Journal of Composites

Research Article

Buckling Analysis of Functionally Graded Material Plates Using Higher Order Shear Deformation Theory

Table 3

Comparison of nondimensionalized critical buckling load () of simply supported Al/Al₂O₃ plate subjected to biaxial compression and tension .


Power-law index,
		Source	0	0.5	1	2	5	10	20	100

0.5	5	[27]	8.960	5.898	4.555	3.527	2.865	2.562	2.282	1.832
	5	Present	8.953	5.879	4.525	3.487	2.833	2.545	2.274	1.829
	10	[27]	9.874	6.428	4.948	3.853	3.222	2.200	2.585	2.033
	10	Present	9.863	6.416	4.934	3.837	3.208	2.911	2.580	2.031
	20	[27]	10.132	6.575	5.057	3.944	3.326	3.025	2.674	2.091
	20	Present	10.120	6.566	5.049	3.936	3.319	3.020	2.670	2.089
	50	[27]	10.207	6.618	5.089	3.971	3.356	3.056	2.700	2.108
	50	Present	10.195	6.610	5.082	3.965	3.352	3.052	2.697	2.105
	100	[27]	10.218	6.624	5.093	3.974	3.361	3.061	2.704	2.110
	100	Present	10.206	6.616	5.087	3.969	3.356	3.057	2.700	2.108

1	5	[27]	26.20^a	17.77^a	13.84^a	10.55^a	7.95^a	6.89^a	6.23^a	5.25^a
	5	Present	26.16^a	17.63^a	13.62^a	10.26^a	7.76^a	6.81^a	6.18^a	5.23^a
	10	[27]	35.84^a	23.59^b	18.22^a	14.10^a	11.45^a	10.24^a	9.12^a	7.32^a
	10	Present	35.71^a	23.45^b	18.04^a	13.90^a	11.30^a	10.15^a	9.07^a	7.297
	20	[27]	39.49^a	25.71^a	19.79^a	15.41^a	12.88^a	11.67^a	10.34^a	8.13^a
	20	Present	39.31^a	25.57^a	19.67^a	15.29^a	12.79^a	11.60^a	10.28^a	8.09^a
	50	[27]	40.65^a	26.37^a	20.283	15.82^a	13.35^a	12.15^a	10.74^a	8.39^b
	50	Present	40.46^a	26.24^a	20.179	15.73^a	13.28^a	12.09^a	10.68^a	8.35^b
	100	[27]	40.82^a	26.47^a	20.35^a	15.88^a	13.42^a	12.22^a	10.79^a	8.43^b
	100	Present	40.62^a	26.34^a	20.25^a	15.80^a	13.35^a	12.16^a	10.74^a	8.39^b

1.5	5	[27]	29.02^b	20.11^b	15.78^b	11.90^b	8.52^b	7.24^b	6.60^b	5.74^b
	5	Present	28.97^b	19.92^b	15.45^b	11.47^b	8.29^b	7.15^b	6.54^b	5.72^b
	10	[27]	37.982	24.878	19.186	14.893	12.252	11.020	9.791	7.789
	10	Present	37.884	24.773	19.060	14.745	12.133	10.950	9.748	7.767
	20	[27]	40.531	26.346	20.244	15.798	13.262	12.038	10.650	8.355
	20	Present	40.408	26.255	20.190	15.718	13.194	11.988	10.612	8.329
	50	[27]	41.308	26.789	20.601	16.072	13.575	12.358	10.919	8.529
	50	Present	41.177	26.702	20.532	16.016	13.528	12.317	10.883	8.502
	100	[27]	41.421	26.854	20.649	16.112	13.624	12.405	10.958	8.554
	100	Present	41.289	26.768	20.582	16.059	13.577	12.365	10.923	8.527

2	5	[27]	26.206	17.770	13.849	10.559	7.959	6.897	6.232	5.256
	5	Present	26.164	17.636	13.620	10.261	7.768	6.814	6.187	5.239
	10	[27]	35.842	23.592	18.221	14.107	11.458	10.247	9.128	7.326
	10	Present	35.715	23.451	18.050	13.909	11.303	10.159	9.073	7.297
	20	[27]	39.495	25.710	19.793	15.412	12.888	11.678	10.340	8.134
	20	Present	39.317	25.576	19.670	15.295	12.791	11.607	10.286	8.096
	50	[27]	40.657	26.374	20.283	15.822	13.355	12.154	10.740	8.393
	50	Present	40.460	26.243	20.179	15.737	13.284	12.092	10.687	8.352
	100	[27]	40.829	26.472	20.355	15.882	13.425	12.226	10.800	8.432
	100	Present	40.629	26.341	20.254	15.803	13.358	12.165	10.747	8.390

Mode for plate is () = (2, 1).
^bMode for plate is () = (1, 2).