Issue 68

A. Aabid et alii, Frattura ed Integrità Strutturale, 68 (2024) 209-221; DOI: 10.3221/IGF-ESIS.69.14

Figure 1: Problem formulation of a center-cracked plate.

Parameter

Type 1

Type 2

Type 3

0.30 0.35 0.35

0.35 0.30 0.35

0.35 0.35 0.30

Poisson’s Ratio ʋ 12 Poisson’s Ratio ʋ 13 Poisson’s Ratio ʋ 23 Young’s Modulus (E1) Young’s Modulus (E2) Young’s Modulus (E3) Shear Modulus (G12) Shear Modulus (G13) Shear Modulus (G23)

16.68 GPa 03.69 GPa 03.69 GPa 02.56 GPa 02.24 GPa 02.24 GPa

03.69 GPa 16.68 GPa 03.69 GPa 02.24 GPa 02.56 GPa 02.24 GPa

16.68 GPa 16.68 GPa 03.69 GPa 02.56 GPa 02.56 GPa 02.24 GPa

Isotropic view of the lamina composite plate

Table 1. Materials properties of the glass/epoxy.

Figure 2: Composite patch fiber directions.

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