Viscoelastic flow in a two-dimensional collapsible channel

被引：14

作者：

Chakraborty, Debadi ^{[1
]}

Bajaj, Mohit ^{[2
]}

Yeo, Leslie ^{[2
]}

Friend, James ^{[2
]}

Pasquali, Matteo ^{[3
]}

Prakash, J. Ravi ^{[1
]}

机构：

[1] Monash Univ, Dept Chem Engn, Melbourne, Vic 3800, Australia

[2] Monash Univ, Dept Mech Engn, Melbourne, Vic 3800, Australia

[3] Rice Univ, Dept Chem & Biomol Engn, Houston, TX 77005 USA

来源：

JOURNAL OF NON-NEWTONIAN FLUID MECHANICS | 2010年 / 165卷 / 19-20期

基金：

澳大利亚研究理事会; 美国国家科学基金会;

关键词：

Two-dimensional collapsible channel flow; Viscoelastic fluid flow; Fluid-structure interactions; Blood flow; Conformation tensor models; Finite element method; NONHOMOGENEOUS CONSTITUTIVE MODEL; FREE-SURFACE FLOWS; NUMERICAL-SIMULATION; BLOOD RHEOLOGY; STEADY FLOW; HYSTERESIS; BEHAVIOR; STRESS; STOKES; SHEAR;

D O I：

10.1016/j.jnnfm.2010.06.005

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

We compute the flow of three viscoelastic fluids (Oldroyd-B, FENE-P, and Owens blood model) in a two-dimensional channel partly bounded by a tensioned membrane, a benchmark geometry for fluid-structure interactions. The predicted flow patterns are compared to those of a Newtonian liquid. We find that computations fail beyond a limiting Weissenberg number. Flow fields and membrane shape differ significantly because of the different degree of shear thinning and molecular extensibility underlying the three different microstructural models. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：1204 / 1218

页数：15

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