[图书][B] Vehicle–track coupled dynamics models
W Zhai, W Zhai - 2020 - Springer
Theoretical model is the base for the study of vehicle–track coupled dynamics problems. In
this chapter, the principle and methodology for modeling of vehicle–track coupled systems …
this chapter, the principle and methodology for modeling of vehicle–track coupled systems …
A critical review on the vertical stiffness irregularity of railway ballasted track
The dynamic performance of a railway track subjected to moving trains depends strongly on
track support conditions. In reality, even for the well-constructed and well-maintained tracks …
track support conditions. In reality, even for the well-constructed and well-maintained tracks …
[HTML][HTML] A probabilistic model for track random irregularities in vehicle/track coupled dynamics
Track irregularities generally viewed as weak stationary random processes are perhaps the
most important excitations to the vehicle/track coupled system. To better clarify the random …
most important excitations to the vehicle/track coupled system. To better clarify the random …
[HTML][HTML] A three-dimensional dynamic model for train-track interactions
This paper develops a novel three-dimensional (3-D) train-track interaction model, where
the train is modelled as a group of multi-rigid-body vehicles connected by coupler and gear …
the train is modelled as a group of multi-rigid-body vehicles connected by coupler and gear …
Stochastic analysis model for vehicle-track coupled systems subject to earthquakes and track random irregularities
This paper devotes to develop a computational model for stochastic analysis and reliability
assessment of vehicle-track systems subject to earthquakes and track random irregularities …
assessment of vehicle-track systems subject to earthquakes and track random irregularities …
[HTML][HTML] A stochastic dynamic model of train-track-bridge coupled system based on probability density evolution method
Z Yu, J Mao - Applied Mathematical Modelling, 2018 - Elsevier
An innovative stochastic dynamic model of a 3D train-track-bridge coupled system (TTBS)
with refined wheel/rail interaction is established for a high-speed railway based on the …
with refined wheel/rail interaction is established for a high-speed railway based on the …
[HTML][HTML] Extreme-oriented sensitivity analysis using sparse polynomial chaos expansion. Application to train–track–bridge systems
The use of sensitivity analysis is essential in model development for the purposes of
calibration, verification, factor prioritization, and mechanism reduction. While most …
calibration, verification, factor prioritization, and mechanism reduction. While most …
Matrix coupled model for the vehicle–track interaction analysis featured to the railway crossing
L Xu, X Liu - Mechanical Systems and Signal Processing, 2021 - Elsevier
This paper presents a matrix coupled model for the vehicle–track interaction analysis with
the crossing panel taken into account. In this model, the wheel–rail contact is assumed to be …
the crossing panel taken into account. In this model, the wheel–rail contact is assumed to be …
Uncertainty and sensitivity analysis for train-ballasted track–bridge system
L Xin, X Li, Y Zhu, M Liu - Vehicle System Dynamics, 2020 - Taylor & Francis
This paper is devoted to present an integrated uncertainty and sensitivity procedure for use
in performance assessments for train–bridge interactions. Firstly, a train-ballasted track …
in performance assessments for train–bridge interactions. Firstly, a train-ballasted track …
[HTML][HTML] A coupled model for train-track-bridge stochastic analysis with consideration of spatial variation and temporal evolution
Due to random characteristics of system parameters and excitations, the dynamic
assessment and prediction for the train-track-bridge interaction systems become rather …
assessment and prediction for the train-track-bridge interaction systems become rather …