Free Vibration Exploration of Rotating FGM Porosity Beams under Axial Load considering the Initial Geometrical Imperfection

Figure 6

The dependence of the first four vibration mode shapes of the rotating FGM beam on the rotational speed, S-S, n = 1, and  = 0.5. (a) S-S,  = 0, and r = 0. (b) S-S,  = 8, and r/L = 1.

(a)

(b)