Modelling of Polymer Flows by Lattice-Boltzmann Method

被引：1
|
作者：
Vikhansky, Alexander [1 ]
机构：
[1] Univ London, Sch Engn & Mat Sci, London E1 4NS, England
来源：
NOVEL TRENDS IN RHEOLOGY IV | 2011年 / 1375卷
关键词：
Lattice-Boltzmann method; Non-Newtonian fluids;
D O I：
10.1063/1.3604469
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
A novel generalized Newtonian model has been implemented in a lattice-Boltzmann (LB) algorithm. Viscosity is given as a function of the principal invariants of the deformation rate tensor. The collision term of the LB method is linked to the second moment of the velocity distribution via a non-linear algebraic equation. It is shown that this equation can be efficiently solved for an arbitrary rheological law.
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页数：7
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