南方科技大学知识苑(SUSTech KC): A regularized single-phase lattice Boltzmann method for free-surface flows

题名	A regularized single-phase lattice Boltzmann method for free-surface flows
作者	Cao，Wenjin 1; Li，Zhe 1; Li，Xuhui1,2 ; Le Touzé，David 1
通讯作者	Li，Zhe
发表日期	2020-11-15
DOI	10.1016/j.camwa.2020.09.015
发表期刊	COMPUTERS & MATHEMATICS WITH APPLICATIONS 影响因子和分区
ISSN	0898-1221
EISSN	1873-7668
卷号	80 期号:10页码:2194-2211
摘要	In this paper, a lattice Boltzmann (LB) scheme for simulating free-surface flows is investigated, in which the Hermite expansion-based regularization (Zhang et al., 2006) and the single-phase free-surface model (Körner et al., 2005) are adopted. It is pointed out that the original free-surface model may encounter some conflicting situations when dealing with some extreme cases, such as adjacent filled/empty interface cells, isolated interface cells, and how to reconstruct distribution functions if too few non-gas cells are available in the neighbourhood region. An alternative reconstruction method based on the extrapolation and the gradient of macroscopic variables is then proposed to tackle these problems. The proposed numerical framework is validated through several test-cases, from which it is shown that the regularization can largely improve the stability of LB simulations of violent free-surface flows such as dam-break flows. In addition, the proposed reconstruction method can help further reduce the spurious pressure noises in regularized LBM. Nevertheless, a more dissipative behaviour has been observed in the viscous standing wave test-case.
关键词	Free-surface flows Lattice Boltzmann method Pressure noises Regularization
相关链接	[Scopus记录]
收录类别	SCI ; EI
语种	英语
学校署名	其他
WOS研究方向	Mathematics
WOS类目	Mathematics, Applied
WOS记录号	WOS:000582595400007
出版者	PERGAMON-ELSEVIER SCIENCE LTD
EI入藏号	20204009293584
EI主题词	Kinetic theory ; Phase interfaces
EI分类号	Physical Chemistry:801.4 ; Probability Theory:922.1
ESI学科分类	MATHEMATICS
Scopus记录号	2-s2.0-85091797209
来源库	Scopus
引用统计	被引频次[WOS]：10
成果类型	期刊论文
条目标识符	http://sustech.caswiz.com/handle/2SGJ60CL/187876
专题	南方科技大学工学院_力学与航空航天工程系
作者单位	1.École Centrale de Nantes,LHEEA Research Department,(ECN and CNRS),Nantes,France 2.Southern University of Science and Technology,Shenzhen,China
推荐引用方式 GB/T 7714	Cao，Wenjin,Li，Zhe,Li，Xuhui,et al. A regularized single-phase lattice Boltzmann method for free-surface flows[J]. COMPUTERS & MATHEMATICS WITH APPLICATIONS,2020,80(10):2194-2211.
APA	Cao，Wenjin,Li，Zhe,Li，Xuhui,&Le Touzé，David.(2020).A regularized single-phase lattice Boltzmann method for free-surface flows.COMPUTERS & MATHEMATICS WITH APPLICATIONS,80(10),2194-2211.
MLA	Cao，Wenjin,et al."A regularized single-phase lattice Boltzmann method for free-surface flows".COMPUTERS & MATHEMATICS WITH APPLICATIONS 80.10(2020):2194-2211.