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