Achieving broadband low-frequency surface wave bandgaps is technically challenging, which calls for a systematic design paradigm instead of intuitive approaches. In this study …
A Ni, Z Shi - Engineering Structures, 2022 - Elsevier
Topological insulator (TI) has received enormous attention in recent years due to its intriguing dynamic characterizes of topologically protected wave transport and defect …
In recent years, a new type of seismic isolation system which exploits the filtering effect of bandgaps, named Periodic Foundation, has been proposed to isolate the upper structure …
Phononic crystals exhibit Bragg bandgaps, frequency regions within which wave propagation is forbidden. In solid continua, bandgaps are the outcome of destructive …
L Meng, Z Cheng, Z Shi - Computers and Geotechnics, 2020 - Elsevier
Coupling the widely used Biot's theory and the periodic structure theory in the solid-state physics, this paper presents a comprehensive numerical investigation on the complex …
We investigate the complex band structure of elastic waves in a magnetoelectroelastic phononic crystal, consisting of a polymeric matrix reinforced by BaTiO 3-CoFe 2 O 4 …
Y Chen, X Wen, Y Lu, Z Lan, L Fan, HS Park, Z Gu… - Composite …, 2025 - Elsevier
The acoustic topological waveguide (ATW) hosting topologically protected waveguide modes provides a unique opportunity for achieving large-scale sound transport with …
Y Chen, S An, Z Lan, L Fan, L An, Z Su - Composite Structures, 2024 - Elsevier
Acoustic topological insulators (ATIs) with topological states that are insensitive to defects and impurities offer a robust way to steer acoustic waves. However, current ATIs in square …
J Jung, S Goo, S Wang - Wave Motion, 2020 - Elsevier
This paper presents an investigation of flexural wave band gaps in locally resonant metamaterials (LRMs). An LRM is a periodic structure consisting of repeated unit cells …