(Sage Journals, 2021-01-30) Avendaño Camacho, Misael; Torres Manotas, Alejandra; Vallejo Rodríguez, José Antonio
We prove the existence of closed stable orbits in a strongly coupled Wilberforce pendulum, for the case of a 1:2 resonance, by using techniques of singular geometric reduction combined with the more classical averaging method of Moser.