Results 11 to 20 of about 5,355 (265)
ANALYTICAL MODEL OF THE DYNAMICS OF RAILWAY SLEEPER [PDF]
Proceedings of the 6th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering (COMPDYN 2015), 2017 The periodically supported beam is an analytical model of the dynamics of a railway track, where each rail together with its supports (sleepers) is independent of the other one. However , the sleepers connect the two rails and their behaviour could influence the response. This study develops an analytical model for this type of track by considering the
Tran, Le Hung +5 more
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Nihon Kikai Gakkai ronbunshu, 2021 In this study, a large-eddy simulation (LES) is conducted to investigate meandering airflows generated throughout the underbody of a real-shaped train model in open air.
Koji NAKADE +2 more
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Development of a model for predicting worn profile of rail under the mixed slip conditions
Nihon Kikai Gakkai ronbunshu, 2020 Rail wear does not develop in a short term, but it is closely related to crack initiation. Furthermore, there is a possibility that the worn profile of rail influences the curving performance or the running stability.
Masahiro TSUJIE +3 more
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Railway Dynamics with Curved Contact Patch
, 2021 The wheel-rail contact modeling is of paramount importance for the dynamics of railway vehicles since it represents the interaction between the vehicle and the track. Although, in most cases, the contact generated occurs between convex surfaces which results in planar contact areas, the contact might take place in concave surfaces when negotiation ...
Marques, Filipe +4 more
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The Lateral Dynamics of a Nonsmooth Railway Wheelset Model [PDF]
International Journal of Bifurcation and Chaos, 2018 In this paper, we investigate the lateral dynamics of a railway wheelset suspended under a moving car with linear springs and dry friction dampers. Both theoretical and numerical methods are used to complement each other. The car runs on an ideal, straight and perfect track with a constant speed.
Tingting Zhang, Hans True, Huanyun Dai
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Nihon Kikai Gakkai ronbunshu, 2019 The control of the imbalance of wheel load in a railway vehicle is important in maintaining running safety against a flange climb derailment. This paper discusses a control method for quasi-static wheel load variation in transition curves by utilizing ...
Takatoshi HONDO, Mitsugi SUZUKI
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Nihon Kikai Gakkai ronbunshu, 2018 This paper provides a hybrid simulation (HS) system for pantograph/catenary systems based upon the dynamically substructured system (DSS) method. HS consists of a physical pantograph, an actuator to excite the pantograph head and a real-time simulator ...
Shigeyuki KOBAYASHI +3 more
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Wheel Flats in the Dynamic Behavior of Ballasted and Slab Railway Tracks
Applied Sciences, 2021 Wheel flats induce high-impact loads with relevance for the safety of the vehicle in operation as they can contribute to broken axles, hot axle boxes, and damaged rolling bearings and wheels. The high loads also induce damage in the track components such
Cecilia Vale
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StationRank: Aggregate dynamics of the Swiss railway
PLOS ONE, 2020 Increasing availability and quality of actual, as opposed to scheduled, open transport data offers new possibilities for capturing the spatiotemporal dynamics of railway and other networks of social infrastructure. One way to describe such complex phenomena is in terms of stochastic processes.
Georg Anagnostopoulos, Vahid Moosavi
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Damage detection method for sleepers based on vibration properties
MATEC Web of Conferences, 2015 In order to detect the damages of PC sleeper in the ballast track which cannot be inspected visually, the damage detection method using vibration mode characteristic of PC sleepers was developed.
Matsuoka Kodai +2 more
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