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SUMMARY:Vibrating cables &amp\; flapping flags: classical fluid-solid inst
 abilities or energy sources? - Prof. Sébastien Michelin. Ecole Polytechni
 que (LadHyX)
DTSTART:20170509T123000Z
DTEND:20170509T133000Z
UID:TALK72174@talks.cam.ac.uk
CONTACT:Garazi Gomez-de-Segura
DESCRIPTION:The coupling of engineering structures with the wind or water 
 currents flowing around them can generate so-called flow-induced vibration
 s\, resulting in periodic and often large solid displacements and deformat
 ions. Until recently\, such vibrations have been mostly studied from a con
 trol or stability point of view\, to avoid or mitigate the resulting struc
 tural damage and fatigue. Yet recently\, a new light is being shed on such
  fluid-solid interactions (FSI) as potential energy harvesting mechanisms 
 to exploit the underlying energy transfer to power a generator. Here\, we 
 will present some of our recent work on two classical FSI problems (VIV of
  flexible cables and flapping flexible flags) as energy harvesting systems
 \, highlighting fundamental principles regarding the efficiency of such sy
 stems and their optimisation.
LOCATION:JDB Seminar Room\, CUED
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