Benchmark Solution for Free Vibration of Moderately Thick Functionally Graded Sandwich Sector Plates on Two-Parameter Elastic Foundation with General Boundary Conditions

Figure 12

Variations of fundamental frequency parameter Ω of circular sector plate against different sector angles ( = 0.2, = 120°, and = = 5, 2-2-1): (a) CCC (b) CFC; (c) CE¹E¹; (d) E³E³E³.

(a)

(b)

(c)

(d)