Issue 32

N. Bisht et alii, Frattura ed Integrità Strutturale, 32 (2015) 1-12; DOI: 10.3221/IGF-ESIS.32.01 10 Figure 13 : Variation of σ xx /σ y with H for specimen geometry A1. Figure 14 : Variation of σ yy /σ y with H for specimen geometry A1. Figure 15 : Variation of τ xy /σ y with H for specimen geometry A1. C ONCLUSIONS 1. There is a shielding effect on mode I SIF due to the presence of a neighbouring crack. 2. The shielding becomes more pronounced as the cracks move towards each other.