Challenges and progress in the understanding and modelling of the wheel–rail creep forces

E Vollebregt, K Six, O Polach - Vehicle System Dynamics, 2021 - Taylor & Francis
This paper surveys advances in the understanding and modelling of wheel–rail creep
forces. The main focus is placed on tribological aspects, for which significant progress was …

Numerical calculation of wear in rolling contact based on the Archard equation: Effect of contact parameters and consideration of uncertainties

B Liu, S Bruni, R Lewis - Wear, 2022 - Elsevier
Wear in rolling contact is a complex phenomenon because it is multi-scale and multi-
physical by nature and involves many strongly correlated parameters. It makes the …

Recent advances in wheel-rail RCF and wear testing

S Shrestha, M Spiryagin, E Bernal, Q Wu, C Cole - Friction, 2023 - Springer
The wear and rolling contact fatigue (RCF) testing approaches for wheels and rails have
been reviewed and evaluated in this study. The study points out the advantages and …

Review of conformal wheel/rail contact modelling approaches: towards the application in rail vehicle dynamics simulation

B Liu, E Vollebregt, S Bruni - Vehicle System Dynamics, 2024 - Taylor & Francis
The paper provides a review of modelling approaches for conformal wheel/rail rolling
contact, with a focus on contact models in the context of railway vehicle dynamics simulation …

Comparison of wheel/rail contact modelling in prediction of wheel tread wear under changeable friction conditions

Y Yang, R Wang, J Wang, L Ling, K Wang… - Vehicle System …, 2024 - Taylor & Francis
Wheel/rail interaction modelling is pronouncedly critical in characterising the frictional
contact behaviours which immediately causes vehicle-track coupled vibrations and …

Generalisation of the linear theory of rolling contact to a single double-elliptic contact region and its application to solve non-Hertzian contact problems using extended …

B Liu, B Fu, S Bruni - Vehicle System Dynamics, 2023 - Taylor & Francis
Most contact models addressing the solution of the tangential problem assume an elliptical
shape of the contact patch which is derived from the Hertz theory. In particular, the linear …

Improving the robustness of non-Hertzian wheel–rail contact model for railway vehicle dynamics simulation

Y Sun, F Shi, S Zhang, H Wang, M Xing - Multibody System Dynamics, 2023 - Springer
Computational robustness is a fundamental requirement for wheel–rail dynamic interaction
simulations. To improve the computational robustness of a wheel–rail non-Hertzian contact …

Optimisation of train speed to limit energy consumption

J Nespoulous, C Soize, C Funfschilling… - Vehicle System …, 2022 - Taylor & Francis
The speed profile of a train plays an important role in energy consumption and resulting
costs. The industrial objective of this work is thus to develop a method to reduce the energy …

Comparison of numerical and computational aspects between two constraint-based contact methods in the description of wheel/rail contacts

X Yu, JF Aceituno, E Kurvinen, MK Matikainen… - Multibody System …, 2022 - Springer
The numerical and computation aspects of the Knife-edge Equivalent Contact (KEC)
constraint and lookup table (LUT) methods are compared in this paper. The LUT method …

A novel local ellipse method for ellipse-based tangential contact model applied to wheel-rail contact

B An, P Wang - International Journal of Rail Transportation, 2024 - Taylor & Francis
In order to simplify wheel-rail rolling contact for engineering computation, it usually applies
an ellipse-based tangential contact model to non-elliptical contact patch. This paper …