Simulation of wheel and rail profile wear:a review of numerical models  

作　　者：N.Bosso M.Magelli N.Zampieri 

机构地区：[1]Department of Mechanical and Aerospace Engineering,Politecnico Di Torino,C.so Duca degli Abruzzi 24,10129 Turin,Italy

出　　处：《Railway Engineering Science》2022年第4期403-436,共34页铁道工程科学（英文版）

摘　　要：The development of numerical models able to compute the wheel and rail profile wear is essential to improve the scheduling of maintenance operations required to restore the original profile shapes.This work surveys the main numerical models in the literature for the evaluation of the uniform wear of wheel and rail profiles.The standard structure of these tools includes a multibody simulation of the wheel-track coupled dynamics and a wear module implementing an experimental wear law.Therefore,the models are classified according to the strategy adopted for the worn profile update,ranging from models performing a single computation to models based on an online communication between the dynamic and wear modules.Nevertheless,the most common strategy nowadays relies on an iteration of dynamic simulations in which the profiles are left unchanged,with co-simulation techniques often adopted to increase the computational performances.Work is still needed to improve the accuracy of the current models.New experimental campaigns should be carried out to obtain refined wear coefficients and models,while strategies for the evaluation of both longitudinal and transversal wear,also considering the effects of tread braking,should be implemented to obtain accurate damage models.

关 键 词：WEAR Wheel and rail profiles Wheel-rail contact Railway vehicle dynamics Multibody simulation CO-SIMULATION 

分 类 号：U211.5[交通运输工程—道路与铁道工程] U213.42