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Investigation of the Hydrodynamic Performance of a Novel Semi-Submersible Platform with Multiple Small Columns
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  • 英文篇名:Investigation of the Hydrodynamic Performance of a Novel Semi-Submersible Platform with Multiple Small Columns
  • 作者:SONG ; Xiancang ; WANG ; Shuqing ; LI ; Huajun ; LI ; Tao
  • 英文作者:SONG Xiancang;WANG Shuqing;LI Huajun;LI Tao;Shandong Provincial Key Laboratory of Ocean Engineering, Ocean University of China;
  • 英文关键词:semi-submersible platform;;multiple small columns;;hydrodynamic performance;;coupled dynamic analysis
  • 中文刊名:Journal of Ocean University of China
  • 英文刊名:中国海洋大学学报(英文版)
  • 机构:Shandong Provincial Key Laboratory of Ocean Engineering, Ocean University of China;
  • 出版日期:2019-02-06
  • 出版单位:Journal of Ocean University of China
  • 年:2019
  • 期:01
  • 基金:the support by the National Science Fund for Distinguished Young Scholars (No. 51625902);; the National Key Research and Development Program of China (No. 2016YFE0200100);; the Major Program of the National Natural Science Foundation of China (No. 51490675);; the Taishan Scholars Program of Shandong Province (No. TS201511016)
  • 语种:英文;
  • 页:112-126
  • 页数:15
  • CN:37-1415/P
  • ISSN:1672-5182
  • 分类号:P75
摘要
This paper presents a novel semi-submersible(SEMI) platform concept, called the multiple small columns(MSC) SEMI that improves upon the hydrodynamic performance of the conventional SEMI. Unlike the conventional SEMI, the proposed MSC SEMI utilizes multiple small circular columns to support the deck and a large pontoon that increases the structural displacement. The novelty of the MSC SEMI is its reduction of the hydrodynamic load on the structure and suppression of its motion response, particularly in the heave direction. The MSC SEMI has the advantages of increasing the added mass, radiation damping, and natural period of the structure. A comprehensive investigation of the hydrodynamic performance of the novel MSC SEMI is conducted in both the time and frequency domains with a special focus on the resulting hydrodynamic load and motion response. Numerical simulation results demonstrate that the MSC SEMI concept can reduce the hydrodynamic load and motion response and improve the hydrodynamic performance of SEMIs as expected.
        This paper presents a novel semi-submersible(SEMI) platform concept, called the multiple small columns(MSC) SEMI that improves upon the hydrodynamic performance of the conventional SEMI. Unlike the conventional SEMI, the proposed MSC SEMI utilizes multiple small circular columns to support the deck and a large pontoon that increases the structural displacement. The novelty of the MSC SEMI is its reduction of the hydrodynamic load on the structure and suppression of its motion response, particularly in the heave direction. The MSC SEMI has the advantages of increasing the added mass, radiation damping, and natural period of the structure. A comprehensive investigation of the hydrodynamic performance of the novel MSC SEMI is conducted in both the time and frequency domains with a special focus on the resulting hydrodynamic load and motion response. Numerical simulation results demonstrate that the MSC SEMI concept can reduce the hydrodynamic load and motion response and improve the hydrodynamic performance of SEMIs as expected.
引文
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