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An efficient experimental methodology for the assessment of the dynamic behaviour of resilient elements
(Multidisciplinary Digital Publishing Institute (MDPI), 2020-06-27)
Artículo
Acceso abiertoThe assessment of the dynamic behaviour of resilient elements can be performed using the indirect method as described in the standard ISO 10846-3. This paper presents a methodology for control the error on the estimation ... -
A numerical and scaled experimental study on ride comfort enhancement of a high-speed rail vehicle through optimizing traction rod stiffness
(SAGE PUBLICATIONS INC, 2020)
Artículo
Acceso restringido por política de la editorialIn this research, the effect of rail vehicle carbody’s flexural modes on the ride comfort of an example high-speed railway vehicle is investigated. The vehicle is modeled as a rigid multi-body system, where the rigid body ... -
Development of a hybrid FE-SEA-experimental model
(2019-12-01)
Artículo
Acceso restringido por política de la editorialThe vibro-acoustic response of complex structures with uncertain properties is a problem of great concern for modern industries. In recent years, much research has been devoted to the prediction of this response in the ... -
Experimental and numerical assessment of local resonance phenomena in 3D-printed acoustic metamaterials
(2020-04)
Artículo
Acceso restringido por política de la editorialThe 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)
Artículo
Acceso restringido por política de la editorialThe 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)
Artículo
Acceso restringido por política de la editorialFor 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)
Artículo
Acceso restringido por política de la editorialThis 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)
Artículo
Acceso abiertoThis 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)
Artículo
Acceso restringido por política de la editorialThis 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)
Artículo
Acceso restringido por política de la editorialThis 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)
Artículo
Acceso restringido por política de la editorialNoise 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)
Artículo
Acceso abiertoThis 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 ...
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