一种新的混合AUSM+ Liou格式:混合Van Leer通量分裂的扩展

Comptes Rendus de l'Académie des Sciences - Series IIB - Mechanics-Physics-Chemistry-Astronomy Pub Date : 1998-01-01 DOI:10.1016/S1251-8069(97)86946-1

Pascal Ferrand, Stéphane Aubert

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引用次数: 2

摘要

逆风方案适用于无粘跨声速流动，但不适用于粘性流动。中央计划的情况正好相反。本文提出了一种将中心方案与逆风方案相结合的新方法。选择Liou的通量分裂来定义这种新的混合AUSM+ Liou格式。在超声速粘性结构下得到的结果，与其他方案的结果和半经验结果进行了比较。这些计算表明了这种方法的好处。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A new mixed AUSM+ Liou scheme: an extension of the mixed Van Leer flux splitting

The upwind schemes are well suited to inviscid transonic flow but not to viscous flow. It is the opposite for central schemes. This paper presents a new approach which combines the central scheme and the upwind scheme. Liou's flux splitting is selected to define this new mixed AUSM⁺ Liou scheme. The results, obtained on supersonic viscous configuration, are compared to other schemes' results and to semi-empirical results. These calculations show the benefit of the present approach.

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Comptes Rendus de l'Académie des Sciences - Series IIB - Mechanics-Physics-Chemistry-Astronomy

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