2008
DOI: 10.1016/j.soildyn.2007.06.004
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Dynamic response of high-speed rail foundations using linear hysteretic damping and frequency domain substructuring

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Cited by 23 publications
(12 citation statements)
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“…Compared to the BEM, the FEM presents an interesting alternative only if absorbing boundary conditions to avoid spurious reflections are well defined. These conditions are known as transmitting boundaries, which are sub-categorised by Wang et al [15] as elementary boundaries (Figures 2(a) and 2(b)), local boundaries (Figure 2(c)) or consistent boundaries (typically the infinite elements). The goal is to obtain an accurate description of the near field, including eventual complex geometries or nonlinear behaviours, and an accurate radiation condition estimating the far field.…”
Section: Modelling Seismic Wave Propagationmentioning
confidence: 99%
“…Compared to the BEM, the FEM presents an interesting alternative only if absorbing boundary conditions to avoid spurious reflections are well defined. These conditions are known as transmitting boundaries, which are sub-categorised by Wang et al [15] as elementary boundaries (Figures 2(a) and 2(b)), local boundaries (Figure 2(c)) or consistent boundaries (typically the infinite elements). The goal is to obtain an accurate description of the near field, including eventual complex geometries or nonlinear behaviours, and an accurate radiation condition estimating the far field.…”
Section: Modelling Seismic Wave Propagationmentioning
confidence: 99%
“…However, the method becomes cumbersome when dealing with complex geometries, while frequency domain is limited to linear problems. In parallel, the continuously increasing power of computers and the development of infinite elements have opened the door to FEM models and it is presently possible to manage fully three-dimensional soil models, either in frequency (Wang et al, 2008) and, more recently in time domain (Kouroussis et al, 2011e). Indeed, Kouroussis et al (2011dKouroussis et al ( , 2009 have demonstrated that it is possible, in time domain, to alleviate the requirements in terms of domain and element size simulation.…”
Section: Railway-induced Ground Vibrationsmentioning
confidence: 99%
“…Johansson's paper has three main conclusions: that the UPS only influences the lower part of the frequency spectrum (,250 Hz); that the highest rail pad stiffness in combination with the lowest USP stiffness yields the highest acceleration; and that the railseat loads are almost independent of the USP stiffness. Wang et al (2008) proposed a study on rubber-modified asphalt concrete acting as ballast mats which are modelled following a hysteretic behaviour, whereas Hanson and Singleton (2006) used a simple single-degree-of-freedom model developed by Wettschureck and Kurze (1985). Comparisons between predictions and measurements indicate good agreement for the resonant frequency dip and the mid-frequency insertion loss.…”
Section: Introductionmentioning
confidence: 99%