Issue 37

Y. Hos et alii, Frattura ed Integrità Strutturale, 37 (2016) 234-240; DOI: 10.3221/IGF-ESIS.37.31 238 Figure 8 : Crack growth curves of specimens R-004, R-005 and R-006 with F max = 33 kN, M max = 382 Nm and R F = R M = -1 T HE CRACK GROWTH SIMULATION Multiaxial Loading - Proportional Loading nder the light of the data taken from the real experiments, linear elastic simulations have been done on ABAQUS for the experiment R-004. The data concerning the position of the crack tip was already available. As previously been postulated, a significant portion of shear mode (about %20 of the opening mode) was observed among both cracks. Fig. 9 and 10 9 depict the growth of the stress intensity factors with the crack length. Figure 9 : Stress intensity factors in specimen R-004, crack 1 proportional loading with F max = 33 kN, M max = 382 Nm, R F = R M = -1, steel S235. Figure 10 : Stress intensity factors in specimen R-004, crack 2 proportional loading with F max = 33 kN, M max = 382 Nm, R F = R M = -1, steel S235. U