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논문 기본 정보

저자정보
(인하대학교) (인하대학교)
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대한조선학회 대한조선학회 논문집 대한조선학회논문집 제56권 제2호(통권 제224호)
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    초록·키워드

    In general, fatigue analysis is performed by using deterministic model to estimate the optimal parameters. However, the deterministic model is difficult to clearly describe the physical phenomena of fatigue failure that contains many uncertainty factors. With regard to this, efforts have been made in this research to compare with the deterministic model and the stochastic models. Firstly, One deterministic S-N curve was derived from ordinary least squares technique and two P-S-N curves were estimated through Bayesian-linear regression model and Markov-Chain Monte Carlo simulation. Secondly, the distribution of Long-term fatigue damage and fatigue life were predicted by using the parameters obtained from the three methodologies and the long-term stress distribution.

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      UCI(KEPA) : I410-ECN-0101-2019-538-000562029