0 2 4 6 8 10 12 14 16 18 20 0.0001 0.001 0.01 0.1 1 R0=0.2 [5] [2] [4] a0/b =0.1 a0/b =0.05 ∆/2a Kmax/K0 (a) N=160, δa/a =0.025 1 1.5 2 2.5 3 3.5 4 4.5 5 0.0001 0.001 0.01 0.1 1 [5] [2] [4] N=100 N=160 N=200 ∆/2a Kmax/K0 (b) δa/l =0.025, a0/b =0.1 0 2 4 6 8 10 12 14 0.0001 0.001 0.01 0.1 1 [5] [2] [4] δa/a =0.01 δa/a =0.025 δa/a =0.05 ∆/2a Kmax/K0 (c) δa/l =0.025, a0/b =0.1 Figure 3: Dependance on the initial size a0/b (a), on the number Nof points in the mesh (b), on the crack advance (c) 6
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