Simple Navier's slip boundary condition for the non-Newtonian Lattice Boltzmann fluid dynamics solver

被引：25
|
作者：
Svec, Oldrich [1 ]
Skocek, Jan [1 ,2 ]
机构：
[1] Tech Univ Denmark, Dept Civil Engn, DK-2800 Lyngby, Denmark
[2] HeidelbergCement Technol Ctr GmbH, D-69181 Leimen, Germany
来源：
JOURNAL OF NON-NEWTONIAN FLUID MECHANICS | 2013年 / 199卷
关键词：
Numerical simulation; Lattice Boltzmann method; Navier's slip boundary condition; Navier's slip length; FLOW;
D O I：
10.1016/j.jnnfm.2013.06.003
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
The ability of the Lattice Boltzmann method, as the fluid dynamics solver, to properly simulate macroscopic Navies slip boundary condition is investigated. An approximate equation relating the Lattice Boltzmann variable slip boundary condition with the macroscopic Navier's slip boundary condition is proposed. The proposed relation is validated both for the case of Newtonian and non-Newtonian fluids. The importance of employing the Navier's slip boundary condition is highlighted by a practical industrial problem. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：61 / 69
页数：9
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