Low diffusion E-CUSP scheme with implicit high order WENO scheme for preconditioned Navier-Stokes equations

被引：5

作者：

Shen, Yiqing ^{[2
]}

Zha, Gecheng ^{[1
]}

机构：

[1] Univ Miami, Dept Mech & Aerosp Engn, Coral Gables, FL 33124 USA

[2] Chinese Acad Sci, LHD, Inst Mech, Beijing 100190, Peoples R China

来源：

COMPUTERS & FLUIDS | 2012年 / 55卷

关键词：

Preconditioing; WENO scheme; All flow speeds; Incompressible flows; Compressible flows; FLUX-SPLITTING METHODS; COMPRESSIBLE FLOWS; COMPUTATION; ACCURATE; SIMULATIONS; SEQUEL; AUSM;

D O I：

10.1016/j.compfluid.2011.10.013

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

A low diffusion E-CUSP (LDE) scheme for preconditioned Navier-Stokes equations is developed. The LDE scheme with high-order WENO reconstruction and high order difference scheme for viscous terms is used to simulate several flows at various speed from low speed natural convection to supersonic flows. The unfactored implicit Gauss-Seidel relaxation scheme, in which the preconditioned Roe's matrices are used, is used for time integration. Numerical results are presented to show efficiency, accuracy and robustness of the new preconditioning scheme. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：13 / 23

页数：11

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