Issue 28

D. Gentile et alii, Frattura ed Integrità Strutturale, 28 (2014) 42-50 ; DOI: 10.3221/IGF-ESIS.28.05 48 -1 -0.5 0 0.5 1 0 2 4 6 8 x 10 -3 Dimensionless angle COD/2 (mm) model  90  30  90  60 Figure 8 : t= 2mm crack length 2  (  0°) and (  0°). -1 -0.5 0 0.5 1 0 0.5 1 1.5 2 2.5 3 3.5 x 10 -3 Dimensionless angle COD/2 (mm) model  50  60  50  30 Figure 9 : t = 5mm; crack length 2  (  0°) and (  0°). -1 -0.5 0 0.5 1 0 2 4 6 x 10 -3 Dimensionless angle COD/2 (mm) model  90  60  90  30 Figure 10 : t = 5mm; crack length 2  (  0°) and (  0°).