Solving viscoelastic free surface flows of a second-order fluid using a marker-and-cell approach

被引：15
|
作者：
Tome, M. F.
Doricio, J. L.
Castelo, A.
Cuminato, J. A.
McKee, S. [1 ]
机构：
[1] Univ Strathclyde, Dept Math, Glasgow G1 1XW, Lanark, Scotland
[2] USP, ICMC, BR-13560970 Sao Carlos, SP, Brazil
来源：
INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS | 2007年 / 53卷 / 04期
关键词：
free surface flow; marker-and-cell; second-order fluid; finite difference;
D O I：
10.1002/fld.1298
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
This work is concerned with the numerical simulation of two-dimensional viscoelastic free surface flows of a second-order fluid. The governing equations are solved by a finite difference technique based on the marker-and-cell philosophy. A staggered grid is employed and marker particles are used to represent the fluid free surface. Full details for the approximation of the free surface stress conditions are given. The resultant code is validated and convergence is demonstrated. Numerical simulations of the extrudate swell and flow through a planar 4:1 contraction for various values of the Deborah number are presented. Copyright (c) 2006 John Wiley & Sons, Ltd.
引用
收藏
页码：599 / 627
页数：29
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