Torsional Vibrations of a Conic Shaft with Opposite Tapers Carrying Arbitrary Concentrated Elements
Figure 9
The lowest five mode shapes of the free-free PN-taper shaft with taper ratio (cf. case 2 of Table 1): (a) for the bare shaft (without any attachment, cf. Figure 3); (b) for the loaded shaft (carrying 5 rigid disks and 5 torsional springs as shown in Figure 8).