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Thursday 11 January 2024, 13:00-14:00
An application of Fast FCM: swimming with emergent cilia coordination
- đ¤ Speaker: Hang Su, Imperial College London đ Website
- đ Date & Time: Thursday 11 January 2024, 13:00 - 14:00
- đ Venue: MR15, Centre for Mathematical Sciences, Wilberforce Road, Cambridge
Abstract
The coordinated movement of cilia is used by cells to manipulate surrounding fluids, with a notable and well-studied example being propulsion by microorganisms. We develop a filament oscillator model that is able to treat both emergence and propulsion simultaneously and use it to examine the swimming of a sphere covered in thousands of cilia. To accelerate the computation of the fluid-structure interactions involved, we develop a fast implementation of the force-coupling method (FCM) in which the action of the mobility matrix is split between a global, grid-based computation 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 model and present preliminary simulation results.
Series This talk is part of the DAMTP BioLunch series.
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