A Series Solution for the Vibration of Mindlin Rectangular Plates with Elastic Point Supports around the Edges

Figure 3

The first six mode shapes of square rectangular plates with completely free boundary conditions calculated by the present method.

(a) The 1st mode

(b) The 2nd mode

(c) The 3rd mode

(d) The 4th mode

(e) The 5th mode

(f) The 6th mode