Flapping and bending bodies interacting with fluid flows

Michael J. Shelley, Jun Zhang

Research output: Contribution to journalArticlepeer-review


The flapping or bending of a flexible planar structure in a surrounding fluid flow, which includes the flapping of flags and the self-streamlining of flexible bodies, constitutes a central problem in the field of fluid-body interactions. Here we review recent, highly detailed experiments that reveal new nonlinear phenomena in these systems, as well as advances in theoretical understanding, resulting in large part from the rapid development of new simulation methods that fully capture the mutual coupling of fluids and flexible solids.

Original languageEnglish (US)
Pages (from-to)449-465
Number of pages17
JournalAnnual Review of Fluid Mechanics
StatePublished - Jan 21 2011


  • drag reduction
  • flags
  • flapping
  • flexible bodies
  • fluid-body interactions
  • flutter
  • instability

ASJC Scopus subject areas

  • Condensed Matter Physics


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