Research Article
Buckling Analysis of Laminated Composite Panel with Elliptical Cutout Subject to Axial Compression
Table 4
Summary of numerical analysis for cylindrical shells including an elliptical cutout with constant width and different height.
| | Model designation | Shell length | Cutout size () | Buckling load () |
| | R400-θ90-L300-L0150-α70-Perfect | 300 | — | 2535 | | R400-θ90-L300-L0150-α70- | 300 | | 1397 | | R400-θ90-L300-L0150-α70- | 300 | | 1314 | | R400-θ90-L300-L0150-α70- | 300 | | 1201 | | R400-θ90-L300-L0150-α70- | 300 | | 1094 | | R400-θ90-L300-L0150-α70- | 300 | | 1000 | | R400-θ90-L500-L0150-α70-Perfect | 500 | — | 2103 | | R400-θ90-L500-L0150-α70- | 500 | | 1224 | | R400-θ90-L500-L0150-α70- | 500 | | 1139 | | R400-θ90-L500-L0150-α70- | 500 | | 1030 | | R400-θ90-L500-L0150-α70- | 500 | | 930 | | R400-θ90-L500-L0150-α70- | 500 | | 847 | | R400-θ90-L700-L0150-α70-Perfect | 700 | — | 2004 | | R400-θ90-L700-L0150-α70- | 700 | | 1170 | | R400-θ90-L700-L0150-α70- | 700 | | 1064 | | R400-θ90-L700-L0150-α70- | 700 | | 960 | | R400-θ90-L700-L0150-α70- | 700 | | 860 | | R400-θ90-L700-L0150-α70- | 700 | | 750 | | R1000-θ90-L300-L0150-α70-Perfect | 300 | — | 3489 | | R1000-θ90-L300-L0150-α70- | 300 | | 2366 | | R1000-θ90-L300-L0150-α70- | 300 | | 2300 | | R1000-θ90-L300-L0150-α70- | 300 | | 2216 | | R1000-θ90-L300-L0150-α70- | 300 | | 2125 | | R1000-θ90-L300-L0150-α70- | 300 | | 2014 | | R1000-θ90-L500-L0150-α70-Perfect | 500 | — | 2371 | | R1000-θ90-L500-L0150-α70- | 500 | | 1900 | | R1000-θ90-L500-L0150-α70- | 500 | | 1829 | | R1000-θ90-L500-L0150-α70- | 500 | | 1730 | | R1000-θ90-L500-L0150-α70- | 500 | | 1640 | | R1000-θ90-L500-L0150-α70- | 500 | | 1520 | | R1000-θ90-L700-L0150-α70-Perfect | 700 |
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| 2104 | | R1000-θ90-L700-L0150-α70- | 700 | | 1720 | | R1000-θ90-L700-L0150-α70- | 700 | | 1610 | | R1000-θ90-L700-L0150-α70- | 700 | | 1520 | | R1000-θ90-L700-L0150-α70- | 700 | | 1420 | | R1000-θ90-L700-L0150-α70- | 700 | | 1300 |
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