| 基于直接计算法的LNG船整船强度评估 |
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| 引用本文： | 刘敬喜,唐永生,赵耀,叶横奎.基于直接计算法的LNG船整船强度评估[J].船舶工程,2010(4):5-8. |
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| 作者姓名： | 刘敬喜 唐永生 赵耀 叶横奎 |
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| 作者单位： | 华中科技大学船舶与海洋工程学院,武汉430074;沪东中华造船(集团)有限公司,上海200129;沪东中华造船(集团)有限公司,上海,200129;华中科技大学船舶与海洋工程学院,武汉,430074 |
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| 摘 要： | 采用直接计算法对16万m3LNG船的整船强度进行评估.建立了整船结构有限元模型,基于三维源汇分布方法并利用北大西洋波浪散布图对波浪垂直弯矩进行长期预报,得到LNG船在典型装载工况下的设计波参数,完成了LNG船在设计波中的整体有限元分析.计算结果可以为LNG船的整体强度评估、船体结构优化提供有效依据,评估结果对同类LNG船的设计开发具有指导意义.
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| 关 键 词： | LNG船 结构 整船强度 直接计算 |
Overall Strength Assessment of LNG Ship Structures Based on the Direct Computing Method |
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| LIU Jing-xi,TANG Yong-sheng,ZHAO Yao,YE Heng-kui.Overall Strength Assessment of LNG Ship Structures Based on the Direct Computing Method[J].Ship Engineering,2010(4):5-8. |
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| Authors: | LIU Jing-xi TANG Yong-sheng ZHAO Yao YE Heng-kui |
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| Institution: | LIU Jing-xi1,2,TANG Yong-sheng2,ZHAO Yao1,YE Heng-kui1 (1. College of Naval Architecture , Ocean Engineering,Huazhong University of Science , Technology,Wuhan 430074,China,2. HuDong-ZhongHua Shipbuilding (Group),Shanghai 200129,China) |
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| Abstract: | The overall strength assessment of a 160000m3 LNG ship structure was carried out based on direct computation. First, a finite element model of the ship structure was built. The extreme vertical wave bending moments were calculated based on 3-D hydrodynamic and long term prediction using North Atlantic scatter diagram. The design wave parameters were determined for typical load condition. The overall strength was estimated in design wave load. The results showed are effective for strength assessment of LNG s... |
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| Keywords: | LNG ship structure overall strength direct computation |
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