Vibration Analysis of Annular Sector Plates under Different Boundary Conditions

Figure 3

The first six mode shapes for an annular sector plate (𝑎/𝑏=0.4 and 𝜙=16𝜋/9) with elastic restraints, 𝑘=10⁵ N/m and 𝐾=10⁷ Nm/rad, at all the four edges: the (a) first, (b) second, (c) third, (d) fourth, (e) fifth, and (f) sixth mode shape.

(a)

(b)

(c)

(d)

(e)

(f)