An improved momentum-exchanged immersed boundary-based lattice Boltzmann method for incompressible viscous thermal flows

被引：3

作者：

Chen, Mu-Feng ^{[1
]}

Niu, Xiao-Dong ^{[1
]}

Ma, Yi-Ren ^{[1
]}

Yamaguchi, H. ^{[2
]}

Iwamoto, Y. ^{[2
]}

机构：

[1] Shantou Univ, Coll Eengineering, Shantou 515063, Peoples R China

[2] Doshisha Univ, Energy Convers Res Ctr, Kyoto, Japan

来源：

FRONTIERS IN FLUID MECHANICS RESEARCH | 2015年 / 126卷

关键词：

improved MEIB-LBM; heat transfer; moving boundary; SIMULATION; CONVECTION; CYLINDER;

D O I：

10.1016/j.proeng.2015.11.271

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

An improved momentum-exchanged immersed boundary-based lattice Boltzmann method (MEIB-LBM) is proposed for incompressible viscous flows in this paper. In present work, we come back to the intrinsic feature of LBM, which uses the density distribution function as a dependent variable to evolve the flow field, and use the non-equilibrium density distribution function correction at the neighbour Euler mesh points to satisfy the non-slip boundary condition on the immersed boundary. The improvements for the original MEIB-LBM are that the intrinsic feature of LBM is kept and the flow penetration is removed. Examples, including force convection over a stationary heated circular cylinder for heat flux condition, and natural convection with a buoyant circle particle in viscous fluid, are provided to validate the present method. (C) 2015 Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license.

引用

页码：691 / 695

页数：5

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