Application of Differential Transform Method toudVibration Analysis of Damped Railway Bridge onudPasternak Foundation under Moving Train

摘要

In this paper, we used differential transformudmethod (DTM) to analyse free vibration of a railway bridge,udmodelled as an orthotropic rectangular plate, supported byudPasternak foundation. The effect of damping was considered.udThe present method transformed the governing equation to itsudalgebraic form. Solution form to similar equation was adopted.udThe results obtained are in agreement with the ones inudliterature, and it shows that the technique introduced is easy toudapply to such differential equation governing the vibration ofudsuch plates.