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

Table 2

Natural frequencies of FFFF-FFFF-FFFF rectangular plate with two inner cutouts in different truncation schemes.

M = N	1	2	3	4	5	6	7	8
7	2.30	3.26	4.07	6.22	6.45	11.04	11.13	12.12
8	2.30	3.25	4.01	6.21	6.43	11.01	11.13	11.96
9	2.29	3.25	4.01	6.20	6.43	10.84	10.98	11.96
10	2.29	3.24	4.00	6.20	6.43	10.84	10.97	11.90
11	2.29	3.24	4.00	6.19	6.42	10.60	10.95	11.90
12	2.29	3.24	3.98	6.18	6.42	10.59	10.95	11.89
13	2.29	3.24	3.98	6.18	6.41	10.45	10.93	11.89
14	2.29	3.23	3.97	6.18	6.41	10.45	10.93	11.84
15	2.29	3.23	3.97	6.17	6.41	10.38	10.92	11.84
16	2.29	3.22	3.96	6.17	6.41	10.38	10.92	11.83
17	2.29	3.22	3.96	6.17	6.41	10.38	10.92	11.83
18	2.29	3.22	3.96	6.17	6.41	10.38	10.92	11.83