Research Article
Buckling Analysis of Sandwich Plate Systems with Stiffening Ribs: Theoretical, Numerical, and Experimental Approaches
Table 2
Critical buckling loads of the test specimens.
| | Methods | With PU core | Error (with PU core) | Without PU core | Error (no PU core) |
| | Experiment | 557.1 | N/A | 420.3 | N/A | | Theoretical | 585.9 | 5.2% | 544.7 | 29.6% | | FEM | 579.0 | 3.9% | 403.4 | 4.0% |
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