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SUMMARY:An application of Fast FCM: swimming with emergent cilia coordinat
 ion - Hang Su\, Imperial College London
DTSTART:20240111T130000Z
DTEND:20240111T140000Z
UID:TALK207943@talks.cam.ac.uk
CONTACT:Marco Vona
DESCRIPTION:The coordinated movement of cilia is used by cells to manipula
 te surrounding fluids\, with a notable and well-studied example being prop
 ulsion by microorganisms. We develop a filament oscillator model that is a
 ble to treat both emergence and propulsion simultaneously and use it to ex
 amine the swimming of a sphere covered in thousands of cilia. To accelerat
 e the computation of the fluid-structure interactions involved\, we develo
 p a fast implementation of the force-coupling method (FCM) in which the ac
 tion of the mobility matrix is split between a global\, grid-based computa
 tion involving a modified FCM kernel\, and a local pairwise correction. In
  the first part of the talk\, I will walk through the fast FCM solver\; in
  the second part of the talk\, I will introduce  the filament oscillator m
 odel and present preliminary simulation results.
LOCATION:MR15\,  Centre for Mathematical Sciences\, Wilberforce Road\, Cam
 bridge
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