Peiró-Torres, María Del Pilar; Castiñeira Ibáñez, Sergio; Redondo, Javier; Sánchez Pérez, Juan Vicente(American Institute of Physics, 2019-04-29)
[EN] The emergence of materials artificially designed to control the transmission of waves, generally called metamaterials, has been a hot topic in the field of acoustics for several years. The design of these metamaterials ...
Romero García, Vicente; Fuster García, Elíes; García-Raffi, L. M.; Sánchez Pérez, Juan Vicente; Uris Martínez, Antonio(American Physical Society, 2007)
[EN] Sonic crystals are defined as materials consisting of periodic distributions of acoustic scatterers in another medium with different elastic properties. These materials present two main acoustical features: they present ...
Romero García, Vicente; Vasseur, Jerome; Hladky Hennion, A. C.; García Raffi, Luis Miguel; Sánchez Pérez, Juan Vicente(American Physical Society, 2011-12)
This work theoretically and experimentally reports the evanescent connections between propagating bands in periodic acoustic materials. The complex band structures obtained by solving for the k(¿) problem reveal a complete ...
Romero García, Vicente; Sánchez Pérez, Juan Vicente; García Raffi, Luis Miguel(Japan Society of Applied Physics, 2012-07-20)
Inverse-designed scattering acoustical elements, called quasi-ordered structures (QOSs), are theoretically and experimentally reported in this work, showing their possibilities as attenuation devices. Multiobjective ...
Romero García, Vicente; Krynkin, A.; García-Raffi, L. M.; Umnova, O.; Sánchez Pérez, Juan Vicente(Elsevier, 2013-01-07)
An acoustic metamaterial made of a two-dimensional (2D) periodic array of multi-resonant acoustic scatterers is analyzed both experimentally and theoretically. The building blocks consist of a combination of elastic beams ...
Romero García, Vicente(Universitat Politècnica de València, 2010-12-15)
El control de las propiedades acústicas de los cristales de sonido (CS) necesita del estudio de la distribución de dispersores en la propia estructura y de las propiedades acústicas intrínsecas de dichos dispersores. En ...
[EN] The correction of transcranial focused ultrasound aberrations is a relevant topic for enhancing various non-invasive medical treatments. Presently, the most widely accepted method to improve focusing is the emission ...
Peiró Torres, María del Pilar; Redondo Pastor, Francisco Javier; Bravo Plana-Sala, José Mª; Sánchez Pérez, Juan Vicente(Editorial Universitat Politècnica de València, 2016-06-01)
[EN] Noise control is an environmental problem of first magnitude nowadays. In this work, we present a new concept of acoustic screen designed to control the specific noise generated by transport infrastructures, based on ...
Peiró-Torres, María Del Pilar; Redondo, Javier; Bravo Plana-Sala, José Mª; Sánchez Pérez, Juan Vicente(Elsevier, 2016)
Noise control is an environmental problem of first magnitude nowadays. In this work, we present a new concept of acoustic screen designed to control the specific noise generated by transport infrastructures, based on new ...
Herrero Durá, Juan Manuel; Garcia-Nieto, Sergio; Blasco, Xavier; Romero García, Vicente; Sánchez Pérez, Juan Vicente; García-Raffi, L. M.(Springer-Verlag, 2009-08)
[EN] This paper shows a promising method for acoustic barrier design using a new acoustic material called Sonic Crystals (SCs). The configuration of these SCs is set as a multiobjective optimization problem which is very ...
Redondo, Javier; Sánchez Pérez, Juan Vicente; Blasco, Xavier; Herrero Durá, Juan Manuel; Vorlander, Michael(Acoustical Society of America, 2016-05)
Sonic crystals have been demonstrated to be good candidates to substitute for conventional diffusers in order to overcome the need for extremely thick structures when low frequencies have to be scattered, however, their ...
Castiñeira Ibáñez, Sergio; Romero García, Vicente; Sánchez Pérez, Juan Vicente; García-Raffi, L. M.(European Physical Society, 2010-11)
The transmission of acoustic waves in a fractal distribution of rigid scatterers embedded in air is reported in this work. The Sierpinsky fractal is used to produce a compact small device containing several periodicities, ...
Castiñeira Ibáñez, Sergio; Romero García, Vicente; Sánchez Pérez, Juan Vicente; García-Raffi, L. M.(Gheorghe Asachi Technical University of Iasi, 2015-12)
[EN] The design, the realization of the prototype and the acoustic standardization process of a novel periodic system made up of multiphysical phenomena scatterers as a road traffic noise reducing device are reported in ...
Romero García, Vicente; Sánchez Pérez, Juan Vicente; García-Raffi, L. M.(IOP Publishing: Open Access Journals, 2010-08)
Complex band structures and multiple scattering theory have been
used in this paper to analyze the overlapping of the evanescent waves localized
in point defects in sonic crystals (SCs). The extended plane wave ...
Castiñeira Ibáñez, Sergio; Rubio Michavila, Constanza; Redondo, Javier; Sánchez Pérez, Juan Vicente(Japan Society of Applied Physics, 2014-04)
The improvement in the bandgap properties of a set of acoustic scatterers arranged according to a fractal geometry is theoretically quantified in this work using the multiple scattering theory. The analysis considers the ...
Peiró Torres, María del Pilar(Universitat Politècnica de València, 2021-03-30)
[ES] El control de ruido ambiental es una preocupación de primera magnitud para las sociedades avanzadas, debido a los problemas derivados que ocasionan en la salud de los ciudadanos. Una de las soluciones más extendidas ...
Tarín Císcar, Rafael(Universitat Politècnica de València, 2013-06-10)
El objetivo principal de este trabajo final de carrera consiste en la maximización de la
atenuación acústica mediante la combinación de siete pantallas acústicas. Además, se
comprobará la bondad de FDTD como herramienta ...
Peiró-Torres, María Del Pilar; Parrilla-Navarro, Manuel Jesús; Ferri García, Marcelino; Bravo, Jose Maria; Sánchez Pérez, Juan Vicente; Redondo, Javier(Elsevier, 2019-05)
[EN] This article presents the use of advanced tools applied to the design of devices that can solve specific acoustic problems, improving the already existing devices based on classic technologies. Specifically, we have ...
Fuster García, Elíes; Romero García, Vicente; Sánchez Pérez, Juan Vicente; García-Raffi, L. M.(American Institute of Physics (AIP), 2007)
[EN] Sonic crystals are periodic structures that have acoustic band gaps centred at frequencies depending on the lattice constant of the array and on the direction of the incident acoustic wave. To eliminate this dependence, ...
Romero García, Vicente; Sánchez Pérez, Juan Vicente; García-Raffi, L. M.(American Institute of Physics (AIP), 2011)
The physical properties of a periodic distribution of absorbent resonators is used in this work to design a tunable wideband bandstop acoustic filter. Analytical and numerical simulations as well as experimental validations ...