Listar por autor "Sánchez-Dehesa Moreno-Cid, José"
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Listar por autor "Sánchez-Dehesa Moreno-Cid, José"
Mostrando ítems 1-20 de 82
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Cutanda-Henriquez, V.; Andersen, Peter Risby; Jensen, J. Sondergaard; Juhl, P. Moller; Sánchez-Dehesa Moreno-Cid, José (World Scientific, 2017)[EN] In recent years, boundary element method (BEM) and finite element method (FEM) implementations of acoustics in fluids with viscous and thermal losses have been developed. They are based on the linearized Navier¿Stokes ... -
Torrent Martí, Daniel; Sánchez-Dehesa Moreno-Cid, José (American Physical Society, 2012-04-27)We demonstrate the presence of Dirac cones in the dispersion relation of acoustic waves propagating on the surface of a plate of methyl methacrylate containing a honeycomb lattice of cylindrical boreholes. This structure ... -
García Chocano, Víctor Manuel; Sanchis, Lorenzo; Díaz Rubio, Ana; Martínez Pastor, Juan P.; Cervera Moreno, Francisco Salvador; Llopis Pontiveros, Rafael; Sánchez-Dehesa Moreno-Cid, José (American Institute of Physics, 2011-08-16)[EN] This Letter presents practical realization of a two-dimensional low loss acoustic cloak for airborne sound obtained by inverse design. The cloak consists of 120 aluminum cylinders of 15 mm diameter surrounding the ...
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Lu, Zhimiao; Sanchis Martínez, Lorenzo; Wen, Jihong; Cai, Li; Bi, Yafeng; Sánchez-Dehesa Moreno-Cid, José (Nature Publishing Group, 2018-08-27)[EN] Among the different approaches proposed to design acoustic cloaks, the one consisting on the use of an optimum distribution of discrete scatters surrounding the concealing object has been successfully tested. The ... -
Guild, Matthew; García Chocano, Víctor Manuel; Kan, Weiwei; Sánchez-Dehesa Moreno-Cid, José (American Institute of Physics (AIP), 2015-03-21)Through the use of a layered arrangement, it is shown that lossy sonic crystals can be arranged to create a structure with extreme acoustic properties, namely, an acoustic metamaterial. This artificial structure shows ... -
Sánchez-Dehesa Moreno-Cid, José; Torrent, Daniel; Cai, Liang - Wu (IOP Publishing: Open Access Journals, 2009-01-23)Acoustic transparency is studied in two-dimensional sonic crystals consisting of hexagonal distributions of cylinders with continuously varying properties. The transparency condition is achieved by selectively closing the ... -
Guild, Matthew; García Chocano, Víctor Manuel; Sánchez-Dehesa Moreno-Cid, José; Martin, Theodore P.; Calvo, David C.; Orris, Gregory J. (American Physical Society, 2016-03-30)Soft acoustic metamaterials utilizing mesoporous structures have been proposed recently as a means for tuning the overall effective properties of the metamaterial and providing better coupling to the surrounding air. In ... -
Fernandez-Marin, Antonio A.; Jimenez, Noe; Groby, Jean-Philippe; Sánchez-Dehesa Moreno-Cid, José; Romero García, Vicente (American Institute of Physics, 2019-08-05)[EN] The unusual viscoelastic properties of silica aerogel plates are efficiently used to design subwavelength perfect sound absorbers. We theoretically, numerically and experimentally report a perfect absorbing metamaterial ... -
García Meca, Carlos; Carloni, Sante; Barceló, Carlos; Jannes, Gil Georges Paul; Sánchez-Dehesa Moreno-Cid, José; Martínez Abietar, Alejandro José (Elsevier, 2014-08)A recently developed technique known as analogue transformation acoustics has allowed the extension of the transformational paradigm to general spacetime transformations under which the acoustic equations are not form ... -
García Meca, Carlos; Carloni, S.; Barcelo, C.; Jannes, G.; Sánchez-Dehesa Moreno-Cid, José; Martínez Abietar, Alejandro José (Nature Publishing Group, 2013-06-18)Transformation optics has shaped up a revolutionary electromagnetic design paradigm, enabling scientists to build astonishing devices such as invisibility cloaks. Unfortunately, the application of transformation techniques ... -
Cai, Liang-Wu; Sánchez-Dehesa Moreno-Cid, José (Acoustical Society of America, 2012-10)The equivalence between a single mass-anisotropic layer and two isotropic layers is analyzed by studying two systems: one consists of an anisotropic layer sandwiched between two arbitrarily chosen isotropic media; and the ...
