A semi-analytical numerical method for modelling the normal wheel–rail contact - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Vehicle System Dynamics Année : 2022

A semi-analytical numerical method for modelling the normal wheel–rail contact

Résumé

A new semi-analytical boundary element method is proposed for determining the wheel-rail contact zone and the normal stress distribution within it. The potential contact area is discretised using strip elements, employing an iterative algorithm to satisfy the contact constraints. At each iteration, the length of the contact strips is updated using an analytical expression based on Hertz's theory. This simplified formulation provides good approximation of the pressure distribution and consequently the contact area in non-elliptic cases. The reduction in the number of system unknowns by using a semi-analytical methodology also enables fast computation speeds, an indispensable requirement in railway dynamics.
Fichier principal
Vignette du fichier
A semi-analytical numerical method for modelling the normal wheel rail contact.pdf (2.61 Mo) Télécharger le fichier
Origine : Publication financée par une institution

Dates et versions

hal-03293850 , version 1 (21-07-2021)
hal-03293850 , version 2 (14-03-2024)

Identifiants

Citer

Aquib Qazi, Honoré Yin, Michel Sebès, Hugues Chollet, Cédric Pozzolini. A semi-analytical numerical method for modelling the normal wheel–rail contact. Vehicle System Dynamics, 2022, 60 (4), pp.1322-1340. ⟨10.1080/00423114.2020.1854319⟩. ⟨hal-03293850v2⟩
60 Consultations
163 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More