On the Critical Speed, Supercritical Bifurcation, and Stability Problems of Certain Type of High-Speed Rail Vehicle

Table 2

Eigenvalues for = 115 MN/m.

Nat. damping	Frequency (Hz)
0.0280	1.0763
0.0547	1.9598
0.0470	2.0473
0.0347	2.0604
0.0570	2.5242
0.3682	3.4584
0.4274	3.9547
0.9621	4.4891
0.9555	4.8816
0.0075	6.6075
0.0037	6.6300
0.6168	11.571
0.6162	11.576
0.2763	11.991
0.2725	12.0062
0.4537	15.7025