Ultrathin acoustic absorbing metasurface based on deep learning approach

K Donda, Y Zhu, A Merkel, SW Fan, L Cao… - Smart Materials and …, 2021 - iopscience.iop.org
Acoustic metasurface has become one of the most promising platforms for manipulating
acoustic waves with the advantage of ultra-thin geometry. The conventional design method …

Deterministic and probabilistic deep learning models for inverse design of broadband acoustic cloak

WW Ahmed, M Farhat, X Zhang, Y Wu - Physical Review Research, 2021 - APS
Concealing an object from incoming waves (light and/or sound) remained science fiction for
a long time due to the absence of wave-shielding materials in nature. Yet, the invention of …

Deep learning based design of thermal metadevices

Q Ji, X Chen, J Liang, G Fang, V Laude… - International Journal of …, 2022 - Elsevier
Thermal metadevices obtained from transformation optics have recently attracted wide
attention due to their vast potential for thermal management. However, these devices require …

Experimental demonstration of underwater ultrasound cloaking based on metagrating

J He, X Jiang, D Ta, W Wang - Applied Physics Letters, 2020 - pubs.aip.org
We present the theoretical design, numerical simulation, and experimental demonstration of
a single-parameter-based underwater ultrasound cloaking of arbitrary objects based on …

Active control of elastic metamaterials consisting of symmetric double Helmholtz resonator cavities

L Ning, YZ Wang, YS Wang - International Journal of Mechanical Sciences, 2019 - Elsevier
Wave invisibility has quite special meaning on marine vehicles under water, which
encourages people to search effective methods for a long history. Initiated by this point, we …

A deep learning-based multi-fidelity optimization method for the design of acoustic metasurface

J Wu, X Feng, X Cai, X Huang, Q Zhou - Engineering with Computers, 2023 - Springer
A desirable acoustic metasurface requires the scattered acoustic field distribution uniform.
Neural networks are effective substitutions to mimic the expensive FE simulations in most …

Transverse particle trapping using finite Bessel beams based on acoustic metamaterials

X Fan, Y Zhu, Z Su, N Li, X Huang, Y Kang, C Li… - Physical Review …, 2023 - APS
We investigate the transverse trapping force acting on a small particle on or off the central
axis of zero-order finite Bessel beams. Combining the simulated fields with the Gorkov force …

Elastic complementary meta-layer for ultrasound penetration through solid/liquid/gas barriers

CI Park, C Piao, H Lee, YY Kim - International Journal of Mechanical …, 2021 - Elsevier
Efficient ultrasound transmission is crucial in vast areas including noninvasive surgery,
structural health monitoring, and underwater detection. However, extreme impedance …

A hybrid acoustic cloaking based on binary splitting metasurfaces and near-zero-index metamaterials

R Yang, X Zhang, G Wang - Applied Physics Letters, 2022 - pubs.aip.org
A hybrid acoustic cloaking, composed of binary splitting metasurfaces (BSMs) and near-zero-
index metamaterials (NZIMs), is proposed in this paper. The BSMs form acoustic cloaking to …

The gradient of total multiple scattering cross-section and its application to acoustic cloaking

FA Amirkulova, AN Norris - Journal of Theoretical and …, 2020 - World Scientific
We derive a formula for the gradients of the total scattering cross-section (TSCS) with
respect to positions of a set of cylindrical scatterers. The analytic form enhances modeling …