87 citations · 263 across the 18 of their papers we have counts for
20 papers
Nonholonomic collective flows: velocity--orientation locking in a continuum with microstructure
Gaetano Napoli
We develop a continuum theory for a fluid of elongated particles that advance along their own axes. The same kinematics is ideally shared by flocks of sheep, self-propelled rods, v…
Boundary-layer analysis of the partial engulfment of a small particle by a lipid membrane
Gaetano Napoli
We study the axisymmetric partial engulfment of a small rigid sphere by a fluid Helfrich membrane. When the size ratio $\eps$ between the particle and the membrane is small, the ne…
Odd elasticity in a three-link microswimmer: feedback equivalence, global controllability, and the cost of non-reciprocity
Rossella Attanasi, Gaetano Napoli, Marta Zoppello
We study a Purcell three-link microswimmer whose joints are \emph{odd-elastic}: the torsional stiffness is non-Hermitian, its antisymmetric part injecting mechanical work so…
Nematic Bubbles and the Breaking of Spherical Symmetry
Gaetano Napoli, Silvia Paparini
The emergence of nematic order on deformable closed surfaces plays a pivotal role in the morphogenesis of active biological matter, such as the regeneration of Hydra. In this work,…
Controllability and Displacement Analysis of a Three-Link Elastic Microswimmer: A Geometric Control Approach
Rossella Attanasi, Marta Zoppello, Gaetano Napoli
This study investigates the dynamics and controllability of a Purcell three-link microswimmer equipped with passive elastic torsional coils at its joints. By controlling the sponta…
Circumferential buckling of a hydrogel tube emptying upon dehydration
Michele Curatolo, Federico Lisi, Gaetano Napoli +1
A cylindrical hydrogel tube, completely submerged in water, hydrates by swelling and filling its internal cavity. When it comes back into contact with air, it dehydrates: the tube…