Spectral Element Methods for Transitional Flows in Complex Geometries

被引：72
|
作者：
Fischer, Paul F. [1 ]
Kruse, Gerald W. [2 ]
Loth, Francis [3 ]
机构：
[1] Argonne Natl Lab, Div Math & Comp Sci, Argonne, IL 60439 USA
[2] Juniata Coll, Dept Math & Comp Sci, Huntingdon, PA 16652 USA
[3] Univ Illinois, Dept Mech Engn, Chicago, IL 60607 USA
来源：
JOURNAL OF SCIENTIFIC COMPUTING | 2002年 / 17卷 / 1-4期
关键词：
Spectral elements; incompressible Navier-Stokes; filtering; biofluid dynamics; nonconforming methods;
D O I：
10.1023/A:1015188211796
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
We describe the development and implementation of an efficient spectral element code for simulating transitional flows in complex three-dimensional domains. Critical to this effort is the use of geometrically nonconforming elements that allow localized refinement in regions of interest, coupled with a stabilized high-order time-split formulation of the semi-discrete Navier-Stokes equations. Simulations of transition in a model of an arteriovenous graft illustrate the potential of this approach in biomechanical applications.
引用
收藏
页码：81 / 98
页数：18
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