A STRATEGY FOR THE EFFICIENT SIMULATION OF VISCOUS COMPRESSIBLE FLOWS USING A MULTIDOMAIN PSEUDOSPECTRAL METHOD

被引：9

作者：

HANLEY, P

机构：

[1] University of Connecticut, Storrs, CT 06269-3139

来源：

JOURNAL OF COMPUTATIONAL PHYSICS | 1993年 / 108卷 / 01期

关键词：

D O I：

10.1006/jcph.1993.1170

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

A new multi-domain pseudospectral method is developed to simulate viscous compressible flow in a quasi-one-dimensional nozzle. The flow variables at the interface points are advanced in time using the same second-order time marching scheme as the interior points. The spatial derivatives of the inviscid flux vector are evaluated at the interface points using a spectrally accurate modification of Van Leer's flux vector splitting method. The derivatives of the viscous flux vector are evaluated alternately from neighboring sub-domains. The scheme is found to be spectrally accurate. Shock waves are resolved without oscillations for moderate Reynolds Numbers. © 1993 Academic Press. All rights reserved.

引用

页码：153 / 158

页数：6

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