161 citations · 730 across the 15 of their papers we have counts for
8 papers · 1 filter
Non-Hermitian acoustic waveguides with periodic electroacoustic feedback
Danilo Braghini, Vinicius D. de Lima, Danilo Beli +2
In this work, we investigate non-Hermitian acoustic waveguides designed with periodically applied feedback efforts using electrodynamic actuators. One-dimensional spectral (infinit…
Small-World Disordered Lattices: Spectral Gaps and Diffusive Transport
Matheus I. N. Rosa, Massimo Ruzzene
We investigate the dynamic behavior of lattices with disorder introduced through non-local network connections. Inspired by the Watts-Strogatz small-world model, we employ a single…
Wave beaming and diffraction in quasicrystalline elastic metamaterial plates
Danilo Beli, Matheus Inguaggiato Nora Rosa, Carlos De Marqui +1
In this paper, we present numerical and experimental evidence of directional wave behavior, i.e. beaming and diffraction, along high-order rotational symmetries of quasicrystalline…
Amplitude-dependent edge states and discrete breathers in nonlinear modulated phononic lattices
Matheus I. N. Rosa, Michael J. Leamy, Massimo Ruzzene
We investigate the spectral properties of one-dimensional spatially modulated nonlinear phononic lattices, and their evolution as a function of amplitude. In the linear regime, the…
Exploring Topology of 1D Quasiperiodic Metastructures through Modulated LEGO Resonators
Matheus I. N. Rosa, Yuning Guo, Massimo Ruzzene
We investigate the dynamics and topology of metastructures with quasiperiodically modulated local resonances. The concept is implemented on a LEGO beam featuring an array of tunabl…
Mechanics and dynamics of two-dimensional quasiperiodic composites
Danilo Beli, Matheus I. N. Rosa, Carlos De Marqui +1
Periodic configurations have dominated the design of phononic and elastic-acoustic metamaterial structures for the past decades. Unlike periodic crystals, quasicrystals lack transl…