Vibration Analysis of a Rotating Disk with a Crack

Figure 2

Finite element mesh of a disk with (a) a radial crack of length 𝑎/𝑅_𝑜=0.3 or (b) a circumferential crack of angle 𝜃=24^∘ at a distance 𝑅/𝑅_𝑜=0.4.

(a)

(b)