Browsing by Author "Liravi, Hassan"
Now showing items 1-16 of 16
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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-BEM-MFS methodology for longitudinally invariant soil-structure interaction problems
(Elsevier, 2021-04)
Article
Open AccessThis 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
(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 FEM-BEM-MFS methodology for soil-structure interaction problems in layered half-spaces
(2020)
Conference report
Open AccessIn 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
(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 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 novel hybrid SBM-MFS methodology for acoustic wave propagation problems
(Elsevier, 2024-09-15)
Article
Open AccessIn 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 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 ... -
Advanced 2.5D meshless methodologies to deal with soil-structure interaction problems in elastodynamics
(Universitat Politècnica de Catalunya, 2022-07-29)
Doctoral thesis
Open AccessThis thesis is concerned with the development of efficient and practical numerical methodologies to deal with longitudinally invariant soil-structure interaction problems in elastodynamics. All the approaches appearing in ... -
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, ... -
Modified 2.5D singular boundary methods to deal with spurious eigensolutions in exterior acoustic problems
(2023-04)
Article
Open AccessThis paper studies the problem of spurious eigensolutions in the context of the singular boundary method (SBM) formulated in the two-and-a-half-dimensional (2.5D) domain and proposes two numerical schemes to overcome this ... -
Numerical investigation on train-induced environmental vibration in floating ladder tracks
(2020-10-15)
Article
Open AccessA floating ladder track is established in the present paper as a next-generation non-ballasted track system. The three-dimensional model consists of a track (mass-spring-damping system) and the underlying soil. Rectangular ... -
Simulation of Hydraulic Jump through Channels Junction Using the Flor 3D and Flunent Models
(2015-01-02)
Article
Open AccessThis paper presents to analyze the current characteristics in channel’s junction and their upstream and downstream based on hydraulic jump due to junction. In this case using two rectangular flume with 1 and 5 percent slope ... -
Use of Innovative Shotcrete-Tube Technology in Excavation Mechanism Instead of Bentonite Clay Cycling
(2013)
Article
Open AccessNowadays excavations are mostly performed with bentonite clay cycling which is so inappropriate in economical and timing issues of projects.In this method introduced, all unwanted machinery and constructions are limited ... -
VIBWAY: A user-friendly computational tool for the prediction of railway-induced ground-borne noise and vibration
(2022)
Conference report
Open AccessThis paper aims to introduce preliminary statement of methods of a computationally efficient and user-friendly toolbox, called VIBWAY, able to predict vibration and re-radiated noise levels in two situations. On the one ...
