Optimization of rail profile design for high-speed lines based on Gaussian function correction method

Y Qi, H Dai, F Gan, H Sang - … , Part F: Journal of Rail and …, 2023 - journals.sagepub.com
As high-speed trains operate at a higher speed, the problem of rail wear is more serious. In
this paper, a new Gaussian function correction (GFC) method is proposed to design the new …

Optimizing wheel profiles and suspensions for railway vehicles operating on specific lines to reduce wheel wear: a case study

Y Ye, Y Sun, S Dongfang, D Shi, M Hecht - Multibody system dynamics, 2021 - Springer
The selection of a wheel profile is a topic of great interest as it can affect running
performances and wheel wear, which needs to be determined based on the actual …

Rotary-scaling fine-tuning (RSFT) method for optimizing railway wheel profiles and its application to a locomotive

Y Ye, Y Qi, D Shi, Y Sun, Y Zhou, M Hecht - Railway Engineering Science, 2020 - Springer
The existing multi-objective wheel profile optimization methods mainly consist of three sub-
modules:(1) wheel profile generation,(2) multi-body dynamics simulation, and (3) an …

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 …

Influence of individual wheel profiles on the assessment of running dynamics of a rail vehicle by numerical simulation: a case study

B Liu, S Bruni - Vehicle System Dynamics, 2022 - Taylor & Francis
It is well known that wheel wear degrades the dynamic performance of the rail vehicles,
especially in regard to the issue customarily known as 'running stability'and resulting in the …

Reducing wheel wear from the perspective of rail track layout optimization

Y Ye, Y Sun - Proceedings of the Institution of Mechanical …, 2021 - journals.sagepub.com
Wheel wear (W-wear) is one of the most critical issues affecting vehicle-track performances
and operating costs. Currently, the works on W-wear behavior and W-wear reduction are …

The effect of railway wheel wear on reprofiling and service life

AC Pires, LA Pacheco, IL Dalvi, CS Endlich… - Wear, 2021 - Elsevier
The aim of this study is to analyze how wheel wear affects the wheel reprofiling and service
life and evaluate if these aspects can be improved by a new optimal wheel profile design …

Numerical study of wheel–rail adhesion performance of new-concept high-speed trains with aerodynamic wings

Y Chen, L Jing, T Li, L Ling, K Wang - Journal of Zhejiang University …, 2023 - Springer
Wheel–rail adhesion is a complex tribological problem of wheel–rail rolling contact and is
closely related to the operational safety of high-speed trains. A new design concept of high …

Optimisation of railhead profiles for curved tracks using improved non-uniform rational B-splines and measured profiles

L Wu, J Liu, M Dhanasekar, H Wang, Z Wen - Wear, 2019 - Elsevier
Optimisation of railhead profiles using improved non-uniform rational B-Splines (NURBS)
and measured profiles is presented for curved tracks to minimise wear. Measured geometry …

Damage Identification for Railway Tracks Using Onboard Monitoring Systems in In-Service Vehicles and Data Science

N Traquinho, C Vale, D Ribeiro, A Meixedo… - Machines, 2023 - mdpi.com
Nowadays, railway track monitoring strategies are based on the use of railway inspection
vehicles and wayside dynamic monitoring systems. The latter sometimes requires traffic …