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Gas-Kinetic Scheme for Multiscale Turbulence Simulation

  • Shuang Tan
  • Qibing LiEmail author
  • Song Fu
Conference paper
Part of the Notes on Numerical Fluid Mechanics and Multidisciplinary Design book series (NNFM, volume 137)

Abstract

Based on the extended BGK equation, the gas-kinetic scheme (GKS) is developed for fine simulation of high-Reynolds-number turbulence. With the help of existing hybrid RANS/LES models to approximate the effective relaxation time, two extended schemes, GKS-DES/IDDES are constructed and show good performances in typical turbulent flow around a cylinder with \(\text {Re}_D=3900\). Furtherly, a new multiscale method MS-GKS is proposed based on the multiscale evolving solution of extended BGK equation and preliminary tests reveal its strong competitiveness compared with IDDES.

Notes

Acknowledgements

The author would like to acknowledge the technical support of Lvliang Cloud Computing Center, PARATERA and the “Explorer 100” cluster system of Tsinghua National Laboratory for Information Science and Technology. This work is supported by the National Natural Science Foundation of China (11672158, 11172154, 10932005), National Key Basic Research and Development Program (2014CB744100) and Special Program for Applied Research on Super Computation of the NSFC-Guangdong Joint Fund (the second phase).

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Copyright information

© Springer International Publishing AG 2018

Authors and Affiliations

  1. 1.Department of Engineering MechanicsTsinghua UniversityBeijingChina

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