A method for solving compressible flow equations in an unsteady free stream

被引：2

作者：

Karabasov, SA ^{[1
]}

Hynes, TP ^{[1
]}

机构：

[1] Univ Cambridge, Dept Engn, Whittle Lab, Cambridge CB3 0DY, England

来源：

PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE | 2006年 / 220卷 / 02期

关键词：

computational fluid dynamics; computational aeroacoustics; finite-volume methods with constrains; transonic helicopter noise;

D O I：

10.1243/09544062C03105

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

The paper presents a method to increase the computational accuracy by preserving additional constraints on the numerical solution. The new technique can noticeably increase the precision of a standard finite-volume flow solver by a modification to the flux computation procedure without changing its essential features. The efficiency of this method is demonstrated by application to the prediction of sound from high-speed helicopter blades. Several open domain boundary conditions for this application are also developed and compared for a model problem of a two-dimensional transonic aerofoil in an unsteady free stream.

引用

页码：185 / 202

页数：18

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