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

页码：81 / 98

页数：18

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