Free Transverse Vibration of Circular Plate of Stepped Thickness with General Boundary Conditions by an Improved Fourier–Ritz Method

Figure 2

Modal shapes of transverse displacement for stepped circular Mindlin plate with simply supported boundary condition. (a) First mode(k, p) = (0, 1), (b) second mode(k, p) = (1, 1), (c) third mode(k, p) = (2, 1), (d) fourth mode(k, p) = (0, 2).

(a)

(b)

(c)

(d)