Applicable Formulas for Shear and Thermal Buckling of Perforated Rectangular Panels

Table 3

Normalized buckling loads for square (a/b = 1.0) simply supported (SSSS) perforated panel exposed to shear load case.

d/b	SFSM [3]	FEM [3]	Pham equations [3]	Reference [4]	FEM [4]	Present equation (2)
0	9.328	9.328	9.328	9.235	9.24	9.340
0.05	9.059	9.125	8.997			8.893
0.1	8.487	8.562	8.47	8.683	8.479	8.306
0.15	7.737	7.797	7.747			7.625
0.2	6.938	6.998	6.828	7.054	6.948	6.895
0.25	6.153	6.199	6.122			6.157
0.3	5.409	5.445	5.382	5.465	5.403	5.440
0.35	4.718	4.753	4.704			4.768
0.4	4.09	4.121	4.086	4.089	4.051	4.153
0.45	3.53	3.556	3.528			3.601
0.5	3.038	3.059	3.032	2.998	2.969	3.113
0.55	2.612	2.629	2.596			2.687
0.6	2.247	2.25	2.239	2.185	2.162	2.318
0.65	1.936	1.94	1.959			1.999
0.7	1.672	1.676	1.679			1.726
0.75	1.449	1.446	1.399			1.493
0.8	1.26	1.251	1.119			1.293