By employing periodic electrical boundary conditions, an innovative method to generate
actively tunable topologically protected interface mode in a “homogeneous” piezoelectric …

The paper proposes a novel polygonal negative stiffness (NS) metamaterial composed of
folded beams and stiffening walls, which exhibits excellent performance in attenuating …

In this paper, a tunable beam-type metamaterial composed of elastic base beams and
periodically arrayed active beam-type resonators is designed and analyzed theoretically …

This work presents the active control effects on a piezoelectric phononic crystal beam resting
on elastic foundation. The bending of passive periodic beams that rest on elastic foundation …

Wind energy holds growing investment perspectives due to its renewable and sustainable
energy production potential. The harvesting capability of wind turbines is directly related to …

The research interest on phononic crystals now takes a new turn towards the acoustic/elastic
analogies of the quantum concepts, eg, the quantum Hall, quantum spin Hall and quantum …

This study presents a new type of active underwater local resonance metamaterial
mathematical model for topologically protected acoustic wave propagation. The underwater …

Topological phononic crystals (PnCs) have attracted tremendous research attention in
recent years. A significant hallmark of these structures is that these crystals can support …

In this paper, a metamaterial with time-delayed feedback control for broadband vibration
suppression is investigated. Genetic algorithm is used to optimize the time-delayed …

Based on the local resonance mechanism, five new acoustic metamaterial plate structures
with low-frequency bandgaps are proposed in this paper. The two new structures obtained …