An Edge-Based Smoothed Finite Element for Free Vibration Analysis of Functionally Graded Porous (FGP) Plates on Elastic Foundation Taking into Mass (EFTIM)

Table 1

Nondimensional frequencies of plates.

Plates	K1	K2	Author
SSSS; h/a = 0.01	100	10	Ferreira et al. [17]	2.6559		5.5718		8.5384
			Zhou et al. [14]	2.6551	0.03	5.5717	0.00	8.5406	0.03
			Xiang et al. [5]	2.6551	0.03	5.5718	0.00	8.5405	0.02
			MITC3	2.6604	0.17	5.6103	0.70	8.6296	1.07
			Present	2.6590	0.12	5.5920	0.37	8.6017	0.74
	500	10	Ferreira [17]	3.3406		5.9285		8.7754
			Zhou et al. [14]	3.3398	0.02	5.9285	0.00	8.7775	0.02
			Xiang et al. [5]	3.3400	0.02	5.9287	0.00	8.7775	0.02
			MITC3	3.3441	0.10	5.9649	0.61	8.8642	1.01
			Present	3.3430	0.07	5.9477	0.32	8.8370	0.70
SSSS; h/a = 0.1	200	10	Ferreira et al. [17]	2.7902		5.3452		7.8255
			Zhou et al. [14]	2.7756	0.52	5.2954	0.93	7.7279	1.25
			Xiang et al. [5]	2.7842	0.22	5.3043	0.77	7.7287	1.24
			MITC3	2.7874	0.10	5.3258	0.36	7.7719	0.68
			Present	2.7887	0.05	5.3362	0.17	7.7971	0.36
	1000	10	Ferreira et al. [17]	3.9844		6.0430		8.3112
			Zhou et al. [14]	3.9566	0.70	5.9757	1.11	8.1954	1.39
			Xiang et al. [5]	3.9805	0.10	6.0078	0.58	8.2214	1.08
			MITC3	3.9827	0.04	6.0266	0.27	8.2619	0.59
			Present	3.9836	0.02	6.0358	0.12	8.2856	0.31
CCCC; h/a = 0.015	1390.2	166.83	Ferreira et al. [17]	8.1669		12.821		16.842
			Zhou et al. [14]	8.1675	0.01	12.823	0.02	16.833	0.05
			Omurtag et al. [6]	8.1375	0.36	12.898	0.60	16.932	0.53
			MITC3	8.1842	0.21	12.909	0.69	17.010	1.00
			Present	8.1729	0.07	12.872	0.40	16.939	0.58