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Browsing by Author "Romeu Garbí, Jordi"Més informacióMés informació

Now showing items 1-20 of 109

    • 2.5D singular boundary method for exterior acoustic radiation and scattering problems 

      Fakhraei, Javad; Arcos Villamarín, Robert; Pàmies Gómez, Teresa; Romeu Garbí, Jordi (2022-10)
      Article
      Open Access
      In this paper, a numerical methodology based on a two-and-a-half-dimensional (2.5D) singular boundary method (SBM) to deal with acoustic radiation and scattering problems in the context of longitudinally invariant structures ...

    • A 2.5D coupled FEM-BEM-MFS methodology for longitudinally invariant soil-structure interaction problems 

      Liravi, Hassan; Arcos Villamarín, Robert; Ghangale, Dhananjay; Noori, Behshad; Romeu Garbí, Jordi (Elsevier, 2021-04)
      Article
      Open Access
      This paper is concerned with a new prediction methodology for longitudinally invariant soil-structure interaction problems in elastodynamics. The method uses the finite-element method to model the structure, the boundary-element ...

    • A 2.5D coupled FEM–SBM methodology for soil–structure dynamic interaction problems 

      Liravi, Hassan; Arcos Villamarín, Robert; Clot Razquin, Arnau; Conto Quispe, Kenny Fernando; Romeu Garbí, Jordi (Elsevier, 2022-01-01)
      Article
      Open Access
      In 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 FEM-BEM-MFS methodology for soil-structure interaction problems in layered half-spaces 

      Liravi, Hassan; Arcos Villamarín, Robert; Ghangale, Dhananjay; Romeu Garbí, Jordi (2020)
      Conference report
      Open Access
      In this paper, a new prediction methodology to deal with longitudinally invariant soil-structure interaction problems in elastodynamics is presented. The method uses the finite-element method to model the structure, the ...

    • A 2.5D hybrid SBM-MFS methodology for elastic wave propagation problems 

      Liravi, Hassan; Clot Razquin, Arnau; Arcos Villamarín, Robert; Fakhraei, Javad; Godinho, Luis; Conto Quispe, Kenny Fernando; Romeu Garbí, Jordi (2024-09-15)
      Article
      Open Access
      This paper proposes a novel hybrid methodology that combines the singular boundary method (SBM) and the method of fundamental solutions (MFS) for the computational simulation of elastic wave propagation. Particularly, the ...

    • 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 high-performance electromagnetic vibration energy harvester based on ring magnets with Halbach configuration 

      Ordóñez Izquierdo, Víctor Hugo; Arcos Villamarín, Robert; Romeu Garbí, Jordi (Elsevier, 2022-12-01)
      Article
      Open Access
      This paper proposes and studies a ring-shaped architecture with Halbach configuration for electromagnetic vibration energy harvesters. The proposed transducer consists of three ring magnets with a linear Halbach array that ...

    • A hybrid SBM-MFS methodology to deal with wave propagation 

      Liravi, Hassan; Arcos Villamarín, Robert; Clot Razquin, Arnau; Godinho, Luis; Romeu Garbí, Jordi (2022)
      Conference report
      Open Access
      In this paper, a novel hybrid 2.5D SBM-MFS approach is formulated and developed in the frequency domain. This approach inherits the accuracy of MFS while keeping the robustness presented by the SBM. The MFS is employed to ...

    • 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
      Open Access
      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
      Open Access
      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 methodology for the assessment of underground railway-induced vibrations based on radiated energy flow computed by means of a 2.5D FEM-BEM approach 

      Ghangale, Dhananjay; Arcos Villamarín, Robert; Clot Razquin, Arnau; Romeu Garbí, Jordi (Springer, 2019)
      Conference lecture
      Restricted access - publisher's policy
      In 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 novel hybrid SBM-MFS methodology for acoustic wave propagation problems 

      Fakhraei, Javad; Arcos Villamarín, Robert; Pàmies Gómez, Teresa; Liravi, Hassan; Godinho, Luís; Romeu Garbí, Jordi (Elsevier, 2024-09-15)
      Article
      Open Access
      In this paper, a novel hybrid meshless approach that combines the singular boundary method (SBM) and the method of fundamental solutions (MFS) to deal with two-dimensional (2D) exterior acoustic wave propagation problems ...

    • A novel meshless numerical methodology for the simulation of acoustic thin barriers performance 

      Fakhraei, Javad; Arcos Villamarín, Robert; Pàmies Gómez, Teresa; Romeu Garbí, Jordi (International Institute of Acoustics and Vibration, 2024)
      Conference report
      Open Access
      This paper presents a highly efficient numerical meshless methodology capable to predict the performance of acoustic thin barriers used in road and railway traffic systems. The proposed approach operates on a hybrid framework ...

    • 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 ...

    • Accuracy and performance tests of a wireless georeferenced noise sensor for mobile noise sampling 

      Quintero Pérez, Guillermo; Balastegui Manso, Andreu; Romeu Garbí, Jordi (2023)
      Conference report
      Restricted access - publisher's policy
      Wireless Sensor Networks (WSN) have been expanded due, among many other things, to the advances in technology and the cost reductions of electronic components, which allows to produce low-cost and low-power sensor nodes. ...

    • Acelerómetros y sensores de vibración 

      Romeu Garbí, Jordi; Genesca Francitorra, Meritxell (2010-04)
      Article
      Restricted access - publisher's policy

    • Acoustic emission at the wheel-rail contact with micro-slip and stick-slip 

      Babici, Laura Mariana; Tudor, Andrei; Romeu Garbí, Jordi (2022)
      Conference report
      Open Access
      The paper aimsto analyse the occurrence of acoustic emission at the wheel-rail contact during microslip. The experimental model allows the different loads and the low sliding speeds specific to the wheel-rail contact. It ...

    • 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 ...