Forcing for a Cascaded Lattice Boltzmann Shallow Water Model

被引：6
|
作者：
Venturi, Sara [1 ]
Di Francesco, Silvia [2 ]
Geier, Martin [3 ]
Manciola, Piergiorgio [1 ]
机构：
[1] Univ Perugia, Civil & Environm Dept, I-06125 Perugia Pg, Italy
[2] Niccola Cusano Univ, Engn Fac, I-00166 Rome, Italy
[3] TU Braunschweig, Inst Computat Modeling Civil Engn iRMB, D-38106 Braunschweig, Germany
来源：
WATER | 2020年 / 12卷 / 02期
关键词：
shallow water equations; central moments; external force; SOURCE TERMS; EQUATIONS; SCHEMES; SIMULATION; FLOW;
D O I：
10.3390/w12020439
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
This work compares three forcing schemes for a recently introduced cascaded lattice Boltzmann shallow water model: a basic scheme, a second -order scheme, and a centred scheme. Although the force is applied in the streaming step of the lattice Boltzmann model, the acceleration is also considered in the transformation to central moments. The model performance is tested for one and two dimensional benchmarks.
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收藏
页数：16
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