The Influence of the Motor Traction Vibration on Fatigue Life of the Bogie Frame of the Metro Vehicle

Table 2

The peak and frequency of the dynamic stress response at the key nodes.

Frequency	P1/stress (MPa^2∙Hz^−1)		P2/stress (MPa^2∙Hz^−1)		P3/stress (MPa^2∙Hz^−1)
	Traction	Idle running	Traction	Idle running	Traction	Idle running
84.279	2157.150	1479.530	578.429	396.752	3024.340	2079.140
78.885	699.092	501.669	80.046	57.410	770.571	552.419
56.066	366.335	128.741	12.440	6.830	62.182	21.121
68.710	153.482	65.530	38.997	12.132	2.761	0.863
49.225	133.416	47.614	8.123	2.918	2.397	0.926
261.520	87.341	16.146	1.029	0.399	2.614	0.702