Analysis of Functionally Graded Material Plates Using Triangular Elements with Cell-Based Smoothed Discrete Shear Gap Method

Table 6

Critical buckling parameters for a thin simply supported FGM skew plate with 𝑎/ℎ= 100 and 𝑎/𝑏= 1.

Skew angle	𝜆cr	Gradient index, 𝑛
		0		1		5	10
		[14]	Present	[43]	Present
0°	𝜆cru	4.0010	4.0034	1.7956	1.8052	1.2624	1.0846
	𝜆crb	2.0002	2.0017	0.8980	0.9028	0.6312	0.5423
15°	𝜆cru	4.3946	4.4007	1.9716	1.9799	1.3859	1.1915
	𝜆crb	2.1154	2.1187	0.9517	0.9561	0.6683	0.5741
30°	𝜆cru	5.8966	5.9317	2.6496	2.6496	1.8586	1.6020
	𝜆crb	2.5365	2.5491	1.1519	1.1520	0.8047	0.6909