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Civil-Comp Proceedings
ISSN 1759-3433 CCP: 71
COMPUTATIONAL CIVIL AND STRUCTURAL ENGINEERING Edited by: G. De Roeck and B.H.V. Topping
Paper XIII.2
Railway Bridge-Rolling Stock, Non-Linear Dynamic Interaction D.W. O'Dwyer and R.P. Gallagher
Department of Civil, Structural and Environmental Engineering, Trinity College Dublin, Dublin, Ireland D.W. O'Dwyer, R.P. Gallagher, "Railway Bridge-Rolling Stock, Non-Linear Dynamic Interaction", in G. De Roeck, B.H.V. Topping, (Editors), "Computational Civil and Structural Engineering", Civil-Comp Press, Edinburgh, UK, pp 285-291, 2000. doi:10.4203/ccp.71.13.2
Abstract
This paper describes a methodology for modelling the
dynamic response of a railway bridge and track system under
the action of rolling stock. The methodology presented
separates the rolling stock, track system and bridge into three
separate systems. This approach has the advantage of
reducing the band width of the mass and stiffness matrices,
which results in faster execution, and making the non-linear
interaction between wheels and rails easier to model. The
approach described is also ideal for including the effects of
wheel profile and rail surface irregularities.
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