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

Table 4

The first three nondimensional frequencies of FGP on EFTIM.

Parameter of plate	β	0	0.25	0.5	0.75	1
Case 1		1.1015	0.9575	0.8583	0.7847	0.7273
(K1 = 100, K2 = 10)		2.3078	2.0156	1.8118	1.6595	1.5400
(SSSS)		3.5651	3.1154	2.8015	2.5665	2.3822
Case 2		1.0225	0.8988	0.8113	0.7453	0.6931
(K1 = 100, K2 = 10)		2.0774	1.8350	1.6612	1.5289	1.4239
(SSSS)		3.2410	2.8630	2.5921	2.3859	2.2221
Case 3		1.2537	1.0735	0.9538	0.8669	0.8001
(K1 = 100, K2 = 10)		2.7399	2.3531	2.0942	1.9054	1.7599
(SSSS)		4.1972	3.6097	3.2152	2.9269	2.7044