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Experimental and numerical assessment of local resonance phenomena in 3D-printed acoustic metamaterials
(2019-12)
Article
Restricted access - publisher's policyThe so called Locally Resonant Acoustic Metamaterials (LRAM) are a new kind of artificially engineered materials capable of attenuating acoustic waves. As the name suggests, this phenomenon occurs in the vicinity of internal ... -
Control of ground-borne underground railway-induced vibration from double-deck tunnel infrastructures by means of dynamic vibration absorbers
(2019-08-23)
Article
Restricted access - publisher's policyThe aim of this study is to investigate the efficiency of Dynamic Vibration Absorbers (DVAs) as a vibration abatement solution for railway-induced vibrations in the framework of a doubledeck circular railway tunnel ... -
A low-cost noise measurement device for noise mapping based on mobile sampling
(2019-12-01)
Article
Restricted access - publisher's policyFor the production of representative noise maps, a large amount of information is necessary, which includes, among others, on-site measurements of environmental noise. Thus, mobile sampling emerges as a possible solution ... -
Statistical requirements for noise mapping based on mobile measurements using bikes
(2019-12-15)
Article
Restricted access - publisher's policyThis research presents a modeling framework that allows checking the statistical requirements for producing noise maps based on mobile measurements. First, a sound field of reference is created based on a micro-simulation ... -
The coupled effects of bending and torsional flexural modes of a high-speed train car body on its vertical ride quality
(2019-06-12)
Article
Open AccessThis study is focused on the effects of bending and torsional flexural modes of the car body on the ride quality index of a high-speed train vehicle. The Euler–Bernoulli beam model is used to extract an analytical model ... -
A methodology based on sructural finite element Method-Boundary element method and acoustic boundary element method models in 2.5D for the prediction of reradiated noise in Railway-Induced Ground-Borne vibration problems
(2019-06-01)
Article
Restricted access - publisher's policyThis work is focused on the analysis of noise and vibration generated in underground railway tunnels due to train traffic. Specifically, an analysis of noise and vibration generated by train passage in an underground simple ... -
A method based on 3D stiffness matrices in Cartesian coordinates for computation of 2.5D elastodynamic Green's functions of layered half-spaces
(Elsevier, 2018-11-01)
Article
Restricted access - publisher's policyThis article elaborates on an extension to the classical stiffness matrix method to obtain the Green's functions for two-and-a-half dimensional (2.5D) elastodynamic problems in homogeneous and horizontally layered half-spaces. ... -
Temporal and spatial stratification for the estimation of nocturnal long-term noise levels
(2019-02-01)
Article
Restricted access - publisher's policyNoise pollution in cities is mainly caused by the vehicular traffic but, depending on the place under assessment, it could be affected by the land use. For noise assessment and strategic noise mapping, the night period ... -
Annual traffic noise levels estimation based on temporal stratification
(2017-10-19)
Article
Open AccessThis paper proposes a temporal sampling strategy that increases the accuracy of long-term noise level estimation and allows to establish the estimation error according to the number of sampled days. Days of the week are ... -
Efficient three-dimensional building-soil model for the prediction of ground-borne vibrations in buildings
(2017-09-01)
Article
Open AccessThis paper proposes a new efficient model for the prediction of low-amplitude ground-borne vibrations in buildings. The model takes into account the three-dimensional nature of the building structure by analytical and ... -
Numerical study of the aerodynamics of sound sources in a bass-reflex port
(Engineering Applications of Computational Fluid Mechanics, 2017-01-20)
Article
Open AccessThe aim of this paper is to study the aerodynamics phenomena of a bass-reflex port that causes noise in the audible frequency range. After discarding structural and mechanical vibration issues, the hypothesis considered ... -
Aircraft localization using a passive acoustic method. Experimental test
(2016-01)
Article
Open AccessA passive acoustic method for aircraft localization is experimentally tested in this paper. The method relies on the Doppler effect influencing the signals received by a mesh of microphones distributed over the acoustic ...
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