Determining Effects of Wagon Mass and Vehicle Velocity on Vertical Vibrations of a Rail Vehicle Moving with a Constant Acceleration on a Bridge Using Experimental and Numerical Methods

Table 3

Comparison of the RMS values for the experimental and numerical results for a vehicle horizontal acceleration of 0.37 m/s².

	20.75 tons			25.0 tons
	150 km/h	200 km/h	250 km/h	150 km/h	200 km/h	250 km/h
1 : 5 scaled roller rig (RMS)	0.030	0.065	0.076	0.078	0.048	0.093
Numerical method (RMS)	0.029	0.060	0.080	0.075	0.052	0.099
Error %	3.974	7.109	4.8314	3.814	7.423	6.685