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12 papers · 2 filters
A mesoscale study of creep in a microgel using the acoustic radiation force
Pierre Lidon, Louis Villa, Sébastien Manneville
We study the motion of a sphere of diameter 330 m embedded in a Carbopol microgel under the effect of the acoustic radiation pressure exerted by a focused ultrasonic field. The…
Dynamics of a self-propelled particle in a harmonic trap
Olivier Dauchot, Vincent Démery
The dynamics of an active walker in a harmonic potential is studied experimentally, numerically and theoretically. At odds with usual models of self-propelled particles, we identif…
Sounds and hydrodynamics of polar active fluids
Delphine Geyer, Alexandre Morin, Denis Bartolo
Spontaneously flowing liquids have been successfully engineered from a variety of biological and synthetic self-propelled units. Together with their orientational order, wave propa…
Conformational statistics of randomly-branching double-folded ring polymers
Angelo Rosa, Ralf Everaers
The conformations of topologically constrained double-folded ring polymers can be described as wrappings of randomly branched primitive trees. We extend previous work on the tree s…
Local Mechanical Description of an Elastic Fold
Théo Jules, Frédéric Lechenault, Mokhtar Adda-Bedia
To go beyond the simple model for the fold as two flexible surfaces or faces linked by a crease that behaves as an elastic hinge, we carefully shape and anneal a crease within a po…
Kremer-Grest models for commodity polymer melts: Linking theory, experiment and simulation at the Kuhn scale
Ralf Everaers, Hossein Ali Karimi-Varzaneh, Nils Hojdis +2
The Kremer-Grest (KG) polymer model is a standard model for studying generic polymer properties in Molecular Dynamics simulations. It owes its popularity to its simplicity and comp…