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Keywords: Crack initiation
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Proceedings Papers

Proc. ASME. OMAE2022, Volume 2: Structures, Safety, and Reliability, V002T02A035, June 5–10, 2022
Paper No: OMAE2022-79688
... and asymmetric load. Therefore, the effect of mean stress on the crack initiation life of the stiffened plate, the basic unit of ship structure, is investigated in this paper. The crack initiation experiments of welded stiffened plates under different stress amplitudes and stress ratios were carried out...
Proceedings Papers

Proc. ASME. OMAE2011, Volume 2: Structures, Safety and Reliability, 487-495, June 19–24, 2011
Paper No: OMAE2011-49658
... scatter diagram. 5% strain drop criteria is introduced to define crack initiation life. Experimental results including the test results from previous study are evaluated and compared with DNV-CN 30.7 (2005) and Matsuoka's method for the estimation of crack initiation and propagation life. From the result...