TY - JOUR 
A1 - Pardo Quiles, Domingo Javier
AU - Rodríguez Rodríguez, José Víctor
T1 - A fast UTD-Based method for the analysis of multiple acoustic diffraction over a series of obstacles with arbitrary modeling, height and apacing
Y1 - 2020
SN - 2073-8994
UR - http://hdl.handle.net/10317/9249
AB - A uniform theory of diffraction (UTD)-based method for analysis of the multiple diffraction of acoustic waves when considering a series of symmetric obstacles with arbitrary modeling, height and spacing is hereby presented. The method, which makes use of graph theory, funicular polygons and Fresnel ellipsoids, proposes a novel approach by which only the relevant obstacles and paths of the scenario under study are considered, therefore simultaneously providing fast and accurate prediction of sound attenuation. The obstacles can be modeled either as knife edges, wedges, wide barriers or cylinders, with some other polygonal diffracting elements, such as doubly inclined, T- or Y-shaped barriers, also considered. In view of the obtained results, this method shows good agreement with previously published formulations and measurements whilst offering better computational effciency, thus allowing for the consideration of a large number of obstacles.
KW - Multiple sound diffraction
KW - Uniform theory of diffraction
KW - Knife edges
KW - Wide barriers
KW - Funicular profile
KW - Graph theory
KW - Teoría de la Señal y las Comunicaciones
KW - 2202.04 Ondas Electromagnéticas
LA - eng
PB - MDPI
ER -