A Modified Fourier–Ritz Formulation for Vibration Analysis of Arbitrarily Restrained Rectangular Plate with Cutouts

Figure 3

Mode shapes for flexural vibration of the CCCC-FFFF plate structure with one rectangular cutout locating inside of the plate: the (a) first mode shape; (b) second mode shape; (c) fourth mode shape; (d) eighth mode shape; (e) sixteenth mode shape; (f) thirty-second mode shape; (g) hundredth mode shape; and (h) two-hundredth mode shape.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)