Microhydrodynamics of driven and active filaments[HBNI Th113]

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Microhydrodynamics of driven and active filaments[HBNI Th113]

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Title: Microhydrodynamics of driven and active filaments[HBNI Th113]
Author: Abhrajit Laskar
Advisor: Ronojoy Adhikari
Degree: Ph.D
Main Subjects: Physics
Institution: HBNI
Year: 2016
Pages: 132p.
Abstract: In this thesis, we develop and apply a formalism applicable to the study of active slender bodies in the micro-hydrodynamic regime. Considering elasticity of the slender body, Brownian motion, activity at the fluid-structure interface and many-body hydrodynamic interaction, we present a general theory of active filaments. Then, we study the spontaneous motion of a minimal active filament which is force-free and torque-tree. Thereafter, the dynamic response of the active filament in an external field is studied in detail. We further propose a new method of synthesising a motile micromotor by assembling a passive elastic filament with an active bead. We conclude the thesis with our study on the emergent behaviour of active rods near a wall.
URI: http://hdl.handle.net/123456789/400

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