1 1.02 1.04 1.06 1.08 1.1 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 [5] [2] [4] a0/b =0.1 a0/b =0.05 a0/b =0.025 ∆/2a Kmax/K0 (a) N=160, δa/a =0.025 1 1.02 1.04 1.06 1.08 1.1 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 [5] [2] [4] N=100 N=160 N=200 ∆/2a Kmax/K0 (b) δa/a =0.025, a0/b =0.1 1 1.02 1.04 1.06 1.08 1.1 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 [5] [2] [4] δa/a =0.005 δa/a =0.01 δa/a =0.025 δa/a =0.05 δa/a =0.1 ∆/2a Kmax/K0 (c) δa/a (N =160, a0/b =0.1 Figure 2: Dependance on the initial size a0/b (a), on the number Nof points in the mesh (b), on the crack advance (c) 5
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