全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

5阶WENO有限差分法在界面追踪中的应用

DOI: 10.15918/j.tbit1001-0645.2015.04.003

Keywords: VOF法 WENO有限差分法 运动界面 界面重构

Full-Text   Cite this paper   Add to My Lib

Abstract:

为实现高精度和高分辨率追踪流体运动界面,采用流体体积函数(VOF)法,将VOF函数的二维运输方程转化为一维守恒律方程后,空间导数采用5阶WENO有限差分法离散,时间导数采用3阶Runge-Kutta法离散,数值流通量采用Local Lax-Friedrich通量计算,运动界面采用Youngs界面重构技术重构,从而给出一种5阶高精度和高分辨率的流体运动界面追踪方法. 将该方法分别应用于平移、旋转场和剪切流场中经典模型的运动界面追踪,结果表明本文方法可实现流体运动界面高精度和高分辨率的追踪

References

[1]  Hirt C W, Nichols B D. Volume of fluid (VOF) method for the dynamics of free boundaries[J]. Journal of Computational Physics, 1981,39(1):201-225.
[2]  Osher S, Sethian J A. Fronts propagating with curvature-dependent speed: algorithms based on Hamilton-Jacobi formulations[J]. Journal of Comput-ational Physics, 1988,79(1):12-49.
[3]  Xu Jianjun, Yang Yin, Lowengrub J. A level-set continuum method for two-phase flows with insoluble surfactant[J]. Journal of Computational Physics, 2012,231(17):5897-5909.
[4]  Liu Xudong, Stanley Osher, Chan Tony. Weighted essentially non-oscillatory schemes[J]. Journal of Computational Physics, 1994,115(1):200-212.
[5]  郑有山,王成.变截面管道对瓦斯爆炸特性影响的数值模拟[J].北京理工大学学报,2009,29(11):947-949. Zheng Youshan, Wang Cheng. Numerical simulation for the influence of variable cross-section tube on explosion characteristics of methane[J]. Transactions of Beijing Institute of Technology, 2009,29(11):947-949. (in Chinese)
[6]  吴吉林,马天宝,郝莉,等.基于Youngs界面技术的混凝土中爆炸三维动力计算[J].北京理工大学学报,2009,29(7):570-573. Wu Jilin, Ma Tianbao, Hao Li, et al. Three-dimensional dynamic computation of explosion in concrete based on Youngs interface reconstruction algorithm[J]. Transactions of Beijing Institute of Technology, 2009,29(7):570-573. (in Chinese)
[7]  Rudman M. Volume-tracking methods for interfacial flow calculations[J]. International Journal for Numerical Methods in Fluids, 1997,24(7):671-691.
[8]  卢长娜,程冰.基于五阶WENO有限差分法的运动界面追踪[J].南京信息工程大学学报:自然科学版,2010,2(4):357-360. Lu Changna, Cheng Bing. Fifth-order WENO finite difference method for tracking the moving-interfaces[J]. Journal of Nanjing University of Information Science and Technology: Natural Science ed, 2010,2(4):357-360. (in Chinese)

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133