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Report No.

Numerical study on longitudinal distance effect on failure stress of non-aligned twin cracked pipe

Nguyen, T.-L.*; Lee, M.-W.*; Hasegawa, Kunio; Kim, Y.-J.*

The effect of longitudinal distance H between non-aligned twin cracks is investigated using finite element damage analysis. It is shown that the failure bending stresses are raised by increasing longitudinal distance H for deep short cracks. On the contrary, shallow long cracks are unaffected by the distance H.



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