Research Article
Buckling Analysis of Laminated Composite Panel with Elliptical Cutout Subject to Axial Compression
Table 5
Summary of numerical analysis for cylindrical shells including an elliptical cutout with constant height 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 | | 1806 | | R400-θ90-L300-L0150-α70- | 300 | | 1611 | | R400-θ90-L300-L0150-α70- | 300 | | 1446 | | R400-θ90-L300-L0150-α70- | 300 | | 1286 | | R400-θ90-L300-L0150-α70- | 300 | | 1140 | | R400-θ90-L500-L0150-α70-Perfect | 500 | — | 2103 | | R400-θ90-L500-L0150-α70- | 500 | | 1622 | | R400-θ90-L500-L0150-α70- | 500 | | 1425 | | R400-θ90-L500-L0150-α70- | 500 | | 1262 | | R400-θ90-L500-L0150-α70- | 500 | | 1141 | | R400-θ90-L500-L0150-α70- | 500 | | 995 | | R400-θ90-L700-L0150-α70-Perfect | 700 | — | 2004 | | R400-θ90-L700-L0150-α70- | 700 | | 1579 | | R400-θ90-L700-L0150-α70- | 700 | | 1367 | | R400-θ90-L700-L0150-α70- | 700 | | 1182 | | R400-θ90-L700-L0150-α70- | 700 | | 1056 | | R400-θ90-L700-L0150-α70- | 700 | | 926 | | R1000-θ90-L300-L0150-α70-Perfect | 300 | — | 3489 | | R1000-θ90-L300-L0150-α70- | 300 | | 2625 | | R1000-θ90-L300-L0150-α70- | 300 | | 2418 | | R1000-θ90-L300-L0150-α70- | 300 | | 2281 | | R1000-θ90-L300-L0150-α70- | 300 | | 2189 | | R1000-θ90-L300-L0150-α70- | 300 | | 2112 | | R1000-θ90-L500-L0150-α70-Perfect | 500 | — | 2371 | | R1000-θ90-L500-L0150-α70- | 500 | | 2158 | | R1000-θ90-L500-L0150-α70- | 500 | | 1950 | | R1000-θ90-L500-L0150-α70- | 500 | | 1814 | | R1000-θ90-L500-L0150-α70- | 500 | | 1699 | | R1000-θ90-L500-L0150-α70- | 500 | | 1607 | | R1000-θ90-L700-L0150-α70-Perfect | 700 | — | 2104 | | R1000-θ90-L700-L0150-α70- | 700 | | 1974 | | R1000-θ90-L700-L0150-α70- | 700 | | 1783 | | R1000-θ90-L700-L0150-α70- | 700 | | 1630 | | R1000-θ90-L700-L0150-α70- | 700 | | 1508 | | R1000-θ90-L700-L0150-α70- | 700 | | 1401 |
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