Large-eddy simulation of supersonic compression-ramp flow by high-order method

被引：65

作者：

Rizzetta, DP ^{[1
]}

Visbal, MR ^{[1
]}

Gaitonde, DV ^{[1
]}

机构：

[1] USAF, Aeronaut Sci Div, Computat Sci Branch, Res Lab, Wright Patterson AFB, OH 45433 USA

来源：

AIAA JOURNAL | 2001年 / 39卷 / 12期

关键词：

D O I：

10.2514/2.1266

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

A high-order method is used to perform large-eddy simulations of a supersonic compression-ramp flowfield. The procedure employs an implicit approximately factored finite difference algorithm, which is used in conjunction with a 10th-order nondispersive filter. Spatial derivatives are approximated by a sixth-order compact scheme, and Newton-like subiterations are applied to achieve second-order temporal accuracy. In the region of strong shock waves, the compact differencing of convective fluxes is replaced locally by an upwind-biased scheme. Both the Smagorinsky and dynamic subgrid-scale stress models are incorporated in the simulations. Details of the method are summarized, and a number of computations are carried out. Comparisons are made between the respective solutions as well as with available experimental data and with previous numerical results.

引用

页码：2283 / 2292

页数：10

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