Deep learning for the design of phononic crystals and elastic metamaterials

CX Liu, GL Yu - Journal of Computational Design and …, 2023 - academic.oup.com
The computer revolution coming by way of data provides an innovative approach for the
design of phononic crystals (PnCs) and elastic metamaterials (EMs). By establishing an …

Seismic surface wave attenuation by resonant metasurfaces on stratified soil

C Zeng, C Zhao, F Zeighami - Earthquake Engineering & …, 2022 - Wiley Online Library
This study aims to theoretically and numerically investigate the dispersion relations of
Rayleigh waves propagating through vertical oscillators periodically distributed on stratified …

Numerical analysis of engineered metabarrier effect on ground vibration induced by underground high-speed train

S Qu, L Zhao, J Yang, Z Wu, S Zhu, W Zhai - Soil Dynamics and Earthquake …, 2023 - Elsevier
The construction of the underground section of the Chengdu-Zigong High-speed Railway,
the fastest underground railway worldwide with a design speed of 350 km/h, has attracted …

Locally resonant metamaterials utilizing dynamic directional amplification: An application for seismic mitigation

M Kalderon, A Mantakas, A Paradeisiotis… - Applied Mathematical …, 2022 - Elsevier
Locally resonant metamaterials (LRMs), with unit-cells exhibiting local resonance, present
extraordinary wave propagation properties as a result of their spatial periodicity. However …

Modal analysis of waveguide for the study of frequency bandgaps of a bounded periodic medium

M Darche, F Lopez-Caballero, B Tie - Journal of Sound and Vibration, 2024 - Elsevier
A novel method based on waveguide modal analysis is presented to evaluate the
effectiveness in terms of frequency bandgaps of bounded periodic metamaterials. The effect …

Filtering property of periodic in-filled trench barrier for underground moving loads

L Meng, Z Shi, S Hao, Z Cheng - Construction and Building Materials, 2023 - Elsevier
The filtering properties of a 2-dimensional (2D) periodic in-filled trench barrier system
subjected to anti-plane and in-plane moving loads are investigated separately by combining …

Filtering property of periodic pile barriers under moving loads

L Meng, Z Cheng, Z Shi - Computers and Geotechnics, 2021 - Elsevier
The attenuation property of periodic pile barriers for elastic-wave propagation in certain
direction induced by stationary loading sources has been extensively investigated …

[HTML][HTML] Metastructures: From physics to application

F Capolino, M Khajavikhan, A Alù - Applied Physics Letters, 2022 - pubs.aip.org
The exotic wave phenomena in metastructures and their wide applications are one of the
most researched subjects in electromagnetic waves and photonics, from radio frequencies …

Deep learning-based design of ternary metamaterials for isolating full-mode waves

CX Liu, GL Yu - Engineering Structures, 2023 - Elsevier
A deep learning-based methodology is presented to design the topologies and periodic
constants of ternary metamaterials under different site conditions, considering both in-plane …

Impact of Source Modelling and Poroelastic Models on Numerical Modelling of Unconsolidated Granular Media: Application at the Laboratory Scale

K Asfour, R Martin, DE Baz, L Bodet, B Plazolles - Surveys in Geophysics, 2024 - Springer
The near surface is characterized by using different numerical techniques, among them
seismic techniques that are non-destructive. More particularly, for a better understanding of …