From Photonic Crystals to Seismic Metamaterials: A Review via Phononic Crystals and Acoustic Metamaterials
Sign Up to like & getrecommendations! Published in 2021 at "Archives of Computational Methods in Engineering"
DOI: 10.1007/s11831-021-09612-8
Abstract: The advancement in electromagnetic metamaterials, which commenced three decades ago, experienced a rapid transformation into acoustic and elastic systems in the forms of phononic crystals and acoustic/elastic metamaterials. Since its early discovery, numerous wave phenomena… read more here.
Keywords: acoustic elastic; photonic crystals; crystals acoustic; phononic crystals ... See more keywords
A level-set-based topology optimisation for acoustic–elastic coupled problems with a fast BEM–FEM solver
Sign Up to like & getrecommendations! Published in 2017 at "Computer Methods in Applied Mechanics and Engineering"
DOI: 10.1016/j.cma.2016.11.006
Abstract: Abstract This paper presents a structural optimisation method in three-dimensional acoustic–elastic coupled problems. The proposed optimisation method finds an optimal allocation of elastic materials which reduces the sound level on some fixed observation points. In… read more here.
Keywords: coupled problems; topology; optimisation; elastic coupled ... See more keywords
Metamaterials for simultaneous acoustic and elastic bandgaps
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DOI: 10.1038/s41598-021-94053-3
Abstract: In this work, we present a single low-profile metamaterial that provides bandgaps of acoustic and elastic waves at the same time. This was done by ensuring impedance mismatch in two different domains, the fluid domain… read more here.
Keywords: elastic bandgaps; elastic waves; simultaneous acoustic; metamaterials simultaneous ... See more keywords
Acoustic-elastic coupled least-squares reverse time migration in marine environment with rugged seabed interface
Sign Up to like & getrecommendations! Published in 2021 at "Exploration Geophysics"
DOI: 10.1080/08123985.2021.1904778
Abstract: ABSTRACT The severe rugged seabed interfaces bring great difficulties to seismic imaging in the marine environment. To accurately image submarine structures under the rugged seabed interface, an acoustic-elastic coupled curvilinear-coordinated least-squares reverse time migration (AE-CLSRTM)… read more here.
Keywords: marine environment; elastic coupled; rugged seabed; seabed interface ... See more keywords
Acoustic-elastic metamaterials and phononic crystals for energy harvesting: a review
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DOI: 10.1088/1361-665x/ac0cbc
Abstract: Metamaterials and phononic crystals (PCs) with artificially designed periodic microstructures have attracted increasing research interests due to their unique properties that cannot be easily realized in natural materials. In recent years, the applications of metamaterials… read more here.
Keywords: metamaterials pcs; acoustic elastic; phononic crystals; energy ... See more keywords
A Unified Numerical Scheme for Coupled Multiphysics Model
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2020.3041870
Abstract: For oil and gas exploration, seismic wave propagation in coupled acoustic, elastic, poroelastic, and even anisotropic media is a valuable aspect. However, it is a challenging task to deal with the interfaces of the coupled… read more here.
Keywords: coupled acoustic; coupled model; scheme; model ... See more keywords
Correlation between Anatomical Grading and Acoustic–Elastic Properties of Resonant Spruce Wood Used for Musical Instruments
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DOI: 10.3390/f12081122
Abstract: This paper deals with the acoustic and elastic properties of resonant wood, classified into four classes, according to the classification of wood quality by the manufacturers of musical instruments. Traditionally, the quality grades of resonant… read more here.
Keywords: properties resonant; musical instruments; wood used; elastic properties ... See more keywords
Acoustic and Elastic Properties of a Blood Clot during Microbubble-Enhanced Sonothrombolysis: Hardening of the Clot with Inertial Cavitation
Sign Up to like & getrecommendations! Published in 2021 at "Pharmaceutics"
DOI: 10.3390/pharmaceutics13101566
Abstract: Stroke is the second leading cause of death worldwide. Existing therapies present limitations, and other therapeutic alternatives are sought, such as sonothrombolysis with microbubbles (STL). The aim of this study was to evaluate the change… read more here.
Keywords: clot; blood; blood clot; properties blood ... See more keywords