Double pendulum response with energy transfer Grzegorz Litak, Marek Borowiec, Marcin Fronc, Magdalena Przybylska-Fronc, Jerzy Margielewicz, Damian Gaska and S. Faruque Ali Eur. Phys. J. Spec. Top., Publication ahead of print Published online: 10 May 2025 DOI: 10.1140/epjs/s11734-025-01640-w