3D transient elasto-plastic finite element analysis of a flatted railway wheel in rolling contact

Hossein Alizadeh Otorabad, Parisa Hosseini Tehrani, Davood Younesian

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

A precise study of stress state is crucial for an accurate evaluation of railway wheel defects. Wheel flats cause severe impact loads, which aggravate wheel failure. This paper describes 3D transient elasto-plastic finite element analyses of undamaged and flatted railway wheels using Chaboche’s plasticity model as material model. The effect of the impact load is considered on contact region parameters that influence the stress. The results show that in a flatted wheel, the maximum contact force might not lead to a maximum von-Mises stress. It occurs in all cases considered, in a cross-section just above the leading edge of the wheel flat.
LanguageEnglish
Pages751-766
Number of pages16
JournalMechanics Based Design of Structures and Machines
Volume46
Issue number6
Early online date11 Apr 2018
DOIs
Publication statusPublished - 14 May 2018
Externally publishedYes

Fingerprint

Elasto-plastic
Railway
wheels
Wheel
Wheels
plastics
Contact
Finite Element
Plastics
Finite element method
impact loads
Contact Force
leading edges
plastic properties
Plasticity
Cross section
Defects
evaluation
causes
cross sections

Cite this

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abstract = "A precise study of stress state is crucial for an accurate evaluation of railway wheel defects. Wheel flats cause severe impact loads, which aggravate wheel failure. This paper describes 3D transient elasto-plastic finite element analyses of undamaged and flatted railway wheels using Chaboche’s plasticity model as material model. The effect of the impact load is considered on contact region parameters that influence the stress. The results show that in a flatted wheel, the maximum contact force might not lead to a maximum von-Mises stress. It occurs in all cases considered, in a cross-section just above the leading edge of the wheel flat.",
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3D transient elasto-plastic finite element analysis of a flatted railway wheel in rolling contact. / Alizadeh Otorabad, Hossein; Hosseini Tehrani, Parisa; Younesian, Davood .

In: Mechanics Based Design of Structures and Machines, Vol. 46, No. 6, 14.05.2018, p. 751-766.

Research output: Contribution to journalArticle

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AU - Hosseini Tehrani, Parisa

AU - Younesian, Davood

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