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Prediction of dynamic train-track interaction and subsequent material deterioration in the presence of insulated rail joints

Elena Kabo (Institutionen för tillämpad mekanik, Material- och beräkningsmekanik) ; Jens C. O. Nielsen (Institutionen för tillämpad mekanik, Dynamik) ; Anders Ekberg (Institutionen för tillämpad mekanik, Material- och beräkningsmekanik)
Vehicle System Dynamics (0042-3114). Vol. 44 (2006), S1, p. 718 - 729.
[Artikel, refereegranskad vetenskaplig]

Numerical analysis of high-frequency dynamic train-track interaction is combined with the analysis of material deterioration in terms of rolling contact fatigue (RCF) and plastic deformations to analyze the influence of insulated rail joints. These joints form local rail irregularities and lead to a local change of dynamic track stiffness. Dynamic responses at wheel passes are evaluated. Further, related plastic deformations at the joint and increased RCF impact along a stretch of the track adjacent to the joint are predicted.

Nyckelord: Dynamic train-track interaction; Material deterioration; Rolling contact fatigue; Insulated rail joint; Finite element simulations; Plastic deformations



Denna post skapades 2008-01-15. Senast ändrad 2017-10-03.
CPL Pubid: 66539

 

Institutioner (Chalmers)

Institutionen för tillämpad mekanik, Material- och beräkningsmekanik (2005-2017)
Institutionen för tillämpad mekanik, Dynamik (1900-2017)

Ämnesområden

Fastkroppsmekanik

Chalmers infrastruktur