Application of the lattice Bhatnagar-Gross-Krook method to the simulation of internal pressure-driven flow

WHITE, D. M., HALLIDAY, I., CARE, C. M. and STEVENS, A. (1999). Application of the lattice Bhatnagar-Gross-Krook method to the simulation of internal pressure-driven flow. Physica D Nonlinear Phenomena, 129 (1-2), 68-82.

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Link to published version:: 10.1016/S0167-2789(98)00298-X

Abstract

Recent modifications to the two-speed, two-dimensional lattice Bhatnagar-Gross-Krook method eliminate compressibility errors from the simulation of macroscopic fluids governed by the steady-state Navier-Stokes equation. We describe the means by which this modified scheme makes it possible to compute both pressure drops and flow fields, bringing internal, pressure driven, isothermal flows within the scope of the method. The scheme is applied to the simulation of flow of a viscous incompressible fluid past a sudden expansion in an infinite aspect ratio duct (back-facing step geometry). Results are presented and compared with experiment and theory over a range of Reynolds number. (C) 1999 Published by Elsevier Science B.V. All rights reserved.

Item Type: Article
Research Institute, Centre or Group: Materials and Engineering Research Institute > Polymers Nanocomposites and Modelling Research Centre > Materials and Fluid Flow Modelling Group
Identification Number: 10.1016/S0167-2789(98)00298-X
Depositing User: Hilary Ridgway
Date Deposited: 12 Apr 2010 13:16
Last Modified: 29 Sep 2010 10:38
URI: http://shura.shu.ac.uk/id/eprint/1650

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