Issue 36

V. Petrova et alii, Frattura ed Integrità Strutturale, 36 (2016) 8-26; DOI: 10.3221/IGF-ESIS.36.02

(e)

(f)

Figure 7 e, f : The non-dimensional critical load p cr for two equal edge cracks for different distances d between the cracks: (e) for cracks 1 and 2 (60° ≤ β ≤ 120°) and (f) for cracks 1 and 2 (15° ≤ β ≤ 90°). Two edge cracks with different sizes a 1 =1 and a 2 =0.5. as function of the inclination angle β=β n

(a)

(b)

Figure 8 : Stress intensity factors k I

and k II

as function of the inclination angle β=β 2

(60° ≤ β ≤ 120°) and for β 1

=90° for different

distances d between the cracks: (a) for crack 1, (b) for crack 2. Two edge cracks with different sizes a 1 =1 and a 2 =0.5.

(a)

(b)

Figure 9 : Fracture angles ϕ (1)

and ϕ (2)

as functions of the inclination angle β=β 2

(60° ≤ β ≤ 120°) and for β 1

=90° for different distances d

between the cracks: (a) for crack 1, (b) for crack 2. Two edge cracks with different sizes a 1

=1 and a 2

=0.5.

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