Lattice Boltzmann model for incompressible axisymmetric flows

被引：73

作者：

Chen, Sheng ^{[1
]}

Toelke, Jonas ^{[1
]}

Geller, Sebastian ^{[1
]}

Krafczyk, Manfred ^{[1
]}

机构：

[1] Tech Univ Carolo Wilhelmina Braunschweig, Inst Computat Modeling Civil Engn, D-38106 Braunschweig, Germany

来源：

PHYSICAL REVIEW E | 2008年 / 78卷 / 04期

关键词：

D O I：

10.1103/PhysRevE.78.046703

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：

A lattice Boltzmann model for incompressible axisymmetric flow is proposed in this paper. Unlike previous axisymmetric lattice Boltzmann models, which were based on "primitive-variables" Navier-Stokes equations, the target macroscopic equations of the present model are vorticity-stream-function formulations. Due to the intrinsic features of vorticity-stream-function formulations, the present model is more efficient, more stable, and much simpler than the existing models. The advantages of the present model are validated by numerical experiments.

引用

页数：8

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