Shakedown stress analysis of insulated rail joint (IRJ)
Mandal, Nirmal Kumar, Dhanasekar, Manicka, & Boyd, Paul (2009) Shakedown stress analysis of insulated rail joint (IRJ). In The 8th International Conference on Contact Mechanics and Wear of Rail/Wheel Systems, 15 - 18 September 2009 , Palazzo degli Affari, Florence.
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A finite element numerical simulation is carried out to examine stress distributions on railhead in the cicinity of the endpost of an insulated rail joint. The contact patch and pressure distribution are considered using modified Hertzian simulation. A combined elasto-plastic material modelling available in Abaqus is employed in the simulation. A dynamic load factor of 1.21 is considered in modelling for the wheel load based on a previous study as part of this on going research. Shakedown theorem is employed in this study. A peak pressure load which is above the shakedown limit is determined as input load. As a result, a progressive damage in the railhead has been captured as depicted in the equivalent plastic strain plot.
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|Item Type:||Conference Paper|
|Keywords:||Element Numerical Simulation, Stress Distribution, Railhead, Insulated Rail Joint (IRJ)|
|Subjects:||Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500)|
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > Schools > School of Urban Development
|Copyright Owner:||Copyright 2009 [please consult the author]|
|Deposited On:||31 Aug 2011 22:08|
|Last Modified:||12 Apr 2013 14:31|
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