Combination of the immersed boundary method with compact schemes for DNS of flows in complex geometry

被引：0

作者：

Parnaudeau, Philippe ^{[1
]}

Lamballais, Eric ^{[1
]}

Heitz, Dominique ^{[1
]}

Silvestrini, Jorge H. ^{[1
]}

机构：

[1] Univ Poitiers, CNRS, UMR 6609, Lab Etud Aerodynam, F-86862 Futuroscope, France

来源：

Direct and Large-Eddy Simulation V, Proceedings | 2004年 / 9卷

关键词：

D O I：

暂无

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

We present a direct forcing method better suited for the use of compact finite difference schemes in Direct Numerical Simulation. The new forcing creates inside the body an artificial flow preserving the no-slip condition at the surface but reducing the step-like change of the velocity derivatives across the immersed boundary. This modification is shown to improve results both qualitatively and quantitatively for conventional and complex flow geometries.

引用

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页码：581 / 590

页数：10

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