MULTIGRID SOLUTION OF UNSTEADY NAVIER-STOKES EQUATIONS USING A PRESSURE METHOD

被引：9
|
作者：
JIANG, Y
CHEN, CP
TUCKER, PK
机构：
[1] UNIV ALABAMA,DEPT MECH ENGN,HUNTSVILLE,AL 35899
[2] NASA,GEORGE C MARSHALL SPACE FLIGHT CTR,COMPUTAT FLUID DYNAM BRANCH,HUNTSVILLE,AL 35812
来源：
NUMERICAL HEAT TRANSFER PART A-APPLICATIONS | 1991年 / 20卷 / 01期
基金：
美国国家航空航天局;
关键词：
D O I：
10.1080/10407789108944810
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
A multigrid relaxation method is applied to a pressure-based implicit procedure to solve the unsteady, incompressible Navier-Stokes equations. The present multigrid method is a correction scheme according to Brandt. This method is used to solve the scalar matrices resulting from the finite-volume formulation and uses flux averaging as the restriction operator. The accuracy and computational efficiency are demonstrated with a steady-state driven cavity flow and an unsteady flow over a circular cylinder case. The results are compared with single-grid results using the OrthoMin conjugate gradient method and experimental data.
引用
收藏
页码：81 / 93
页数：13
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