The coefficient of friction is one of the most important factors in contact mechanics of wheel/rail. In wet condition, each wheelset has different coefficient of friction, which is less than dry condition. Although this fact is well known, there are few studies on railway vehicle dynamics in consideration of friction characteristics in wet condition. In this study, the coefficient of friction is calculated by numeric operation of elasto-hydrodynamic Lubrication. By applying obtained coefficient of friction to each wheelset in model, motion dynamics and braking performance of railway vehicle in wet condition is simulated.
