A lattice Boltzmann approach for free-surface-flow simulations on non-uniform block-structured grids

被引：64
|
作者：
Janssen, Christian [1 ]
Krafczyk, Manfred [1 ]
机构：
[1] Tech Univ Carolo Wilhelmina Braunschweig, Inst Computat Modeling Civil Engn, Braunschweig, Germany
来源：
COMPUTERS & MATHEMATICS WITH APPLICATIONS | 2010年 / 59卷 / 07期
关键词：
Free surface; Lattice Boltzmann method; Finite volume method; Volume of fluid; Surface reconstruction; PLIC; Advection; Multiphysics; VOLUME-TRACKING; FLUID; MODEL; ALGORITHMS; DYNAMICS; REFINEMENT; DIMENSIONS; INTERFACES; BOUNDARIES; ADVECTION;
D O I：
10.1016/j.camwa.2009.08.064
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
In this paper, we present a hybrid volume-of-fluid-based algorithm for the simulation of free-surface-flow problems. For the solution of the flow field, the lattice Boltzmann method is used. The additional advection equation for the volume-of-fluid (VOF) fill level is discretized with a classical finite volume method. For the interface reconstruction, a piecewise linear interface reconstruction in 3D has been implemented. The free-surface-tracking algorithm is embedded into the 3D, non-uniform, lattice-Boltzmann-based solver VIRTUALFLUIDS; Freudiger et al. (2009)[1], Freudiger (2009)[2]. The advection algorithm is verified and validated with well-known advection test cases. For the validation of the free-surface algorithm, we present simulations of a breaking-dam benchmark. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2215 / 2235
页数：21
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