The Suitability of Using Accumulated Plastic Strain to Assess the Damage at the Rail-Wheel Interfaces
Copyright policy )The Suitability of Using Accumulated Plastic Strain to Assess the Damage at the Rail-Wheel Interfaces
Numerous Abaqus [1] finite element analyses have been carried out using various plasticity models to investigate the effect of friction force on the rail head in relation to both the development of the accumulated plastic strain (PEEQ) and the changes in the depth of PEEQ distribution in the wheel-rail contact. The normal force distribution on the rail head was assumed to be Hertzian. The tangential force was implemented as a fraction of the normal force in the subroutine. Each analysis was carried out for a single pass and the effect of various friction coefficient values has been observed.
- Queensland University of Technology Australia
plastic equivalent strain, material plasticity, Abaqus simulations, pressure load, finite element modelling, Hertzian contact theory, wheel-rail contact
plastic equivalent strain, material plasticity, Abaqus simulations, pressure load, finite element modelling, Hertzian contact theory, wheel-rail contact
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