A three-dimensional approach for contact detection between realistic wheel and rail surfaces for improved railway dynamic analysis

F Marques, H Magalhães, J Pombo, J Ambrósio… - … and Machine Theory, 2020 - Elsevier
The wheel-rail contact modeling problem assumes a preponderant role on the dynamic
analysis of railway systems using multibody systems formulations. The accurate and efficient …

Investigations on the influence of prestressed concrete creep on train-track-bridge system

P Xiang, W Huang, L Jiang, D Lu, X Liu… - Construction and Building …, 2021 - Elsevier
In response to long-term operation of prestressed concrete railway bridges, the girder body
will arch because of creep, which may influence the running stability of high-speed trains …

Investigation of rail irregularity effects on wheel/rail dynamic force in slab track: Comparison of two and three dimensional models

J Sadeghi, A Khajehdezfuly, M Esmaeili… - Journal of Sound and …, 2016 - Elsevier
Rail irregularity is one of the most significant load amplification factors in railway track
systems. In this paper, the capability and effectiveness of the two main railway slab tracks …

Dynamic Sustainable Processes Simulation to Study Transport Object Efficiency

I Bondarenko, A Severino, IO Olayode, T Campisi… - Infrastructures, 2022 - mdpi.com
The development of reliability theory has led to the setting of tasks requiring consideration of
the efficiency and functional safety of technical objects of transport over the life cycle. The …

A practical three-dimensional wheel-rail interaction element for dynamic response analysis of vehicle-track systems

Y Liu, PA Montenegro, Q Gu, W Guo, R Calçada… - Computers & …, 2021 - Elsevier
A novel practical three-dimensional (3D) wheel-rail interaction (WRI) element is developed
to simulate the interaction between a fast-moving wheel node and nodes of the rail. Different …

Dynamic analysis of the high speed train–track spatial nonlinear coupling system under track irregularity excitation

X Lei, H Wang - International Journal of Structural Stability and …, 2023 - World Scientific
Track irregularity is the main factor that affects the safety and comfort of high-speed railway.
It is important to study the influence of the track irregularity on the safety service of high …

Effect of truck shear pads on the dynamic behaviour of heavy haul railway cars

EA Lima, LB Baruffaldi, JLB Manetti… - Vehicle System …, 2022 - Taylor & Francis
Shear pads are devices used to improve vehicle dynamics performance on heavy haul
railways wagons. In this work, we present a method to determine the elastic properties of …

Effects of train speed, track irregularities, and wheel flat on wheel-rail dynamic forces

S Sattari, M Saadat, SH Mirtalaie… - … Journal of Heavy …, 2023 - inderscienceonline.com
Today, the wheel-rail dynamic forces (WRDFs) is one of the criteria for reliable evaluation of
running stability, track loading, and vibration behaviour of railway systems. Over-limit …

Parametric study of wheel flats effects on dynamic forces and derailment coefficient in turnouts

S Sattari, M Saadat, SH Mirtalaie… - … Journal of Heavy …, 2023 - inderscienceonline.com
Evaluating and predicting the possibility of derailment at turnouts is important in operation
and maintenance. In addition, wheel flat defect is one of the sources of infrastructure …

Effect of braking operation on wheel–rail dynamic interaction of wagons in sharp curve

P Liu, K Wang - Proceedings of the Institution of Mechanical …, 2017 - journals.sagepub.com
A heavy-haul train–track coupled dynamic model is developed based on the vehicle–track
coupled theory. The numerical model is verified in two typical cases. For the calculation, the …