Wind and Structures

  • 제13권2호
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  • Pages.169-189
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  • 2010
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  • 1226-6116(pISSN)
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  • 1598-6225(eISSN)
테크노프레스 (Techno-Press)
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CFD modelling of free-flight and auto-rotation of plate type debris

  • Kakimpa, B. (Department of Civil Engineering, The University of Nottingham) ;
  • Hargreaves, D.M. (Department of Civil Engineering, The University of Nottingham) ;
  • Owen, J.S. (Department of Civil Engineering, The University of Nottingham) ;
  • Martinez-Vazquez, P. (School of Civil Engineering, The University of Birmingham) ;
  • Baker, C.J. (School of Civil Engineering, The University of Birmingham) ;
  • Sterling, M. (School of Civil Engineering, The University of Birmingham) ;
  • Quinn, A.D. (School of Civil Engineering, The University of Birmingham)
  • 투고 : 2009.09.18
  • 심사 : 2010.01.02
  • 발행 : 2010.03.25
⟨ 이전 논문 다음 논문 ⟩

초록

This paper describes the use of coupled Computational Fluid Dynamics (CFD) and Rigid Body Dynamics (RBD) in modelling the aerodynamic behaviour of wind-borne plate type objects. Unsteady 2D and 3D Reynolds Averaged Navier-Stokes (RANS) CFD models are used to simulate the unsteady and non-uniform flow field surrounding static, forced rotating, auto-rotating and free-flying plates. The auto-rotation phenomenon itself is strongly influenced by vortex shedding, and the realisable k-epsilon turbulence modelling approach is used, with a second order implicit time advancement scheme and equal or higher order advection schemes for the flow variables. Sequentially coupling the CFD code with a RBD solver allows a more detailed modelling of the Fluid-Structure Interaction (FSI) behaviour of the plate and how this influences plate motion. The results are compared against wind tunnel experiments on auto-rotating plates and an existing 3D analytical model.

키워드

참고문헌

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  3. The computational fluid dynamics modelling of the autorotation of square, flat plates vol.46, 2014, https://doi.org/10.1016/j.jfluidstructs.2013.12.006
  4. Large-eddy simulations of an autorotating square flat plate vol.40, pp.13-14, 2016, https://doi.org/10.1016/j.apm.2016.01.058
  5. Fragility curves for building envelope components subject to windborne debris impact vol.107-108, 2012, https://doi.org/10.1016/j.jweia.2012.05.005
  6. Pressure field of a rotating square plate with application to windborne debris vol.15, pp.6, 2012, https://doi.org/10.12989/was.2012.15.6.509
  7. Numerical study on extracting energy efficiency by autorotation of elliptic cylinder from low velocity flow vol.163, pp.1755-1315, 2018, https://doi.org/10.1088/1755-1315/163/1/012011
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