Time Period of the Vibration of the Circular Plate with Circular Variation Both in Thickness and Density

Table 2

Time period of clamped and simply supported circular plates vs. thermal gradient .

Clamped	0.0	0.039 83	0.098 67	0.291 13	0.039 72	0.109 37	0.331 94
	0.2	0.043 13	0.102 25	0.303 11	0.043 27	0.114 58	0.345 61
	0.4	0.047 36	0.107 99	0.317 49	0.047 97	0.120 81	0.361 94
	0.6	0.053 07	0.114 87	0.335 37	0.054 58	0.128 69	0.382 21
	0.8	0.061 18	0.125 76	0.359 05	0.064 81	0.140 00	0.409 00
Simply supported	0.0	0.041 07	0.110 52	0.441 02	0.047 93	0.116 44	0.470 30
	0.2	0.042 15	0.117 55	0.460 21	0.049 88	0.123 06	0.491 00
	0.4	0.043 30	0.126 69	0.482 80	0.052 04	0.131 82	0.515 35
	0.6	0.044 52	0.139 20	0.510 45	0.054 42	0.144 16	0.545 40
	0.8	0.045 82	0.157 71	0.546 54	0.057 06	0.163 22	0.583 40