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24 papers · 2 filters
Geometry-driven folding of a floating annular sheet
Joseph D. Paulsen, Vincent Démery, K. Buğra Toga +4
Predicting the large-amplitude deformations of thin elastic sheets is difficult due to the complications of self-contact, geometric nonlinearities, and a multitude of low-lying ene…
Thermoresponsive Toughening in LCST-Type Hydrogels: Comparison between Semi-Interpenetrated and Grafted Networks
Hui Guo, Nicolas Sanson, Alba Marcellan +1
Hydrophilic and LCST polymer chains, poly(N,N-dimethylacrylamide) (PDMA) and poly(Nisopropylacrylamide)(PNIPA), were combined in semi-interpenetrated architectures toinvestigate th…
Direct measurement of the critical pore size in a model membrane
Mark Ilton, Christian DiMaria, Kari Dalnoki-Veress
We study pore nucleation in a model membrane system, a freestanding polymer film. Nucleated pores smaller than a critical size close, while pores larger than the critical size grow…
Role of uncrosslinked chains in droplets dynamics on silicone elastomers
Aurélie Hourlier-Fargette, Arnaud Antkowiak, Antoine Chateauminois +1
We report an unexpected behavior in wetting dynamics on soft silicone substrates: the dynamics of aqueous droplets deposited on vertical plates of such elastomers exhibits two succ…
Lagrangian 3D tracking of fluorescent microscopic objects in motion
T. Darnige, N. Figueroa-Morales, P. Bohec +2
We describe the development of a tracking device, mounted on an epi-fluorescent inverted microscope, suited to obtain time resolved 3D Lagrangian tracks of fluorescent passive or a…
Molecular dynamics simulation of the capillary leveling of viscoelastic polymer films
Ioannis Tanis, Hendrik Meyer, Thomas Salez +3
Surface tension-driven flow techniques have recently emerged as an efficient means of shedding light into the rheology of thin polymer films. Motivated by experimental and theoreti…