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

Table 1

The normalized center deflection 𝑤_𝑐=100𝑤_𝑐(𝐸_𝑐ℎ³/12(1−𝜈²)𝑝𝑎⁴) for a simply supported Al/ZrO₂-1 FGM square plate with 𝑎/ℎ= 5, subjected to a uniformly distributed load 𝑝.

Method	Gradient index, 𝑛
	0	1	2
4×4	0.1443	0.2356	0.2644
8×8	0.1648	0.2703	0.3029
16×16	0.1701	0.2795	0.3131
32×32	0.1714	0.2819	0.3158
40×40	0.1716	0.2822	0.3161
NS-DSG3 [47]	0.1721	0.2716	0.3107
ES-DSG3 [47]	0.1700	0.2680	0.3066
MLPG [45]	0.1671	0.2905	0.3280
𝑘𝑝-Ritz [46]	0.1722	0.2811	0.3221
MITC4 [47]	0.1715	0.2704	0.3093
IGA-Quadratic [22]	0.1717	0.2719	0.3115