Vibration Characteristics of Rotating Mistuned Bladed Disks considering the Coriolis Force, Spin Softening, and Stress Stiffening Effects

Figure 19

Comparison on the probability densities versus absolute AMF under the action of backward and forward traveling wave excitations of 3EO: (a) case STA, (b) case COR, (c) case SOF, and (d) case STF. 2000 mistuning patterns generated by uniform distribution of mean 0 and standard deviation 2.0% are used in Monte Carlo simulation.

(a)

(b)

(c)

(d)