c Chapitre Quaglini, V. | Gandelli, E. | Dubini, P. A novel OpenSees element with improved friction model for Friction Pendulum System isolators PDF 2019 - Pisa University Press Fait partie de Atti del XVIII Convegno ANIDIS L'ingegneria Sismica in Italia : Ascoli Piceno, 15-19 settembre 2019