Issue 29

R. Dimitri et alii, Frattura ed Integrità Strutturale, 29 (2014) 266-283; DOI: 10.3221/IGF-ESIS.29.23

(a) (b) Figure 3 : Coupling effect on stresses for CZM 1: (a) Normal direction; (b) Tangential direction.

(a) (b) Figure 4 : Coupling effect on stresses for CZM 2. m =2, q =0.5, r =0: (a) Normal direction; (b) Tangential direction.

(a) (b)

Figure 5 : Coupling effect on stresses for CZM 3. g Nu

/g Nmax

=2exp(1) for pure mode I, g Tu

/g Tmax

=2√exp(1) for pure mode II: : (a) Normal

direction; (b) Tangential direction.

272