Titlebook: High Speed Railway Track Dynamics; Models, Algorithms a Xiaoyan Lei Book 2022Latest edition Science Press 2022 Elevated track structure.Hig

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Vertical Vibration Model for the Track Structure and the Vehicle,d the key to solve the complicated dynamic interactions between the vehicle and the track is to construct a reasonable model for the track structure and the vehicle. As the basis for establishing the dynamic analysis model of various vehicle-track coupling systems, the basic concept of dynamic finit

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,A Cross-Iteration Algorithm for Vehicle–Track Nonlinear Coupling Vibration Analysis,ial equation set, the efficiency of the conventional algorithm for solving the large and complicated differential equation set is not satisfied. In this chapter, the cross-iterative algorithm for solving the dynamic finite element equation of nonlinear vehicle-track coupling system is described, and

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,Dynamic Analysis of the Vehicle–Track Coupling System with Finite Elements in a Moving Frame of Refncated boundary of the track structure on the solution. In this chapter, the slab track element model and the associated algorithm in a moving frame of reference for dynamic analysis of the vehicle-track coupling system are presented. Three-layer continuous beam model for the slab track is developed

Pathogen

,Model for Vertical Dynamic Analysis of the Vehicle–Track–Subgrade–Ground Coupling System,effects of subgrade and ground have not been considered and the subgrade is simplified into viscoelastic damping elements. In fact, an accurate analysis of the vehicle dynamic action on the track structure has to consider the interactions among the vehicle, the track, the subgrade and the ground. In

Charlatan

Analysis of Dynamic Behavior of the Train, Ballast Track and Subgrade Coupling System,s. When the high speed train moves over the region of vertical stiffness with abrupt change, additional wheel-rail contact force will be generated obviously. In this chapter, the dynamic analysis model of the train-ballast track-subgrade coupling system is developed based on the model and the algori

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Analysis of Dynamic Behavior of the Train-Slab Track-Subgrade Coupling System,sing the models and algorithms of vehicle and track elements. Stiffness and damping of the rail pad and fastener, stiffness and damping of the CA mortar, and stiffness and damping of the subgrade are selected for parameter analysis. Results of the parameter analysis show among the six parameters, st

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Analysis of Dynamic Behavior of the Transition Section Between Ballast Track and Ballastless Track,ck from the ballast track, additional wheel-rail contact force will be generated. According to the investigation of the transition section, a series of problems occurred in the transition section from the ballast track to the ballastless track under the long-term effect of the train load, resulting