Emergence and suppression of chaos in small interdependent networks by localized periodic excitations

R Chacón, AM García-Hoz, PJ Martínez… - Nonlinear Dynamics, 2023 - Springer
Mastering the emergence and suppression of chaos of complex networks is currently a
fundamental task for the nonlinear science community with potential relevant applications in …

Enhanced signal response in globally coupled networks of bistable oscillators: Effects of mean field density and signal shape

FT Ndjomatchoua, CL Gninzanlong… - Physical Review E, 2023 - APS
This paper studies a set of globally coupled bistable oscillators, all subjected to the same
weak periodic signal and identical coupling. The effect of mean field density (MFD) on global …

Suppressing chaos in damped driven systems by non-harmonic excitations: experimental robustness against potential's mismatches

F Palmero, R Chacón - Nonlinear Dynamics, 2022 - Springer
The robustness of a chaos-suppressing scenario against potential mismatches is
experimentally studied through the universal model of a damped, harmonically driven two …

Amplitude response, Melnikov's criteria, and chaos occurrence in a Duffing's system subjected to an external periodic excitation with a variable shape

FT Ndjomatchoua, TLM Djomo, FF Kemwoue… - … Journal of Nonlinear …, 2022 - pubs.aip.org
The present study considers the nonlinear dynamics of a Duffing oscillator under a
symmetric potential subjected to a pulse-type excitation with a deformable shape. Our …

Nonmonotonic enhancement of diversity-induced resonance in systems of mobile oscillators

C Liu, ZX Wu, JY Guan - Physical Review E, 2023 - APS
Diversity is omnipresent in natural and synthetic extended systems, the phenomenon of
diversity-induced resonance (DIR), wherein a moderate degree of the diversity can provoke …

Suppressing homoclinic chaos for a class of vibro-impact oscillators by non-harmonic periodic excitations

S Li, R Xu, L Kou - Nonlinear Dynamics, 2024 - Springer
This paper proposes a theoretical framework and carries out numerical verification for
suppressing homoclinic chaos of a class of vibro-impact oscillators by adding non-harmonic …

Signal amplification enhanced by large phase disorder in coupled bistable units

X Liang, X Zhang - Physical Review E, 2021 - APS
We study the maximum response of network-coupled bistable units to subthreshold signals
focusing on the effect of phase disorder. We find that for signals with large levels of phase …

Impulse-induced generation of stationary and moving discrete breathers in nonlinear oscillator networks

J Cuevas-Maraver, R Chacón, F Palmero - Physical review E, 2016 - APS
We study discrete breathers in prototypical nonlinear oscillator networks subjected to
nonharmonic zero-mean periodic excitations. We show how the generation of stationary and …

Induced localized nonlinear modes in an electrical lattice

F Palmero, J Cuevas-Maraver, LQ English, W Li… - Physica …, 2019 - iopscience.iop.org
Intrinsic localized modes, also called discrete breathers (DBs), can exist under certain
conditions in one-dimensional nonlinear electrical lattices driven by external periodic …

Bouncing states of a droplet on a liquid surface under generalized forcing

R Chacón, PJ Martínez, PM Binder - Physical Review E, 2018 - APS
Droplets can exhibit complex dynamics when vertically and sinusoidally forced by a liquid
surface from which they remain separated by a thin air cushion. Here we extend previous …