Browsing by Author "Clot Razquin, Arnau"
Now showing items 1-20 of 47
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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 elastic wave propagation problems
(2024-09-15)
Article
Open AccessThis 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 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 dynamical model of a double-deck circular tunnel embedded in a full-space
(Universitat Politècnica de Catalunya, 2014-02-20)
Doctoral thesis
Open AccessThis thesis presents a three-dimensional dynamic model of a double-deck circular tunnel embedded in a full-space. The model uses the receptance method to obtain the response of the complete structure from the response of ... -
A hybrid SBM-MFS methodology to deal with wave propagation
(2022)
Conference report
Open AccessIn 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 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 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 pile–soil interaction model for ground-borne vibration problems based on the singular boundary method
(Elsevier, 2024-01-06)
Article
Restricted access - publisher's policyAn efficient three-dimensional approach for solving pile–soil interaction problems is proposed. In the approach, the soil is modelled as an elastic half-space, and its response in the presence of the pile’s corresponding ... -
A power flow analysis of a double-deck circular tunnel embedded in a full-space
(2014-02)
Article
Restricted access - publisher's policyThe 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 ... -
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 ... -
An efficient experimental methodology for the assessment of the dynamic behaviour of resilient elements
(Multidisciplinary Digital Publishing Institute (MDPI), 2020-06-27)
Article
Open AccessThe 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
(2016-10)
Article
Open AccessThis 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 ... -
An experimental exploration of the properties of random frequency response functions
(2021-01)
Article
Open AccessThe vibro-acoustic analysis of complex structures over a broadband frequency range is an extremely challenging problem that may often require the use of a hybrid deterministic-statistical approach. Due to manufacturing ... -
Application of dynamic vibration absorbers on a double-deck circular railway tunnel to minimize the radiated vibration energy flow induced by a moving load
(2017)
Conference report
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 double-deck circular railway tunnel ... -
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, ... -
Combined sensitivity analysis for multiple failure modes
(2022-05-10)
Article
Open AccessSensitivity analysis identifies the influential parameters and it is a key step in the design process. Focusing on reliability based design, the probability of a failure mode and its sensitivity to input uncertainties are ... -
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 ...
