Swelling of a granular hydrogel medium under confinement: individual and collective dynamicLucía Cristófaro, Sebastián Falcioni, Leonardo Binda, Yanina Lucrecia Roht, Germán Drazer and Irene IppolitoEPJ Web Conf., 249 (2021) 05005DOI: https://doi.org/10.1051/epjconf/202124905005