A fuzzy approach to the lectotype optimization of offshore platforms |
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Authors: | S. Chen G. Fu |
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Affiliation: | School of Civil Engineering and Architecture, Dalian University of Technology, Dalian 116024, People's Republic of China |
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Abstract: | Lectotype optimization of offshore platforms is of particular importance in the concept design process. Lectotype optimization involves multiple objectives with uncertainty and so is a problem of multiple attribute decision making. To date, there have been few published works on this topic in the context of offshore engineering. This paper develops a framework and methodology for evaluation of offshore platform alternatives, where a fuzzy optimum model is proposed to integrate the influence of each objective in the criteria set, and a new weight-assessing method is developed to mimic the decision maker’s experience and preference based on complementary pairwise comparisons. A case study shows that the new framework and methodology is scientific, reasonable and easy to use in practice. |
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Keywords: | Offshore platform Criteria set Lectotype optimization Multiple attribute decision making Weight-assessment |
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