High-order gas-kinetic scheme with parallel computation for direct numerical simulation of turbulent flows

Cao，Guiyu1,2; Pan，Liang3; Xu，Kun2,4

2022

10.1016/j.jcp.2021.110739

JOURNAL OF COMPUTATIONAL PHYSICS   影响因子和分区

0021-9991

1090-2716

The performance of high-order gas-kinetic scheme (HGKS) has been investigated for the direct numerical simulation (DNS) of isotropic compressible turbulence up to the supersonic regime [9]. Due to the multi-scale nature and coupled temporal-spatial evolution process, HGKS provides a valid tool for the numerical simulation of compressible turbulent flow. Based on the domain decomposition and message passing interface (MPI), a parallel HGKS code is developed for large-scale computation in this paper. The standard tests from the nearly incompressible flow to the supersonic one, including Taylor-Green vortex problem, turbulent channel flow and isotropic compressible turbulence, are presented to validate the parallel scalability, efficiency, accuracy and robustness of parallel implementation. The performance of HGKS for the nearly incompressible turbulence is comparable with the high-order finite difference scheme, including the resolution of flow structure and efficiency of computation. Based on the accuracy of the numerical solution, the numerical dissipation of the scheme in the turbulence simulation is quantitatively evaluated. Meanwhile, based on the kinetic formulation HGKS shows advantage for supersonic turbulent flow simulation with its accuracy and robustness. The current work demonstrates the capability of HGKS as a powerful DNS tool from the low speed to supersonic turbulence study, which is less reported under the framework of finite volume scheme.

Direct numerical simulation of turbulence High-order gas-kinetic scheme Parallel computation

SCI ; EI

英语

第一

National Natural Science Foundation of China[91852114,11701038,11772281]

Computer Science ; Physics

Computer Science, Interdisciplinary Applications ; Physics, Mathematical

WOS:000724807400003

ACADEMIC PRESS INC ELSEVIER SCIENCE

20214110997308

Channel flow ; Domain decomposition methods ; Efficiency ; Finite difference method ; Incompressible flow ; Kinetics ; Message passing ; Numerical models ; Turbulence ; Turbulent flow ; Wall flow

Fluid Flow, General:631.1 ; Computer Programming:723.1 ; Data Processing and Image Processing:723.2 ; Computer Applications:723.5 ; Production Engineering:913.1 ; Mathematics:921 ; Numerical Methods:921.6 ; Classical Physics; Quantum Theory; Relativity:931

PHYSICS

2-s2.0-85116601307

Scopus

1.Academy for Advanced Interdisciplinary Studies,Southern University of Science and Technology,Shenzhen,China
2.Department of Mathematics,Hong Kong University of Science and Technology,Kowloon,Clear Water Bay,Hong Kong
3.Laboratory of Mathematics and Complex Systems,School of Mathematical Sciences,Beijing Normal University,Beijing,China
4.Shenzhen Research Institute,Hong Kong University of Science and Technology,Shenzhen,China

Cao，Guiyu,Pan，Liang,Xu，Kun. High-order gas-kinetic scheme with parallel computation for direct numerical simulation of turbulent flows[J]. JOURNAL OF COMPUTATIONAL PHYSICS,2022,448.

Cao，Guiyu,Pan，Liang,&Xu，Kun.(2022).High-order gas-kinetic scheme with parallel computation for direct numerical simulation of turbulent flows.JOURNAL OF COMPUTATIONAL PHYSICS,448.

Cao，Guiyu,et al."High-order gas-kinetic scheme with parallel computation for direct numerical simulation of turbulent flows".JOURNAL OF COMPUTATIONAL PHYSICS 448(2022).