537 citations · 861 across the 22 of their papers we have counts for
5 papers · 1 filter
Two-sphere low Reynold's propeller
Ali Najafi, Rojman Zargar
A three-dimensional model of a low-Reynold's swimmer is introduced and analyzed in this paper. This model consists of two large and small spheres connected by two perpendicular thi…
Hydrodynamic Interactions of Spherical Particles in A Fluid Confined by A Rough And No-Slip Wall
Somaye Hosseini Rad, Ali najafi
In this article we develop a theoretical framework to study the hydrodynamic interactions in the presence of a non-flat and no-slip boundary. We calculate the influence of a small…
Hydrodynamics of a Micro-Hunter: Chemotactic Scenario
Ali Najafi
Inspired by bacterial chemotaxis we propose a hydrodynamic molecular scale hunter that can swim and find its target. The system is essentially a stochastic low Reynolds swimmer wit…
Coherent Hydrodynamic Coupling for Stochastic Swimmers
Ali Najafi, Ramin Golestanian
A recently developed theory of stochastic swimming is used to study the notion of coherence in active systems that couple via hydrodynamic interactions. It is shown that correlatio…
Microtubule Dynamics and Oscillating State for Mitotic Spindle
Safura Rashid-Shomali, Ali Najafi
We present a physical mechanism that can cause the mitotic spindle to oscillate. The driving force for this mechanism emerges from the polymerization of astral microtubules interac…