Issue 60

G. C. Coêlho et alii, Frattura ed Integrità Strutturale, 60 (2022) 134-145; DOI: 10.3221/IGF-ESIS.60.10

where K mat is the materials' fracture toughness; σ Y is its Yield strength; σ r is the reference stress regarding the structure and cracks geometry (a compendium can be found on BS 7910 [8] and the single surface crack reference stress was used here).

(a)

max

(b) Figure 5: (a) Elastic interaction factor profile along with the parametric angular position; (b) maximum elastic interaction factor as a function of the coplanar horizontal distance.

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