Abstract
Abstract Accurate weight prediction methods are an essential of the ship design in both ship cost managements and performance satisfactions.When no parent or similar ships are available, an adequate meth od of the ship weight estimating is required. In this study, th ere wascarried out to develop the ship weight estimating method for th e preliminary design phase. The weight estimating methods were first surveyed by the references and summarized their characteristics . The weight estimation method by statistical approach was developed for the container ship because the containerized transportation markets is gradually growing and ship's size and loading capac ity arerapidly enlarged. The correlation analysis and the multiple reg ression analysis were used for developing the weight estimating method. As a results of evaluating the developed method, the error rati o of the variation between estimated weight and ship's data was about5%. And it was only 1% difference with the calculating weight o f conceptual design results by shipyard design team that the estimating weight of ultra-large container ship was predicted by the devel oped method.Keywords :Weight estimating method(중량추정 방법), Statistical approach(통계적 접근 ), Ratiocination method(추론적 방법), Correlation analysis(상관분석), Multiple regression analysis(다중 회귀분석), Error ratio(오차비율)
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