A New Method to Simulate Free Surface Flows for Viscoelastic Fluid

被引：11

作者：

Cao, Yu ^{[1
,2
,3
]}

Ren, Xiao-Guang ^{[1
,2
]}

Guo, Xiao-Wei ^{[1
,2
]}

Wang, Miao ^{[1
,2
]}

Wang, Qian ^{[1
,2
]}

Xu, Xin-Hai ^{[1
,2
]}

Yang, Xue-Jun ^{[1
,2
]}

机构：

[1] Natl Univ Def Technol, Coll Comp, Changsha 410073, Hunan, Peoples R China

[2] Natl Univ Def Technol, State Key Lab High Performance Comp, Changsha 410073, Hunan, Peoples R China

[3] Univ Manchester, Manchester Inst Biotechnol, Sch Chem Engn & Analyt Sci, Manchester M13 9PL, Lancs, England

来源：

ADVANCES IN MATERIALS SCIENCE AND ENGINEERING | 2015年 / 2015卷

基金：

中国国家自然科学基金;

关键词：

DIE-SWELL; EXTRUDATE-SWELL;

D O I：

10.1155/2015/159831

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Free surface flows arise in a variety of engineering applications. To predict the dynamic characteristics of such problems, specific numerical methods are required to accurately capture the shape of free surface. This paper proposed a new method which combined the Arbitrary Lagrangian-Eulerian (ALE) technique with the Finite Volume Method (FVM) to simulate the time-dependent viscoelastic free surface flows. Based on an open source CFD toolbox called OpenFOAM, we designed an ALE-FVM free surface simulation platform. In the meantime, the die-swell flow had been investigated with our proposed platform to make a further analysis of free surface phenomenon. The results validated the correctness and effectiveness of the proposed method for free surface simulation in both Newtonian fluid and viscoelastic fluid.

引用

页数：10

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