Probabilistic evaluation approach for nonlinear vehicle–bridge dynamic performances

Jin, Zhibin; Pei, Shiling; Li, Xiaozhen; Shi-zhong, Qiang

doi:10.1016/j.jsv.2014.11.008

Cited by 29 publications

(18 citation statements)

References 19 publications

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“…The hunting forces applied on the roadbed are then transferred to the bridge structure and are essentially unchanged (based on the observations in [14]). In fact, a study in [22] indicated that the vibration of bridge has limited effect on the wheel forces and the response of the train and the bridge can be solved in a decoupled fashion (e.g.…”

Section: Random Hunting Forces Loaded On the Bridgementioning

confidence: 99%

“…In this study, the vehicle parameters and rail irregularities are taken from [14]. The running speed of the vehicle is 200 km/h in producing Figure 1.…”

Section: Random Hunting Forces Loaded On the Bridgementioning

confidence: 99%

“…Zhang et al [13] used the pseudo excitation method (PEM) to solve the random vibration of vehicle-bridge system by assuming linear wheel-rail relation. Jin et al [14] solved the non-linear random vibration of vehicle-bridge systems using the equivalent linearization method, and proposed an explicit linearization algorithm for the slowly time-varying system.…”

Section: Introductionmentioning

confidence: 99%

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Vehicle-induced random vibration of railway bridges: a spectral approach

Jin

Pei

et al. 2017

International Journal of Rail Transportation

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The vibration of railway bridges induced by moving vehicles was conventionally evaluated through time domain simulations, which are computationally expensive in probabilistic analyses that require Monte Carlo simulation. A frequency domain solution to the random vibration of railway bridges is derived in this paper where the random wheel-rail force is represented by its power spectral density. As a frequency domain approach, the proposed method is naturally suitable for the random analysis of the vehicleinduced bridge vibration, and the method is highly efficient since it only involves the Fast Fourier Transform (FFT). Numerical examples showed that the simply supported bridge may resonate in several natural modes due to the coincidence of dominant frequencies of hunting forces to the natural frequencies of the bridge. For long-span bridges with low natural frequencies out of which the dominant hunting frequencies fall, resonances are unlikely to occur. ARTICLE HISTORY

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Section: Random Hunting Forces Loaded On the Bridgementioning

confidence: 99%

“…In this study, the vehicle parameters and rail irregularities are taken from [14]. The running speed of the vehicle is 200 km/h in producing Figure 1.…”

Section: Random Hunting Forces Loaded On the Bridgementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Vehicle-induced random vibration of railway bridges: a spectral approach

Jin

Pei

et al. 2017

International Journal of Rail Transportation

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“…Os veículos geralmente são simulados através de: modelos simplificados obtidos de formulações de dinâmica multicorpo (Correa, 2008;Goicolea & Antolín, ~ 2011, Zhai et al, 2013Jin et al, 2014), modelos usando o método de elementos finitos (Li et al, 2010;Ribeiro, 2012) Das respostas calculadas no estudo desenvolvido pelo autor, citado no item 2.2.3, Figura 2.7, sobre a forma de modelagem dos veículos, pode-se extrair as seguintes conclusões:…”

Section: Modelagem Dos Veículosunclassified

“…No entanto, existem também outras abordagens que incluem não linearidades em alguns componentes do sistema veículo-estrutura (Li et al, 2010;Antolin et al, 2013;Delgado, 2013;Jin et al,2014;Real et al, 2015).…”

Section: C) Estados Limites Para As Pontes Ferroviáriasunclassified