Numerical simulation of compressible turbulent flow via improved gas-kinetic BGK scheme

Shengwei Xiong; Chengwen Zhong; Congshan Zhuo; Kai Li; Xiaopeng Chen; Jun Cao

doi:10.1002/fld.2449

Numerical simulation of compressible turbulent flow via improved gas-kinetic BGK scheme

Shengwei Xiong, Chengwen Zhong, Congshan Zhuo, Kai Li, Xiaopeng Chen, Jun Cao

航空学院

科研成果: 期刊稿件 › 文章 › 同行评审

22 引用（Scopus）

摘要

In order to solve compressible turbulent flow problems, this study focuses on incorporating the Spalart-Allmaras turbulence model into gas-kinetic BGK (Bhatnagar-Gross-Krook) scheme. The Spalart-Allmaras turbulence model is solved using finite difference discretization. The variables on the cell interface are interpolated via the van Leer limiter in the reconstruction stage. Simulation of subsonic and transonic flow over a NACA0012 airfoil has been implemented using two-dimensional body-fitted grids. The numerical results obtained appear in good agreement with the AGARD results, demonstrating the effectiveness and usefulness of the strategy of coupling the Spalart-Allmaras turbulence model with the BGK scheme for compressible turbulent flow simulation.

源语言	英语
页（从-至）	1833-1847
页数	15
期刊	International Journal for Numerical Methods in Fluids
卷	67
期	12
DOI	https://doi.org/10.1002/fld.2449
出版状态	已出版 - 30 12月 2011

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title = "Numerical simulation of compressible turbulent flow via improved gas-kinetic BGK scheme",

abstract = "In order to solve compressible turbulent flow problems, this study focuses on incorporating the Spalart-Allmaras turbulence model into gas-kinetic BGK (Bhatnagar-Gross-Krook) scheme. The Spalart-Allmaras turbulence model is solved using finite difference discretization. The variables on the cell interface are interpolated via the van Leer limiter in the reconstruction stage. Simulation of subsonic and transonic flow over a NACA0012 airfoil has been implemented using two-dimensional body-fitted grids. The numerical results obtained appear in good agreement with the AGARD results, demonstrating the effectiveness and usefulness of the strategy of coupling the Spalart-Allmaras turbulence model with the BGK scheme for compressible turbulent flow simulation.",

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author = "Shengwei Xiong and Chengwen Zhong and Congshan Zhuo and Kai Li and Xiaopeng Chen and Jun Cao",

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T1 - Numerical simulation of compressible turbulent flow via improved gas-kinetic BGK scheme

AU - Xiong, Shengwei

AU - Zhong, Chengwen

AU - Zhuo, Congshan

AU - Li, Kai

AU - Chen, Xiaopeng

AU - Cao, Jun

PY - 2011/12/30

Y1 - 2011/12/30

N2 - In order to solve compressible turbulent flow problems, this study focuses on incorporating the Spalart-Allmaras turbulence model into gas-kinetic BGK (Bhatnagar-Gross-Krook) scheme. The Spalart-Allmaras turbulence model is solved using finite difference discretization. The variables on the cell interface are interpolated via the van Leer limiter in the reconstruction stage. Simulation of subsonic and transonic flow over a NACA0012 airfoil has been implemented using two-dimensional body-fitted grids. The numerical results obtained appear in good agreement with the AGARD results, demonstrating the effectiveness and usefulness of the strategy of coupling the Spalart-Allmaras turbulence model with the BGK scheme for compressible turbulent flow simulation.

AB - In order to solve compressible turbulent flow problems, this study focuses on incorporating the Spalart-Allmaras turbulence model into gas-kinetic BGK (Bhatnagar-Gross-Krook) scheme. The Spalart-Allmaras turbulence model is solved using finite difference discretization. The variables on the cell interface are interpolated via the van Leer limiter in the reconstruction stage. Simulation of subsonic and transonic flow over a NACA0012 airfoil has been implemented using two-dimensional body-fitted grids. The numerical results obtained appear in good agreement with the AGARD results, demonstrating the effectiveness and usefulness of the strategy of coupling the Spalart-Allmaras turbulence model with the BGK scheme for compressible turbulent flow simulation.

KW - Compressible turbulent flow

KW - Gas-kinetic BGK scheme

KW - NACA0012 airfoil

KW - Spalart-Allmaras model

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Numerical simulation of compressible turbulent flow via improved gas-kinetic BGK scheme

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