Optimal Hydrodynamic Synchronization of Colloidal Rotors

Jurij Kotar; Luke J Debono; Nicolas Bruot; Stuart J Box; David B Phillips; Stephen H Simpson; Simon Hanna; Pietro Cicuta

doi:10.1103/PhysRevLett.111.228103

Optimal Hydrodynamic Synchronization of Colloidal Rotors

Jurij Kotar, Luke J Debono, Nicolas Bruot, Stuart J Box, David B Phillips, Stephen H Simpson, Simon Hanna, Pietro Cicuta

School of Physics

Research output: Contribution to journal › Article (Academic Journal) › peer-review

56 Citations (Scopus)

Abstract

Synchronization of driven oscillators is a key aspect of flow generation in artificial and biological filaments such as cilia. Previous theoretical and numerical studies have considered the "rotor'' model of a cilium in which the filament is coarse grained into a colloidal sphere driven with a given force law along a predefined trajectory to represent the oscillating motion of the cilium. These studies pointed to the importance of two factors in the emergence of synchronization: the modulation of the driving force around the orbit and the deformability of the trajectory. In this work it is shown via experiments, supported by numerical simulations and theory, that both of these factors are important and can be combined to produce strong synchronization (within a few cycles) even in the presence of thermal noise.

Original language	English
Article number	228103
Number of pages	5
Journal	Physical Review Letters
Volume	111
Issue number	22
DOIs	https://doi.org/10.1103/PhysRevLett.111.228103
Publication status	Published - Nov 2013

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title = "Optimal Hydrodynamic Synchronization of Colloidal Rotors",

abstract = "Synchronization of driven oscillators is a key aspect of flow generation in artificial and biological filaments such as cilia. Previous theoretical and numerical studies have considered the {"}rotor'' model of a cilium in which the filament is coarse grained into a colloidal sphere driven with a given force law along a predefined trajectory to represent the oscillating motion of the cilium. These studies pointed to the importance of two factors in the emergence of synchronization: the modulation of the driving force around the orbit and the deformability of the trajectory. In this work it is shown via experiments, supported by numerical simulations and theory, that both of these factors are important and can be combined to produce strong synchronization (within a few cycles) even in the presence of thermal noise.",

author = "Jurij Kotar and Debono, {Luke J} and Nicolas Bruot and Box, {Stuart J} and Phillips, {David B} and Simpson, {Stephen H} and Simon Hanna and Pietro Cicuta",

year = "2013",

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doi = "10.1103/PhysRevLett.111.228103",

language = "English",

volume = "111",

journal = "Physical Review Letters",

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T1 - Optimal Hydrodynamic Synchronization of Colloidal Rotors

AU - Kotar, Jurij

AU - Debono, Luke J

AU - Bruot, Nicolas

AU - Box, Stuart J

AU - Phillips, David B

AU - Simpson, Stephen H

AU - Hanna, Simon

AU - Cicuta, Pietro

PY - 2013/11

Y1 - 2013/11

N2 - Synchronization of driven oscillators is a key aspect of flow generation in artificial and biological filaments such as cilia. Previous theoretical and numerical studies have considered the "rotor'' model of a cilium in which the filament is coarse grained into a colloidal sphere driven with a given force law along a predefined trajectory to represent the oscillating motion of the cilium. These studies pointed to the importance of two factors in the emergence of synchronization: the modulation of the driving force around the orbit and the deformability of the trajectory. In this work it is shown via experiments, supported by numerical simulations and theory, that both of these factors are important and can be combined to produce strong synchronization (within a few cycles) even in the presence of thermal noise.

AB - Synchronization of driven oscillators is a key aspect of flow generation in artificial and biological filaments such as cilia. Previous theoretical and numerical studies have considered the "rotor'' model of a cilium in which the filament is coarse grained into a colloidal sphere driven with a given force law along a predefined trajectory to represent the oscillating motion of the cilium. These studies pointed to the importance of two factors in the emergence of synchronization: the modulation of the driving force around the orbit and the deformability of the trajectory. In this work it is shown via experiments, supported by numerical simulations and theory, that both of these factors are important and can be combined to produce strong synchronization (within a few cycles) even in the presence of thermal noise.

U2 - 10.1103/PhysRevLett.111.228103

DO - 10.1103/PhysRevLett.111.228103

M3 - Article (Academic Journal)

C2 - 24329473

SN - 1079-7114

VL - 111

JO - Physical Review Letters

JF - Physical Review Letters

IS - 22

M1 - 228103

ER -

Optimal Hydrodynamic Synchronization of Colloidal Rotors

Abstract

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TRANSLATING THE DYNAMIC HOLOGRAPHIC ASSEMBLER

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HPC (High Performance Computing) and HTC (High Throughput Computing) Facilities

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