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Abstract The weight information of an offshore plant, such as a FPSO, is one of the important data to estimate the amount of production material such as plates and to determine the suitable production method for its construction. In addition, the weight information is a key factor which affects in the building cost and production period of the offshore plant. Although the importance of the weight has long been recognized, the weight, especially of topside, has been roughly estimated by using the existing design and production data, and designer's experience. To improve this task, a nonlinear simplified model for the weight estimation of the offshore plant topside using the statistical method was developed in this study. To do this, various past records to estimate the weight of the offshore plant were collected through the literature survey, and then the correlation analysis and the multiple regression analysis were performed to develop the nonlinear simplified model for the weight estimation. Finally, to evaluate the applicability of the developed model, it was applied to an example of the weight estimation of the offshore plant topside. The results showed that the developed model can be applied the weight estimation process of the offshore plant at the early design stage.
Publication Date 2016-09-01
Key Words Weight estimation, nonlinear statistical method, offshore plant, correlation analysis, multiple regression analysis
SCI SCIE
Impact Factor 0.79
DOI http://dx.doi.org/10.1080/17445302.2015.1038870

Sol Ha, Seong-Ho Seo, Myung-Il Roh, Hyun-Kyoung Shin, "Simplified nonlinear model for the weight estimation of FPSO plant topside using the statistical method," Ships and Offshore Structures, vol. 11, no. 6, pp. 603-619, 2016.09.01.


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