The paper presents a numerical investigation of an elastic metamaterial, i.e., a one-dimensional elastic waveguide, equipped with nonlocal (long-range) and nonlinear interactions. The dynamic behavior of the newly defined structure is described by nonlinear integro-differential equation of motion. Numerical simulations, comparing the linearized model and the nonlinear one, unveil the arising of wave-stopping and backward propagation phenomena.
Numerical simulations in nonlinear elastic metamaterials with nonlocal interaction / Coppo, F.; Mezzani, F.; Pensalfini, S.; Carcaterra, A.. - III:(2020), pp. 41-48. (Intervento presentato al convegno 1st International nonlinear dynamics conference, NODYCON 2019 tenutosi a Rome, Italy) [10.1007/978-3-030-34724-6_5].
Numerical simulations in nonlinear elastic metamaterials with nonlocal interaction
Coppo F.
;Mezzani F.
;Pensalfini S.;Carcaterra A.
2020
Abstract
The paper presents a numerical investigation of an elastic metamaterial, i.e., a one-dimensional elastic waveguide, equipped with nonlocal (long-range) and nonlinear interactions. The dynamic behavior of the newly defined structure is described by nonlinear integro-differential equation of motion. Numerical simulations, comparing the linearized model and the nonlinear one, unveil the arising of wave-stopping and backward propagation phenomena.| File | Dimensione | Formato | |
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