Krynkin, Anton; Umnova, Olga; Sánchez Pérez, Juan Vicente; Chong, Alvin Yung Boon; Taherzadeh, Shahram; Attenborough, Keith(Acoustical Society of America, 2011)
The acoustical performances of regular arrays of cylindrical elements, with their axes aligned and parallel to a ground plane, have been investigated through predictions and laboratory experiments. Semi-analytical predictions ...
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 ...
García Chocano, Víctor Manuel; Sánchez-Dehesa Moreno-Cid, José(Elsevier, 2013-01)
[EN] We report acoustic barriers that are designed to attenuate efficiently broadband noise. The barriers are structures consisting of only three layers of cylindrical units containing rubber crumb, a sound absorbing ...