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7 papers · 2 filters
Predicting and assessing rupture in protein gels under oscillatory shear
Brice Saint-Michel, Thomas Gibaud, Sebastien Manneville
Soft materials may break irreversibly upon applying sufficiently large shear oscillations, a process which physical mechanism remains largely elusive. In this work, the rupture of…
Ion pairing controls rheological properties of "processionary" polyelectrolyte hydrogels
Hassan Srour, Martien Duvall Deffo Ayagou, Thi Thanh-Tam Nguyen +5
We demonstrated recently that polyelectrolytes with cationic moieties along the chain and a single anionic head are able to form physical hydrogels due to the reversible nature of…
Understanding rheological hysteresis in soft glassy materials
Rangarajan Radhakrishnan, Thibaut Divoux, Sébastien Manneville +1
Motivated by recent experimental studies of rheological hysteresis in soft glassy materials, we study numerically strain rate sweeps in simple yield stress fluids and viscosity bif…
Distortion and destruction of colloidal flocks in disordered environments
Alexandre Morin, Nicolas Desreumaux, Jean-Baptiste Caussin +1
How do flocks, herds and swarms proceed through disordered environments? This question is not only crucial to animal groups in the wild, but also to virtually all applications of c…
Carbon membranes for efficient water-ethanol separation
Simon Gravelle, Hiroaki Yoshida, Laurent Joly +2
We demonstrate, on the basis of molecular dynamics simulations, the possibility of an efficient water-ethanol separation using nanoporous carbon membranes, namely carbon nanotube m…
Geometry and design of origami bellows with tunable response
Austin Reid, Frederic Lechenault, Sergio Rica +1
Origami folded cylinders (origami bellows) have found increasingly sophisticated applications in space flight and medicine. In spite of this interest, a general understanding of th…