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논문 기본 정보

저자정보
(인하대학교) (인하대학교)
저널정보
대한조선학회 대한조선학회 논문집 대한조선학회논문집 제54권 제5호(통권 제215호)
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    초록·키워드

    This study presents the reliability-based flaw assessment for the crack in the mooring chain of a floating type offshore structure. BSI(British Standard Institution) flaw assessment procedure BS7910 was combined with first- and second-order reliability method (FORM, SORM) so that the acceptance of a given flaw can be assessed considering the uncertainties of parameters that play important role in the flaw assessment. Considering the probabilistic nature of the crack size and long-term distribution of the stresses acting on the crack in mooring chain, the failure probability was calculated using FORM and SORM. To check the validity of the FORM and SORM, Monte Carlo simulation was also carried out to derive the true limit state function and compared with the results of FORM and SORM.

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      UCI(KEPA) : I410-ECN-0101-2018-538-001335973