Acta Mechanica Sinica

, Volume 32, Issue 1, pp 1–11 | Cite as

Large-eddy simulation of circular cylinder flow at subcritical Reynolds number: Turbulent wake and sound radiation

  • Li Guo
  • Xing Zhang
  • Guowei HeEmail author
Research Paper


The flows past a circular cylinder at Reynolds number 3900 are simulated using large-eddy simulation (LES) and the far-field sound is calculated from the LES results. A low dissipation energy-conserving finite volume scheme is used to discretize the incompressible Navier–Stokes equations. The dynamic global coefficient version of the Vreman’s subgrid scale (SGS) model is used to compute the sub-grid stresses. Curle’s integral of Lighthill’s acoustic analogy is used to extract the sound radiated from the cylinder. The profiles of mean velocity and turbulent fluctuations obtained are consistent with the previous experimental and computational results. The sound radiation at far field exhibits the characteristic of a dipole and directivity. The sound spectra display the \(-5/3\) power law. It is shown that Vreman’s SGS model in company with dynamic procedure is suitable for LES of turbulence generated noise.


Flows past circular cylinder Aerodynamic noise Large-eddy simulation Unstructured grid Acoustic analogy 



The authors would like to sincerely thank Prof. D You at Pohang University of Science and Technology for his discussion and advice for the present work. This work was supported by the National Natural Science Foundation of China (Grant 11232011).


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Copyright information

© The Chinese Society of Theoretical and Applied Mechanics; Institute of Mechanics, Chinese Academy of Sciences and Springer-Verlag Berlin Heidelberg 2015

Authors and Affiliations

  1. 1.China Academy of Aerospace AerodynamicsBeijingChina
  2. 2.State Key Laboratory of Non-linear Mechanics, Institute of MechanicsChinese Academy of SciencesBeijingChina

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