Now showing items 1-20 of 71

    • A ground-borne vibration assessment model for rail systems at-grade 

      Cardona, J.; Romeu Garbí, Jordi; Arcos Villamarín, Robert; Balastegui Manso, Andreu (2010)
      Conference report
      Open Access
      Due to the increasing number and kilometres of new railways lines, either high speed railway lines or commuter lines, as well as the increasing in human sensitivity versus ground-borne vibration generated for this mean of ...
    • A low-cost noise measurement device for noise mapping based on mobile sampling 

      Quintero Pérez, Guillermo; Balastegui Manso, Andreu; Romeu Garbí, Jordi (2019-12-01)
      Article
      Restricted access - publisher's policy
      For 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 ...
    • A measurement method to discriminate aircraft fly-over noise 

      Genesca Francitorra, Meritxell; Romeu Garbí, Jordi; Pàmies Gómez, Teresa (2010)
      Conference report
      Restricted access - publisher's policy
      Currently aircraft noise monitoring systems use a mesh of single microphones distributed around an airport to continuously sample the noise level. This fact requires a manual process of aircraft noise event detection and ...
    • A method based on 3D stiffness matrices in Cartesian coordinates for computation of 2.5D elastodynamic Green's functions of layered half-spaces 

      Noori, Behshad; Arcos Villamarín, Robert; Clot, Arnau; Romeu Garbí, Jordi (Elsevier, 2018-11-01)
      Article
      Open Access
      This 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. ...
    • A methodology based on 2.5D FEM-BEM for the evaluation of the vibration energy flow radiated by underground railway infrastructures 

      Ghangale, Dhananjay; Arcos Villamarín, Robert; Clot Razquin, Arnau; Cayero Becerra, Julián Francisco; Romeu Garbí, Jordi (Elsevier, 2020-07-01)
      Article
      Restricted access - publisher's policy
      In 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 power flow analysis of a double-deck circular tunnel embedded in a full-space 

      Clot Razquin, Arnau; Romeu Garbí, Jordi; Arcos Villamarín, Robert; Martín Román, Sara-Regina (2014-02)
      Article
      Restricted access - publisher's policy
      The purpose of the present investigation is to obtain the mean power flow radiated by a double-deck circular tunnel and compares it to the one radiated by a simple circular tunnel. To achieve this, a harmonic line load is ...
    • Acelerómetros y sensores de vibración 

      Romeu Garbí, Jordi; Genesca Francitorra, Meritxell (2010-04)
      Article
      Restricted access - publisher's policy
    • Active control of aircraft fly-over sound transmission through an open window 

      Pàmies Gómez, Teresa; Romeu Garbí, Jordi; Genesca Francitorra, Meritxell; Arcos Villamarín, Robert (2014-04-13)
      Article
      Restricted access - publisher's policy
      This paper presents an experimental work on active control of sound transmission through a restricted opening bottom hinged window. The main goal of the work is to demonstrate the feasibility of the active technique to ...
    • Active control of sound transmission through an aperture in a thin wall 

      Magnusson Morer, Ingrid; Pàmies Gómez, Teresa; Romeu Garbí, Jordi (2014)
      Conference report
      Open Access
      The reduction on sound transmission through an aperture by active means is theoretically investigated. The primary field is composed by a plane wave that arrives at a rectangular aperture placed in an infinite rigid thin ...
    • Actuaciones contra el ruido de actividades de ocio 

      Jiménez Diaz, Santiago; Romeu Garbí, Jordi; Pàmies Gómez, Teresa
      Conference report
      Restricted access - publisher's policy
      In many cities can be found areas where there is a high concentration of local leisure activities and evening entertainment (music bars, nightclubs, restaurants…) that develop their activity in coexistence with the residential ...
    • Agglomeration noise strategic maps in Catalonia 

