Wave propagation characterization of 2D composite chiral lattice structures with circular plate inclusions

H Ruan, J Hou, D Li - Engineering Structures, 2022 - Elsevier
In this work, an innovative 2D composite chiral lattice hierarchical structure containing
circular plate inclusions is proposed. The circular plate inclusion is incorporated into the …

Topological interface state formation in an hourglass lattice sandwich meta-structure

D Yu, G Hu, Z Guo, J Hong, Y Yang - International Journal of Mechanical …, 2023 - Elsevier
Topological interface state formation in elastic structures has attracted extensive research
interest. However, most previous studies only explored the topological properties of simple …

Inerter-based elastic metamaterials for band gap at extremely low frequency

F Jamil, F Chen, B Deng, RG Parker, P Wang - Extreme Mechanics Letters, 2022 - Elsevier
We reveal the unique and fundamental advantage of inerter-based elastic metamaterials by
a comparative study among different configurations. When the embedded inerter is …

Bandgap formation mechanism in tacticity inspired elastic mechanical metastructures

A Dwivedi, RK Munian, B Bhattacharya, S Adhikari - Scientific Reports, 2024 - nature.com
Tacticity is long known as a significant contributor in changing the chemical and mechanical
properties of the polymers drastically. This study explores mechanism of bandgap formation …

Low frequency coupled bandgap regulation of staggered piezoelectric supercell beam

W Wu, X Shan, H Zhang, C Sun, X Du, Z Min - International Journal of …, 2024 - Elsevier
The study proposes a staggered piezoelectric supercell beam to enhance the traditional
passive periodic metamaterial bandgap. This beam features varying inductance in each cell …

Designing a phononic crystal with a large defect to enhance elastic wave energy localization and harvesting

J Zhong, J **
M Cajić, D Karličić, J Christensen, S Adhikari - Journal of Sound and …, 2023 - Elsevier
Wave dispersion and topology of phononic crystals in classical mechanical systems are well
understood and extensively studied subjects. However, the topological properties of …

Quadrupole higher-order topological phases in static mechanical metamaterials

J Long, A Wang, Y Zhou, CQ Chen - International Journal of Mechanical …, 2024 - Elsevier
Higher-order topological insulators (HOTIs), an extended concept of traditional first-order
topological insulators, are capable of hosting multidimensional topological states and …

Theoretical analysis on topological interface states of 1D compression-torsion coupling metamaterial

Y Li, H Zhang - Composite Structures, 2023 - Elsevier
Develo** topological metamaterials has attracted considerable interest in recent years,
which is an analogy of topological concepts in condensed matter physics. Inspired by …