NUMERICAL COMPUTATION OF UNSTEADY INCOMPRESSIBLE-FLOW IN COMPLEX-GEOMETRY USING A COMPOSITE MULTIGRID TECHNIQUE

被引:39
作者
HINATSU, M [1 ]
FERZIGER, JH [1 ]
机构
[1] STANFORD UNIV,DEPT MECH ENGN,DIV THERMOSCI,STANFORD,CA 94305
关键词
UNSTEADY NAVIER-STOKES; COMPOSITE MULTIGRID METHOD; FRACTIONAL STEP METHOD; STAGGERED GRID;
D O I
10.1002/fld.1650130804
中图分类号
TP39 [计算机的应用];
学科分类号
081203 ; 0835 ;
摘要
This paper presents a composite multigrid method and its application to a geometrically complex flow. The treatment of the interior boundary conditions within a composite multigrid strategy is described in detail for a 1D model equation. For the Navier-Stokes equations a staggered grid technique is adopted for spatial discretization and a fractional step method is used for the time advance. Lid-driven cavity flows are used to demonstrate the effectiveness of the method.
引用
收藏
页码:971 / 997
页数:27
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