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EnglishDynamics of solvent release from polymer gels with small solvent-filled cavities is investigated starting from a thermodyna- mically consistent and enriched multiphysics stress-diffusion model. Indeed, the modeling also accounts for a new global volumetric constraint which makes the volume of the solvent in the cavity and the cavity volume equal at all times. This indu- ces a characteristic suction effect into the model through a negative pressure acting on the cavity walls. The problem is solved for gel-based spherical microcapsules and microtubules. The implementation of the mathematical model into a finite element code allows to quantitatively describe and compare the dynamics of solvent release from full spheres, hollow spheres, and tu- bules in terms of a few key quantities such as stress states and amount of released solvent under the same external conditions
Modeling solvent dynamics in polymers with solvent-filled cavities / Curatolo, Michele; Nardinocchi, Paola; Teresi, Luciano. - In: MECHANICS OF SOFT MATERIALS. - ISSN 2524-5600. - :2(2020).
| Titolo: | Modeling solvent dynamics in polymers with solvent-filled cavities | |
| Autori: | ||
| Data di pubblicazione: | 2020 | |
| Rivista: | ||
| Citazione: | Modeling solvent dynamics in polymers with solvent-filled cavities / Curatolo, Michele; Nardinocchi, Paola; Teresi, Luciano. - In: MECHANICS OF SOFT MATERIALS. - ISSN 2524-5600. - :2(2020). | |
| Handle: | http://hdl.handle.net/11573/1446803 | |
| Appartiene alla tipologia: | 01a Articolo in rivista |
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| Curatolo_Modeling_2020.pdf | Versione editoriale (versione pubblicata con il layout dell'editore) |  | Open Access Visualizza/Apri |
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