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Multi-objective optimization of liquid hydrogen FPSO at the conceptual design stageopen accessMulti-objective optimization of liquid hydrogen FPSO at the conceptual design stage

Other Titles
Multi-objective optimization of liquid hydrogen FPSO at the conceptual design stage
Authors
Lee, JonghunPark, ByeongwonKim, Kyoung-HwanRuy, Won-Sun
Issue Date
1월-2023
Publisher
SOC NAVAL ARCHITECTS KOREA
Keywords
Liquid hydrogen FPSO; Conceptual design; Topside and hull layout; Hull dimension optimization; Multi-objective optimization; MOEA
Citation
INTERNATIONAL JOURNAL OF NAVAL ARCHITECTURE AND OCEAN ENGINEERING, v.15, pp 1 - 15
Pages
15
Journal Title
INTERNATIONAL JOURNAL OF NAVAL ARCHITECTURE AND OCEAN ENGINEERING
Volume
15
Start Page
1
End Page
15
URI
https://www.kriso.re.kr/sciwatch/handle/2021.sw.kriso/9523
DOI
10.1016/j.ijnaoe.2022.100511
ISSN
2092-6782
2092-6790
Abstract
A conceptual design of a liquid hydrogen FPSO was developed in this research, and its hull dimensions were optimized under the environment at the Donghae gas field in South Korea. During the conceptual design stage, a process of production, storage, and offloading of liquid hydrogen was studied, and the topside and hull layouts for the liquid hydrogen FPSO were proposed. The capacities of each module were determined based on the operation scenario. The corresponding required areas and weight of each module were estimated from the literature review and the data from the ongoing project (KRISO, 2022). The optimized hull dimensions were presented by a Multi-Objective Evolutionary Algorithm (MOEA) with two objectives, minimization of the hull steel weight and the motion level considering the con-straints related to geometry, stability, and hydrodynamic performances. The obtained Pareto set shows three classified solution types depending on the active constraints, which is able to propose a wide range of design alternatives for the liquid hydrogen FPSO with unique constraints compared to general ships.(c) 2023 Society of Naval Architects of Korea. Production and hosting by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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