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Then, it considers a more realistic problem of eight train vehicles crossing an arch bridge.
The train vehicles are simulated as multibody assemblies and the bridge with a three-dimensional finite element model.
It provides about 4,100 passenger train vehicles and 280 freight locomotives to passenger and freight operators.
The histories of the train traversing the bridges are simulated and the dynamic responses of the piers and the train vehicles are calculated.
Afterwards, the running safety indices such as derailment factor, offload factor and lateral wheel-rail force of train vehicles are investigated.
The resonant train speed of the train-bridge system is discussed, and the running safety and the stability of the train vehicles on the bridge are evaluated.
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The train vehicle is represented by a four degrees-of-freedom model, and the seismic excitation is exerted using the acceleration input.
This model can be used to simulate the interaction among the train (vehicle), track and foundation, as well as simulate the bridge vehicle interaction without considering the elastic foundation.
The chosen train vehicle is the Italian pendolino train vehicle with its pendulum system.
The train's aerodynamic and rolling resistance forces are the properties of each train vehicle.
Considering Fig. 1, a train vehicle is moving up on an inclined rail surface.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com