Free Vibration Investigations of Rotating FG Beams Resting on Elastic Foundation with Initial Geometrical Imperfection in Thermal Environments

Figure 9

The dependence of the first four vibration mode shapes of the FGM beam on the rotational speed, n = 0.5 and r = 0. (a) C-F, , and r = 0. (b) C-F, , and (r) = 0. (c) S-S, , and r = 0. (d) S-S, , and r = 0.

(a)

(b)

(c)

(d)