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SUMMARY:Optimisation of chiral structures for micro-scale propulsion - Kea
 veny\, E (Imperial College London)
DTSTART:20130624T104500Z
DTEND:20130624T113000Z
UID:TALK45866@talks.cam.ac.uk
CONTACT:Mustapha Amrani
DESCRIPTION:In micron-scale hydrodynamics\, shape and geometry play a stro
 ng role in determining the speed at which a body can move through fluid. T
 his shape dependence is particularly important to the design of many micro
 fluidic devices\, including magnetically actuated micro-structures fabrica
 ted and studied for biomedical applications. In this talk\, I will discuss
  several important experimentally-realisable micro-structures whose shapes
  couple their rotations and translations. I will address the optimal desig
 n of these devices through an infinite-dimensional optimisation problem\, 
 obtaining geometries that maximise speed for a given applied torque. Our o
 ptimisations show that attached payloads have a significant effect on opti
 mal micro-structure shapes and current designs can be improved by upwards 
 of 450%.\n
LOCATION:Seminar Room 1\, Newton Institute
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