Guided waves, elastic waves propagating through bounded structures, play a pivotal role in
various applications, including ultrasonic non-destructive testing and structural health …

To address the challenge of suppressing extremely-low frequency vibration and noise in
precision instruments and equipment, a novel non-contact metamaterial beams is proposed …

Topological propagation in elastic wave metamaterials is widely investigated due to the
superior transmission performance but most studies are focused on a single frequency …

Elastic metasurfaces have been rapidly developed for effective modulation of elastic wave
propagation. Among them, utilizing the electromechanical coupling effect of piezoelectric …

The study proposes a staggered piezoelectric supercell beam to enhance the traditional
passive periodic metamaterial bandgap. This beam features varying inductance in each cell …

In this paper, we present a dynamic homogenization model for elastic wave propagation
analysis in piezoelectric composites with periodic electroelastic and viscoelectroelastic …

Traditional acoustic materials typically have fixed acoustic bandgaps (BGs), making them
unsuitable for complex vibration environments. In recent years, prestress-controlled acoustic …

Frequency limit and applicable frequency range of planar piezoelectric metamaterials
connected to external circuits have not been well defined in estimating the sound …

This paper presents an efficient and robust optimization methodology for stress and shape
control of actuated geometrically nonlinear elastic structures, applied to 3D trusses. The …

Based on the piecewise linear relation between the force and elongation of springs, the
phase transition and its generating waves in mechanical metastructures are studied. With …