Wind and Structures

  • 제6권6호
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  • Pages.419-436
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  • 2003
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  • 1226-6116(pISSN)
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  • 1598-6225(eISSN)
테크노프레스 (Techno-Press)
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DOI QR코드

DOI QR Code

Large eddy simulations of the flow around a circular cylinder: effects of grid resolution and subgrid scale modeling

  • Salvatici, E. (Dipartimento di Ingegneria Aerospaziale, Universita di Pisa) ;
  • Salvetti, M.V. (Dipartimento di Ingegneria Aerospaziale, Universita di Pisa)
  • 투고 : 2002.11.30
  • 심사 : 2003.08.06
  • 발행 : 2003.12.25
⟨ 이전 논문 다음 논문 ⟩

초록

Large-eddy simulations of the flow around a circular cylinder at a Reynolds number, based on cylinder diameter and free-stream velocity, $Re_D=2{\times}10^4$ are presented. Three different dynamic subgrid-scale models are used, viz. the dynamic eddy-viscosity model and two different mixed two-parameter models. The sensitivity to grid refinement in the spanwise and radial directions is systematically investigated. For the highest resolution considered, the effects of subgrid-scale modeling are also discussed in detail. In particular, it is shown that SGS modeling has a significant influence on the low-frequency modulations of the aerodynamics loads, which are related to significant changes in the near wake structure.

키워드

참고문헌

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피인용 문헌

  1. Variational multiscale large-eddy simulations of the flow past a circular cylinder: Reynolds number effects vol.47, pp.1, 2011, https://doi.org/10.1016/j.compfluid.2011.02.011
  2. Impact of dynamic subgrid-scale modeling in variational multiscale large-eddy simulation of bluff-body flows vol.225, pp.12, 2014, https://doi.org/10.1007/s00707-014-1112-6
  3. Evolution of an eroding cylinder in single and lattice arrangements vol.70, 2017, https://doi.org/10.1016/j.jfluidstructs.2017.01.011
  4. Large-Eddy Simulation of the Flow Over a Circular Cylinder at Reynolds Number 2 × 104 vol.92, pp.3, 2014, https://doi.org/10.1007/s10494-013-9509-1
  5. Numerical determination of wind forces acting on structural elements in the shape of a curved pipe vol.30, pp.1, 2003, https://doi.org/10.12989/was.2020.30.1.015
  6. Stokes flow and heat transfer past a circular cylinder in a square cavity with suction/injection on opposite-side walls vol.2, pp.3, 2003, https://doi.org/10.1007/s42452-020-2250-1
  7. Stokes flow and heat transfer past a circular cylinder in a square cavity with suction/injection on sidewalls vol.49, pp.6, 2003, https://doi.org/10.1002/htj.21776