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Climente Alarcón, Alfonso; Torrent Martí, Daniel; Sánchez-Dehesa Moreno-Cid, José (AIP Publishing, 2016-12)This work presents a comprehensive study of the cloak for bending waves theoretically proposed by Farhat et al. [see Phys. Rev. Lett. 103, 024301 (2009)] and later on experimentally realized by Stenger et al. [see Phys. ... -
Torrent Martí, Daniel; Sánchez-Dehesa Moreno-Cid, José (IOP Publishing: Open Access Journals, 2008-02-06)We show that specially designed two-dimensional arrangements of full elastic cylinders embedded in a nonviscous fluid or gas define ( in the homogenization limit) a new class of acoustic metamaterials characterized by a ... -
Sánchez-Dehesa Moreno-Cid, José; Torrent Martí, Daniel; Carbonell Olivares, Jorge (Society of Photo-optical Instrumentation Engineers (SPIE), 2012)We analyze the properties of acoustic and electromagnetic metamaterials with anisotropic constitutive parameters. Particularly, we analyze the so-called Radial Wave Crystals, which are radially periodic structures verifying ... -
García Chocano, Víctor Manuel; Sánchez-Dehesa Moreno-Cid, José (American Institute of Physics (AIP), 2015-03-23)This work reports the enhancement of sound absorption by sonic crystals slabs made of cylindrical perforated shells. These building units, with perforations of millimeter size, show small losses and cannot explain the ... -
Fernandez Marin, Antonio Alejandro; Mendez Bermudez, J.A.; Carbonell Olivares, Jorge; Cervera Moreno, Francisco Salvador; Sánchez-Dehesa Moreno-Cid, José; Gopar, V. A. (American Physical Society, 2014-11)Experimental evidence demonstrating that anomalous localization of waves can be induced in a controllable manner is reported. A microwave waveguide with dielectric slabs randomly placed is used to confirm the presence ... -
Kan, Weiwei; García Chocano, Víctor Manuel; Cervera Moreno, Francisco Salvador; Liang, B.; Zou, X.Y.; Yin, L.L.; Cheng, Jianchun; Sánchez-Dehesa Moreno-Cid, José (American Physical Society, 2015-06-26)This paper reports the design, fabrication, and experimental validation of a broadband acoustic cloak for the concealing of three-dimensional (3D) objects placed inside an open cavity with arbitrary surfaces. This 3D cavity ... -
García Chocano, Víctor Manuel; Cabrera García, Suitberto; Sánchez-Dehesa Moreno-Cid, José (American Institute of Physics, 2012-10-29)Absorption of broadband noise by sonic crystals consisting of microperforated cylindrical shells is proposed and experimentally demonstrated. The theoretical study has been performed in the framework of multiple scattering ...
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Sánchez-Dehesa Moreno-Cid, José; Arias-Gonzalez, J. R. (Frontiers Media, 2022-08-17)[EN] We show that Shannon's information entropy provides a correct physical insight of localization effects taking place in structured fields fashioned by eigenmodes upon substrate. In particular, we find that the localization ... -
Díaz Rubio, Ana (Universitat Politècnica de València, 2015-09-01)[EN] Metamaterials are periodic structures whose unit cells are small compared to the wavelength at the operating frequency. Under these conditions, these artificial materials can be considered as homogeneous media whose ...
Mostrando ítems 1-20 de 82
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