      Jiménez Diaz, Santiago; Romeu Garbí, Jordi; Pàmies Gómez, Teresa; Majó, Maite (2010)
      Conference report
      Open Access
      The Directive 2002/49 on evaluation and management of the environmental noise demands in case of agglomerations, a series of information that one must communicate to the Commission, between which there is the number of ...
    • Aircraft localization using a passive acoustic method. Experimental test 

      Martín Román, Sara-Regina; Genesca Francitorra, Meritxell; Romeu Garbí, Jordi; Clot Razquin, Arnau (2016-01)
      Article
      Open Access
      A 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 ...
    • Aircraft noise-monitoring according to ISO 20906: evaluation of uncertainty derived from the human factors affecting event detection 

      Asensio, Alberto; Ausejo, Miguel; Kambrosic, Kristian; Kang, Jiang; Moschioni, Giovanni; Pagán, R.; Pavón, I.; Romeu Garbí, Jordi; Trujillo, J. A.; Vigano, Giacomo; Ruiz Delgado, Manuel; Recuero López, Manuel (2012)
      Article
      Restricted access - publisher's policy
      One of the most important issues in aircraft noise monitoring systems is the correct detection and marking of aircraft sound events through their measurement profiles, as this influences the reported results. In the recent ...
    • Aircraft tracking by means of the Acoustical Doppler Effect 

      Martín Román, Sara-Regina; Genesca Francitorra, Meritxell; Romeu Garbí, Jordi; Pàmies Gómez, Teresa (2013-07)
      Article
      Restricted access - publisher's policy
      The present paper presents a passive acoustic method for aircraft tracking. The Acoustical Doppler Effect, characteristic of signals received by a mesh of spatially distributed microphones is the basis of the method. A ...
    • An efficient experimental methodology for the assessment of the dynamic behaviour of resilient elements 

      Reina, Salvatore; Arcos Villamarín, Robert; Clot Razquin, Arnau; Romeu Garbí, Jordi (Multidisciplinary Digital Publishing Institute (MDPI), 2020-06-27)
      Article
      Open Access
      The 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 ...
    • An energy flow study of a double-deck tunnel under quasi-static and harmonic excitations 

      Clot Razquin, Arnau; Romeu Garbí, Jordi; Arcos Villamarín, Robert (2016-10)
      Article
      Open Access
      This paper presents a comparison between the vibration energy flow radiated by a double-deck tunnel and the one radiated by a simple tunnel when both are excited by constant or by harmonic moving loads. For both cases, the ...
    • Analysis of fracture resistance of tool steels by means of acoustic emission 

      Martínez González, Eva; Picas Anfruns, Ingrid; Casellas Padró, Daniel; Romeu Garbí, Jordi (2010-12-10)
      Article
      Restricted access - publisher's policy
      The automotive manufacturers currently use advanced high-strength steels (AHSS) to produce lightweight vehicles with increased safety performance. While showing excellent strengthto-weight ratios, AHSS have several limitations ...
    • Analysis of fracture resistance of tool steels by means of acoustic emission. 

      Martínez González, Eva; Picas Anfruns, Ingrid; Casellas Padró, Daniel; Romeu Garbí, Jordi (2010)
      Conference report
      Open Access
      The usage of advanced high strength steels (AHSS) in structural automotive components has been broadened in the past few years to satisfy the strict specifications of the automotive industry. Besides showing excellent ...
    • Analytical simulations on active control of sound transmission through an aperture in a rectangular enclosure 

      Pàmies Gómez, Teresa; Romeu Garbí, Jordi; Arcos Villamarín, Robert; Martín Román, Sara-Regina (2014-03-01)
      Article
      Restricted access - publisher's policy
      This paper uses an analytical model of sound transmission through an aperture for the study of the performance of an active control of sound inside the enclosure to prevent the transmission of sound through an aperture ...
    • Annual traffic noise levels estimation based on temporal stratification 

      Quintero, G.; Balastegui Manso, Andreu; Romeu Garbí, Jordi (2017-10-19)
      Article
      Open Access
      This 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 ...