 2067449
zbMATH Keywords: Large-eddy simulation
zbMATH Keywords: Finite differences
zbMATH Keywords: Immersed boundaries
author: Elias Balaras
reviewed by: Messoud Efendiev
MaRDI profile type: Publication
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full work available at URL: s0045-7930(03)00058-6
OpenAlex ID: W2025610129
description: scientific article; zbMATH DE number 2067449