Three-Dimensional Elasticity Solutions for Sound Radiation of Functionally Graded Materials Plates considering State Space Method

Table 1

Structural modes corresponding to the peaks in Figure 6: comparison between the present work and Chandra et al. [22].

Peaks; number	Mode number; (, )	Method	Power-law index N
			0	1	5
1	1 (1, 1)	Present work	146.1	111.5	96.2
		Chandra	146.1	111.5	96.19
2	5 (3, 1)	Present work	602.1	459.6	396.2
		Chandra	602.1	459.6	396.3
3	6 (1, 3)	Present work	858.4	655.3	564.8
		Chandra	858.3	655.2	564.9
4	11 (3, 3)	Present work	1313.6	1002.9	864.3
		Chandra	1313.5	1002.8	864.5
5	13 (5, 1)	Present work	1512.6	1154.8	995.1
		Chandra	1512.5	1154.7	995.4
6	19 (5, 3)	Present work	—	1697.1	1462.0
		Chandra	—	1696.9	1462.6
7	20 (1, 5)	Present work	—	1740.5	1499.3
		Chandra	—	1740.2	1499.9
8	24 (3, 5)	Present work	—	—	1797.3
		Chandra	—	—	1798.4
9	27 (7, 1)	Present work	—	—	1890.4
		Chandra	—	—	1891.6