We investigate the swelling dynamics driven by solvent absorption in a hydrogel sphere immersed in a solvent bath, through a computational model and a numerical study. We extensively describe the transient process from dry to wet and discuss the onset of surface instabilities through a measure of the lack of smoothness of the outer surface and a morphological pattern of that surface with respect to the two material paremeters driving the swelling dynamics.
Transient instabilities in the swelling dynamics of a hydrogel sphere / Curatolo, Michele; Nardinocchi, Paola; Puntel, Eric; Teresi, Luciano. - In: JOURNAL OF APPLIED PHYSICS. - ISSN 0021-8979. - STAMPA. - 122:14(2017), p. 145109. [10.1063/1.5007229]
Transient instabilities in the swelling dynamics of a hydrogel sphere
CURATOLO, Michele;Nardinocchi, Paola
;
2017
Abstract
We investigate the swelling dynamics driven by solvent absorption in a hydrogel sphere immersed in a solvent bath, through a computational model and a numerical study. We extensively describe the transient process from dry to wet and discuss the onset of surface instabilities through a measure of the lack of smoothness of the outer surface and a morphological pattern of that surface with respect to the two material paremeters driving the swelling dynamics.| File | Dimensione | Formato | |
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