From: Elastic buckling of simply supported stiffened steel plates with circular opening
 | Parameter | Range of study |
---|---|---|
Plate properties | α = W/D | 0.5, 1, 1.5, and 2 |
W/tp | 100, 125, 200 | |
Opening dimensions | H=OPH/W | 0.1–0.5 |
X=OPX/W | 0.1–0.5 | |
Y = OPY/D | 0.1–0.5 | |
Stiffener dimensions | Bs/ts | 10 |
β=Bs/OPH | 0.4–0.8 | |
Hs/OPH | 1.1, 1.3, and 1.5 |