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 4

Comparison of the RMS values for the experimental and numerical results for a vehicle horizontal acceleration of 0.49 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)	0.044	0.062	0.075	0.078	0.046	0.093
Numerical method (RMS)	0.048	0.061	0.082	0.075	0.050	0.099
Error %	7.713	2.649	8.899	3.814	8.922	6.685