A DETERMINISTIC VORTEX SHEET METHOD FOR BOUNDARY-LAYER FLOW

被引：24
|
作者：
BERNARD, PS [1 ]
机构：
[1] UNIV MARYLAND,INST ADV COMP STUDIES,COLLEGE PK,MD 20742
来源：
JOURNAL OF COMPUTATIONAL PHYSICS | 1995年 / 117卷 / 01期
关键词：
D O I：
10.1006/jcph.1995.1051
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
A deterministic Vortex sheet method is derived for application to boundary layer flows. Diffusive vorticity exchange is through adaptation of a scheme proposed by Fishelov (J. Comput. Phys. 86, 211, 1990) to Vortex elements with a sheet-like structure. Special measures are taken to maintain the integrity of the Vortex sheet representation at inflow and solid boundaries. The flow domain is periodically regridded to ensure that it is well covered by Vortex elements. in calculations of a startup channel flow and zero-pressure gradient and stagnation boundary layers, smooth instantaneous realizations of the velocity field are achieved which closely match exact results. (C) 1995 Academic Press, Inc.
引用
收藏
页码：132 / 145
页数：14
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