122 citations · 778 across the 40 of their papers we have counts for
5 papers · 1 filter
Energy transport and chaos in a one-dimensional disordered nonlinear stub lattice
Su Ho Cheong, Arnold Ngapasare, Vassos Achilleos +3
We investigate energy propagation in a one-dimensional stub lattice in the presence of both disorder and nonlinearity. In the periodic case, the stub lattice hosts two dispersive b…
Wave-packet spreading in disordered soft architected structures
Arnold Ngapasare, Georgios Theocharis, Olivier Richoux +2
We study the dynamical and chaotic behavior of a disordered one-dimensional elastic mechanical lattice which supports translational and rotational waves. The model used in this wor…
Chaos and Anderson Localisation in Disordered Classical Chains: Hertzian vs FPUT models
A. Ngapasare, G. Theocharis, O. Richoux +2
We numerically investigate the dynamics of an one-dimensional disordered lattice using the Hertzian model, describing a granular chain, and the Fermi-Pasta-Ulam-Tsingou model…
Polydispersed Granular Chains: From Long-lived Chaotic Anderson-like Localization to Energy Equipartition
V. Achilleos, G. Theocharis, Ch. Skokos
We investigate the dynamics of highly polydispersed finite granular chains. From the spatio-spectral properties of small vibrations, we identify which particular single-particle di…
Energy transport in one-dimensional disordered granular solids
V. Achilleos, G. Theocharis, Ch. Skokos
We investigate the energy transport in one-dimensional disordered granular solids by extensive numerical simulations. In particular, we consider the case of a polydisperse granular…