A Numerical Method for Tracking the Deformation of Fluid Particles

被引：2
|
作者：
Chen, Shuai [1 ]
Fang, Le [1 ]
Qu, Bo [1 ]
机构：
[1] Beihang Univ, Ecole Cent Pekin, Lab Math & Phys, Beijing 100191, Peoples R China
来源：
MECHATRONICS ENGINEERING, COMPUTING AND INFORMATION TECHNOLOGY | 2014年 / 556-562卷
关键词：
Smoothed particle hydrodynamics; Deformation tracking; Fluid particles; Passive scalar turbulence;
D O I：
10.4028/www.scientific.net/AMM.556-562.3752
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A model for the deformation of fluid particle under the action of velocity gradient tensor is proposed in this article. In this contribution, the control volume/surface is geometrically simplified into micro-ellipse. By using a series of changes of basis and eigenvalue decomposition, a numerical method for the deformation of an elliptic fluid particle is then demonstrated. Finally, this method is applied in two different problems involving smoothed particle hydrodynamics (SPH) simulation and a passive scalar turbulence case.
引用
收藏
页码：3752 / 3755
页数：4
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