CFD modelling of free-flight and auto-rotation of plate type debris

B Kakimpa, Pedro Martinez-Vazquez, DM Hargreaves, JS Owen, Christopher Baker, Mark Sterling, Andrew Quinn

Research output: Contribution to journalArticle

12 Citations (Scopus)


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 21) and 3D Reynolds Averaged Navier-Stokes (RAMS) 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 cm auto-rotating plates and an existing 3D analytical model.
Original languageEnglish
Pages (from-to)169-189
Number of pages21
JournalWind and Structures
Issue number2
Publication statusPublished - 1 Mar 2010


  • fluid-structure interaction
  • autorotation
  • windborne debris
  • CFD


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