Browsing by Subject "Ferrocarrils -- Vibració"
Now showing items 1-20 of 29
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3D hybrid method for assessing re-radiated noise induced by railway traffic: numerical validation
(2023)
Conference report
Open AccessIn this study, a novel 3D hybrid methodology for assessing re-radiated noise induced by railway traffic is presented. This method combines numerical modelling techniques with experimental measurements to provide a comprehensive ... -
A 2.5D automatic FEM-SBM method for the evaluation of free-field vibrations induced by underground railway infrastructures
(2022)
Conference report
Open AccessThis paper presents an efficient method to predict underground railway-induced vibrations. The method uses the finite element method (FEM) to model the railway tunnel structure and the singular boundary method (SBM) to ... -
A 2.5D coupled FEM–SBM methodology for soil–structure dynamic interaction problems
(Elsevier, 2022-01-01)
Article
Open AccessIn this paper, a novel numerical methodology to deal with longitudinally invariant soil–structure interaction problems is proposed. The methodology uses the finite element method to model the structure and the singular ... -
A 2.5D hybrid SBM-MFS methodology for the evaluation of free-field vibrations induced by underground railway infrastructures
(2023)
Conference report
Restricted access - publisher's policyIn this paper, a new meshless methodology to predict underground railway-induced vibrations is presented. In contrast to previous approaches, the proposed method uses meshless methods to model both the railway tunnel ... -
A hybrid methodology for the assessment of railway-induced ground-borne noise and vibration in buildings based on experimental measurement in the ground surface
(Sociedad Española de Acústica, 2019)
Conference report
Restricted access - publisher's policyIn this paper, a hybrid experimental/numerical methodology for the assessment of railwayinduced ground-borne noise and vibration in buildings based on experimental measurement in the ground surface is presented. This ... -
A methodology based on 2.5D FEM-BEM for the evaluation of the vibration energy flow radiated by underground railway infrastructures
(Elsevier, 2020-07-01)
Article
Open AccessIn this paper, a comprehensive numerical approach for modelling track/tunnel/soil systems in the context of ground-borne railway-induced vibration problems considering a full-space model of the soil is proposed. All the ... -
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 methodology for the assessment of underground railway-induced vibrations based on radiated energy flow computed by means of a 2.5D FEM-BEM approach
(Springer, 2019)
Conference lecture
Restricted access - publisher's policyIn this paper, a comprehensive numerical approach formulated in two-and-a-half dimension (2.5D) for modelling track/tunnel/soil systems in the context of ground-borne railway-induced vibration problems considering a ... -
A model for railway induced ground vibrations in the frame of preliminary assessment studies
(Universitat Politècnica de Catalunya, 2007-07-13)
Doctoral thesis
Open AccessThis thesis focuses on the development of an analytical model for the generation and propagation parts of a global model of ground induced vibrations to be used in preliminary assessment studies for the case of at-grade ... -
A numerical and scaled experimental study on ride comfort enhancement of a high-speed rail vehicle through optimizing traction rod stiffness
(SAGE PUBLICATIONS INC, 2021)
Article
Open AccessIn 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 ... -
Assessment of dynamic vibration absorber efficiency as a countermeasure for ground-borne vibrations induced by train pass-by in double-deck tunnels using an energy flow criterion
(2019)
Conference report
Restricted access - publisher's policyThe environmental problems due to ground-borne vibrations induced by underground railway traffic are an issue of growing concern in urban areas as the demand for underground railway network has been increased. The demand ... -
Assessment of dynamic vibration absorbers efficiency as a countermeasure for ground-borne vibrations induced by train traffic in double-deck tunnels using an energy flow criterion
(Springer, 2019)
Conference report
Restricted access - publisher's policyDouble-deck tunnels are an innovative tunnel layout design useful to enhance the efficiency of underground railway transportation systems in which the tunnel is divided into two sections by an interior floor. However, ... -
CATdBTren project: a complete model for the assessment of vibration impact from new railway infrastructures
(2009)
Conference report
Restricted access - publisher's policyThe prediction of vibration impact remains as a complex challenge for designers of new railway infrastructures. Due to the large quantity of parameters involved in the generation, transmission and reception of the vibration ... -
Computationally efficient model for calculating the 2.5D green's functions of a tunnel buried in a layered half-space system
(2017)
Conference report
Restricted access - publisher's policyNoise and vibration pollution caused by underground railway traffic in urban areas become a major issue of concern due to their effects on the quality of life and comfort of the inhabitants. An accurate and computationally ... -
Control of ground-borne underground railway-induced vibration from double-deck tunnel infrastructures by means of dynamic vibration absorbers
(2019-08-23)
Article
Open AccessThe 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 ... -
Development of frequency-domain source models for railway vibration impact assessment
(2009)
Conference report
Open AccessMany studies have been focused on the development of vibration source models, which comprise both the force applied on the track top and the vibration behaviour of the fixation system. Numerous researchers model the ... -
Efficiency of isolated concrete blocks applied in railway slab tracks as mitigation measures for railway-induced ground-borne vibration in tunnels
(Institute of Noise Control Engineering, 2020)
Conference report
Restricted access - publisher's policyThis paper presents a study of the efficiency of isolated concrete blocks as vibration mitigation measures for railway-induced ground-borne vibration problems in subway metro tunnels. The study is performed numerically, ... -
Estimación de la receptancia dinámica de un material elastomérico ferroviario ubicado bajo la fuente de excitación usando barrido sinusoidal
(2019)
Conference report
Restricted access - publisher's policyLa estimación experimental de la receptancia dinámica requiere de mediciones precisas para la determinación de los parámetros dinámicos tales como el factor de amortiguamiento y las frecuencias de resonancia en superestructuras ... -
Hybrid approach for the assessment of vibrations and re-radiated noise in buildings due to railway traffic: concept and preliminary validation
(CRC Press, 2019)
Conference report
Open AccessIn this paper, a hybrid experimental/numerical methodology for the assessment of railway induced ground-borne noise and vibration in buildings based on experimental measurement in the ground surface is proposed and validated ... -
Modelització de l'efecte Payne d'una manta elastomèrica incorporada a un sistema de via
(Universitat Politècnica de Catalunya, 2014-02-25)
Minor thesis
Open AccessEs pretén en aquesta tesina estudiar l’afectació en l’atenuació global de vibracions que suposa considerar o no l’efecte Payne d’una manta elastomèrica reforçada amb filler incorporada a un sistema de via, així com ...
