One-point boundary condition for the lattice Boltzmann method

被引：48

作者：

Junk, M ^{[1
]}

Yang, ZX ^{[1
]}

机构：

[1] Univ Konstanz, FB Math & Stat, D-78457 Constance, Germany

来源：

PHYSICAL REVIEW E | 2005年 / 72卷 / 06期

关键词：

D O I：

10.1103/PhysRevE.72.066701

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

We propose a correction to the bounce back boundary condition for lattice Boltzmann algorithms which improves the accuracy of pressure from zero to first order and the accuracy of velocity from first to second order. Compared to interpolation based corrections, our method has the advantage of being completely local. In fact, methods using interpolation face difficulties at boundary points where not enough neighboring nodes are available. We show that a combination with our method offers a natural solution to this problem.

引用

页数：8

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