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学科主题: Computer Science, Interdisciplinary Applications ; Mathematics, Interdisciplinary Applications ; Mechanics ; Physics, Fluids & Plasmas
题名: A lattice Boltzmann method for viscous free surface waves in two dimensions
作者: [Zhao, Zhuangming ; Huang, Ping] Sun Yat Sen Univ, Sch Environm Sci & Engn, Dept Environm Sci, Guangzhou 510275, Guangdong, Peoples R China ; [Li, Yineng ; Li, Junmin] Chinese Acad Sci, S China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China
通讯作者: eeshping@mail.sysu.edu.cn
关键词: lattice Boltzmann equation (LBE) ; kinematic boundary condition (KBC) ; free surface ; viscous wave ; non-hydrostatic pressure ; multi-relaxation-time (MRT) model
刊名: INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS
发表日期: 2013
卷: 71, 期:2, 页:223-248
部门归属: LTO
摘要: We propose a new method based on the combination of the lattice Boltzmann equation (LBE) and the kinematic boundary condition (KBC) method to simulate viscous free surface wave in two dimensions. In our method, the flow field is modeled by LBE, whereas the free surface is explicitly tracked by the local height function, which is calculated by the KBC method. The free surface boundary condition (FSBC) for LBE is revised from previous researches. Interpolation-supplemented lattice Boltzmann (ISLB) method is introduced, which enables our approach to be applied on arbitrary, nonuniform mesh grids. Five cases are simulated respectively to validate the LBEKBC method: the stationary flow and the solitary waves simulated by the revised-FSBC are more accurate than the one obtained by the former-FSBC; numerical results of standing waves show that our method is compatible to the existing two-dimensional finite-volume scheme; cases of small amplitude Stokes wave and waves traveling over a submerged bar show good agreement on wave celerity, wavelength, wave amplitude and wave period between numerical results and corresponding analytical solutions and/or experiment data.Copyright (c) 2012 John Wiley & Sons, Ltd.
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000312539700006
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/10937
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[Zhao, Zhuangming; Huang, Ping] Sun Yat Sen Univ, Sch Environm Sci & Engn, Dept Environm Sci, Guangzhou 510275, Guangdong, Peoples R China; [Li, Yineng; Li, Junmin] Chinese Acad Sci, S China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China.A lattice Boltzmann method for viscous free surface waves in two dimensions,INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS,2013,71(2):223-248
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