自由表面流动的三维SPH数值仿真研究

山东大学学报(工学版) ›› 2009, Vol. 39 ›› Issue (6): 92-96.

自由表面流动的三维SPH数值仿真研究

焦培刚周以齐王喜仓

焦培刚周以齐：山东大学机械工程学院, 山东济南 250061； 
焦培刚周以齐：高效洁净机械制造教育部重点实验室(山东大学), 山东济南 250061;王喜仓：山东交通学院工程机械系, 山东济南 250023

收稿日期:2009-07-21 出版日期:2009-12-16 发布日期:2009-12-16
作者简介:焦培刚(1974-),男,山东聊城人,博士研究生,研究方向为虚拟仿真、数值模拟等.E-mail:jiaopeigang@163.com
基金资助:
国家建设高水平大学公派研究生资助项目(留金出［2007］3020)

Smoothed particle hydrodynamics for numerical simulation ofthree-dimensional free surface flow

JIAO Pei-Gang, ZHOU Yi-Qi： School of Mechanical Engineering, Shandong University, Jinan 250061, China;
JIAO Pei-Gang, ZHOU Yi-Qi：. Key Laboratory of High Efficiency and Clean Mechanical Manufacture(Shandong University), Ministry of Education, Jinan 250061, China; WANG Xi-Cang： Department of Construction Machinery,Shandong Jiaotong University, Jinan 2500 23, China

Received:2009-07-21 Online:2009-12-16 Published:2009-12-16

摘要/Abstract

摘要：

使用三维光滑粒子动力学(SPH)方法研究了自由表面流动问题,使用自编的三维SPH程序完成了溃坝算例。三维SPH模拟结果与两维SPH结果及实验结果保持一致,验证了三维SPH方法的可行性.数值仿真结果表明,在三维溃坝过程中,流体的形状、位置、速度等主要物理现象可以很好地进行模拟.通过合理地设置输入条件、边界条件及状态方程等仿真控制参数,提出的三维SPH方法可以很容易地进行扩展,可以处理许多其它的三维流体仿真问题.

关键词: 光滑粒子流体动力学(SPH);数值仿真;溃坝;自由表面流动

Abstract:

An efficient smoothed particle hydrodynamics (SPH) method for three-dimensional free surface flow was proposed. The 3D SPH code fordam break was implemented, the simulation results of 3D SPH accorded with that of the 2D SPH results and the experimental results. Numerical simulation results showed that major physics of thedam break could be well captured in the simulation. The proposed SPH method could be easily extended to deal with many other problems of threedimensional liquid flow if simulation control parameters such as input condition, boundary conditionand corresponding equation of state were properly defined.

Key words: smoothed particle hydrodynamics (SPH); numerical simulation; dam break; free surface flow

焦培刚周以齐王喜仓. 自由表面流动的三维SPH数值仿真研究[J]. 山东大学学报(工学版), 2009, 39(6): 92-96.

JIAO Pei-Gang, ZHOU Yi-Qi, WANG Xi-Cang. Smoothed particle hydrodynamics for numerical simulation ofthree-dimensional free surface flow[J]. JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE), 2009, 39(6): 92-96.

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