A HYBRID LATTICE BOLTZMANN METHOD-FINITE DIFFERENCE METHOD MODEL FOR SEDIMENT TRANSPORT AND RIVERBED DEFORMATION

被引：3
|
作者：
Liu, H. [1 ]
Ding, Y. [1 ]
Li, M. [1 ]
Lin, P. [2 ]
Yu, M. H. [3 ]
Shu, A. P. [1 ]
机构：
[1] Beijing Normal Univ, Sch Environm, Beijing 100875, Peoples R China
[2] Danish Hydraul Inst DHI Water & Environm, Shanghai, Peoples R China
[3] Wuhan Univ, Sch Water Resources & Hydropower Engn, Wuhan 430072, Peoples R China
来源：
RIVER RESEARCH AND APPLICATIONS | 2015年 / 31卷 / 04期
基金：
中国国家自然科学基金;
关键词：
sediment transport; lattice Boltzmann method; finite difference method; riverbed deformation; shallow water flow;
D O I：
10.1002/rra.2735
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
In this study, a two-dimensional hybrid numerical model for sediment transport based on lattice Boltzmann method and finite difference method is presented. The governing equations for water flow and suspended sediment transport are the shallow water equations and the advection-diffusion equations, respectively. Sediment load is also involved, so that riverbed deformation is numerically simulated. The model is verified by testing transportation of bank-slump sediment in a sharp bended channel with the comparison to the results of well-accepted finite volume method, illustrating the effectiveness of the proposed hybrid model. Copyright (c) 2014 John Wiley & Sons, Ltd.
引用
收藏
页码：447 / 456
页数：10
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