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Multiphysics Modeling of Swelling Gels

A. Lucantonio1 P. Nardinocchi1 L. Teresi2
1Università degli Studi La Sapienza, Roma, Italy
2LaMS - Modelling & Simulation Lab, Università degli Studi Roma Tre, Roma, Italy

A frame of the transient free-swelling of a cubic gel sample.

Polymer gels belong to the realm of soft active materials as they are capable of responding to a non-mechanical stimulus – the permeation of a solvent – with a mechanical action – a volume change, thanks to the coupling between different physics. This mechanism of coupling can be exploited in a wide range of applications, including biomedical devices, making crucial the understanding of the dynamics of these systems. To this aim, we develop a nonlinear multiphysics theory and solve numerically the resulting model using the finite element method.

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