RBF-Based Meshless Method for Large Deflection of Elastic Thin Rectangular Plates with Boundary Conditions Involving Free Edges

Table 1

Deflections and stresses for SSSF plate under a uniform load.

FEM	RBF	Diff.%	FEM	RBF	Diff.%	FEM	RBF	Diff.%	FEM	RBF	Diff.%
1.5	0.130	0.129	0.880	0.211	0.210	0.487	0.720	0.700	2.784	1.008	0.971	3.746
3.0	0.260	0.258	0.855	0.422	0.420	0.507	1.440	1.400	2.732	2.017	1.941	3.745
4.5	0.390	0.387	0.852	0.633	0.630	0.558	2.156	2.099	2.672	3.026	2.914	3.703
6.0	0.519	0.515	0.878	0.844	0.839	0.641	2.869	2.794	2.631	4.037	3.890	3.638
7.5	0.648	0.642	0.933	1.055	1.047	0.755	3.578	3.485	2.587	5.048	4.869	3.542
9.0	0.777	0.769	1.016	1.267	1.255	0.896	4.281	4.170	2.611	6.060	5.850	3.462
10.5	0.904	0.894	1.118	1.477	1.462	1.057	4.979	4.844	2.719	7.073	6.830	3.430
12.0	1.032	1.019	1.253	1.688	1.667	1.255	5.671	5.505	2.928	8.086	7.805	3.475