Gravity driven instability in elastic solid Layers Auteur(s): Mora S., Phou T., Fromental J.-M., Pomeau Yves (Article) Publié: Physical Review Letters, vol. 113 p.178301 (2014) Texte intégral en Openaccess : Ref HAL: hal-01101059_v1 DOI: 10.1103/PhysRevLett.113.178301 WoS: 000344052700015 Exporter : BibTex | endNote 51 Citations Résumé: We demonstrate the instability of the free surface of a soft elastic solid facing downwards. Experiments are carried out using a gel of constant density rho, shear modulus mu, put in a rigid cylindrical dish of depth h. When turned upside down, the free surface of the gel undergoes a normal outgoing acceleration g. It remains perfectly flat for rhogh/mu |