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    • Vortex shedding and hovering of a rigid body in an oscillating flow 

      Liu, Bin; Weathers, Annie; Childress, Stephen; Zhang, Jun (2009-10-16)
      The fluid dynamics video shows rigid, spatially asymmetric bodies interacting with oscillating background flows. A free rigid object, here a hollow "pyramid," can hover quite stably against gravity in the oscillating ...