Research Article
Mechanical Properties of Sandwiched Construction with Composite and Hybrid Core Structure
Table 6
Experimental and numerical flexural results for open and closed various polymer beams.
| Materials | δmax (mm) experimental | δmax (mm) numerical | Discrepancy (%) | Pmax (kN) experimental | Pmax (kN) numerical | Discrepancy (%) |
| Open PLA | 2.91 | 2.70 | 7.78 | 0.72 | 0.69 | 4.35 | Open TPU | 22.48 | 21.39 | 5.10 | 0.12 | 0.11 | 9.09 | Closed PLA | 5.95 | 5.45 | 9.17 | 0.96 | 0.89 | 7.87 | Closed TPU | 7.26 | 6.85 | 5.99 | 0.28 | 0.26 | 7.69 | PLA–PUR | 7.67 | 7.17 | 6.97 | 1.64 | 1.52 | 7.90 | TPU–PUR | 7.68 | 7.10 | 8.17 | 0.72 | 0.69 | 4.35 |
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