Journal
JOURNAL OF THE ROYAL SOCIETY INTERFACE
Volume 11, Issue 92, Pages -Publisher
ROYAL SOC
DOI: 10.1098/rsif.2013.0884
Keywords
synthetic flagella; active filament; follower forces
Categories
Funding
- MacArthur Foundation
- [NSF-MRSEC-0820492]
- Office of Advanced Cyberinfrastructure (OAC)
- Direct For Computer & Info Scie & Enginr [0910735] Funding Source: National Science Foundation
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We show that active, self-propelled particles that are connected together to form a single chain that is anchored at one end can produce the graceful beating motions of flagella. Changing the boundary condition from a clamp to a pivot at the anchor leads to steadily rotating tight coils. Strong noise in the system disrupts the regularity of the oscillations. We use a combination of detailed numerical simulations, mean-field scaling analysis and first passage time theory to characterize the phase diagram as a function of the filament length, passive elasticity, propulsion force and noise. Our study suggests minimal experimental tests for the onset of oscillations in an active polar chain.
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