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Acoustic Fields and Waves in Solids
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In this article, the authors apply the material developed in the Volume One to various boundary value problems (reflection and refraction at plane surfaces, composite media, waveguides and resonators).Abstract:
This work, part of a two-volume set, applies the material developed in the Volume One to various boundary value problems (reflection and refraction at plane surfaces, composite media, waveguides and resonators). The text also covers topics such as perturbation and variational methods.read more
Citations
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PatentDOI
Ultrasound transducer for improving resolution in imaging system
TL;DR: In this article, a silicon matching layer closest to the piezoelectric layer is used to improve the resolution of an ultrasound transducer, but the exact thickness of the matching layer is unknown.
Journal ArticleDOI
Wave reflection at a free interface in an anisotropic pyroelectric medium with nonclassical thermoelasticity
Abo-el-nour N. Abd-alla,Ivan Giorgio,Luca Galantucci,Abdelmonam M. Hamdan,Dionisio Del Vescovo +4 more
TL;DR: In this paper, the reflection coefficients of plane qP waves are derived in terms of the angle of incidence, the elastic, electric and thermal parameters of the medium, as well as the thermal relaxation times.
Proceedings ArticleDOI
Elastic Properties of Rocks With Multiple Sets of Fractures
TL;DR: In this article, the elastic medium theory is modified and extended beyond fine-layered anisotropic rocks to include multiple sets of fractures, each lying in any plane, and the group elements are now in terms of compliances rather than stiffnesses, and this much simplifies the algebra, and makes the commutative property clear rocks can be fractured in any order.
Journal ArticleDOI
Acoustomicrofluidic assembly of oriented and simultaneously activated metal-organic frameworks.
Heba Ahmed,Amgad R. Rezk,Joseph J. Richardson,Lauren K. Macreadie,Ravichandar Babarao,Ravichandar Babarao,Edwin L. H. Mayes,Lillian Lee,Leslie Y. Yeo +8 more
TL;DR: The authors fabricate highly-oriented and simultaneously activated free-standing MOFs by an acoustically driven microcentrifugation platform that facilitates fast convective solutal transport, allowing the synthesis of MOF crystals in as short as five minutes.
Journal ArticleDOI
Multifunctional elastic metasurface design with topology optimization
Junjie Rong,Wenjing Ye +1 more
TL;DR: In this article, a topology optimization formulation is proposed for achieving specific phase delays and high transmission within a given frequency band, with special treatments on the structural connectivity, and a multi-functional metasurface for simultaneously controlling longitudinal and shear waves has also been designed.
References
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Book
Physical properties of crystals
TL;DR: In this paper, the physical properties of crystals systematically in tensor notation are presented, presenting tensor properties in terms of their common mathematical basis and the thermodynamic relations between them.
Book
Field theory of guided waves
TL;DR: In this paper, the authors present a model for waveguide decomposition in terms of waveguide discontinuities and waveguides and cavities, and apply it to artificial dielectrics.