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

Figure 8

Mode shapes for in-plane 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) third mode shape; (d) fourth mode shape; (e) fifth mode shape; (f) sixth mode shape; (g) twentieth mode shape; (h) twenty-first mode shape; and (i) twenty-second mode shape.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)