Martínez Casas, J.; Mazzola, L.; Baeza González, LM.; Bruni, S. (2013). Numerical Estimation of Stresses in Railway Axles Using a Train-Track Interaction Model. International Journal of Fatigue. 47:18-30. https://doi.org/10.1016/j.ijfatigue.2012.07.006
Por favor, use este identificador para citar o enlazar este ítem: http://hdl.handle.net/10251/78196
Title:
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Numerical Estimation of Stresses in Railway Axles Using a Train-Track Interaction Model
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Author:
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Martínez Casas, José
Mazzola, Laura
Baeza González, Luis Miguel
Bruni, Stefano
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UPV Unit:
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Universitat Politècnica de València. Centro de Investigación en Tecnología de Vehículos - Centre d'Investigació en Tecnologia de Vehicles
Universitat Politècnica de València. Escuela Técnica Superior de Ingenieros Industriales - Escola Tècnica Superior d'Enginyers Industrials
Universitat Politècnica de València. Escuela Técnica Superior de Ingeniería del Diseño - Escola Tècnica Superior d'Enginyeria del Disseny
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Issued date:
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Abstract:
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The fatigue design of railway axles requires that the stresses arising in the axle in real service are accurately quantified. This paper describes a method to compute the dynamic stresses arising in railway axles as the ...[+]
The fatigue design of railway axles requires that the stresses arising in the axle in real service are accurately quantified. This paper describes a method to compute the dynamic stresses arising in railway axles as the effect of train track interaction, based on the numerical simulation of the dynamic interaction between a flexible wheelset and a flexible track. The wheelset is modelled as a flexible rotating body using an Eulerian approach, whereas track is regarded as an infinite periodic system with the rail modelled as a Timoshenko beam resting on discrete elastic supports, considering the inertia associated with the sleepers.
The paper presents an application of the proposed procedure to the calculation of the dynamic stresses caused in the axle by different types of geometric imperfection occurring on the wheel and rail surfaces, considering the cases of a single harmonic rail corrugation, random rail roughness and a wheelflat.
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Subjects:
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Railway vehicles
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Wheelset design
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Wheelset axle fatigue
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Dynamic loads
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Train track interaction
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Copyrigths:
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Reconocimiento - No comercial - Sin obra derivada (by-nc-nd)
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Source:
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International Journal of Fatigue. (issn:
0142-1123
)
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DOI:
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10.1016/j.ijfatigue.2012.07.006
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Publisher:
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Elsevier
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Publisher version:
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http://dx.doi.org/10.1016/j.ijfatigue.2012.07.006
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Project ID:
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info:eu-repo/grantAgreement/MICINN//TRA2010-15669/ES/DESARROLLO DE TECNICAS DE MODELADO AVANZADAS PARA EL ESTUDIO DE LA DINAMICA ACOPLADA DE UN VEHICULO FERROVIARIO CON LA VIA/
info:eu-repo/grantAgreement/MEC//TRA2007-67167/ES/DESARROLLO DE TECNICAS DE SIMULACION Y EXPERIMENTALES ASOCIADAS A LA DINAMICA DE VEHICULOS FERROVIARIOS EN EL RANGO DE BAJAS Y MEDIAS FRECUENCIAS/
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Thanks:
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The authors gratefully acknowledge the support for this work provided by the Project TRA2010-15669 (Ministerio de Ciencia e Innovacion) and TRA2007-67167 (Ministerio de Educacion y Ciencia-FEDER).
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Type:
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Artículo
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