Natural convection flow in a tall enclosure using a multigrid method

被引：10
|
作者：
Ben Cheikh, Nader [1 ]
Ben Beya, Brahim [1 ]
Lili, Taieb [1 ]
机构：
[1] Fac Sci Tunis, Dept Phys, El Manar II 2092, Tunisia
来源：
COMPTES RENDUS MECANIQUE | 2007年 / 335卷 / 02期
关键词：
computational fluid mechanics; natural convection flow; multigrid technique;
D O I：
10.1016/j.crme.2007.01.004
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
A two-dimensional numerical study of natural convection flow in an air filled enclosure of aspect ratio A = 9 is investigated in this Note. The numerical method is based on a second order finite volume scheme and a projection method. A full multigrid technique is used to accelerate the convergence of the Poisson pressure equation. The multigrid procedure is briefly described and the critical Rayleigh number above which the flow becomes unsteady is determined.
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页码：113 / 118
页数：6
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