深水张力腿平台与系泊系统的耦合动力响应
Coupled Dynamic Responses of the Tension Leg Platform and Tendon in Deep-water
查看参考文献14篇
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文摘
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把张力腿简化为非线性梁结构,运用Hamilton原理,推导出平面情况下平台本体与张力腿系泊系统的耦合运动方程及边界条件;分析了不同流场条件下,两种不同张力腿模型(非线性梁和无质量弹簧模型)对平台动力响应预测结果的影响;分析结果表明:随着流场条件的不同,采用不同的张力腿简化模型得到的平台动力响应预测结果具有明显的不同.阐明了两种模型所得结果产生差异的原因. |
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其他语种文摘
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Simplifying the tendon as a nonlinear beam, the equations of motion and boundary conditions of a tension leg platform (TLP) with a single tendon undergoing planar motion were obtained using Hamilton' s principle. Two different tendon models(nonlinear beam and massless elastic spring) under different flow field conditions were adopted and the difference of the dynamic responses of TLP was investigated. It is concluded that when the flow field conditions are different, the difference of the dynamic response of TLP using two different tendon models are quite obvious. Finally, the reason why the difference of the dynamic response of TLP is so large was explained. |
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来源
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振动与冲击
,2009,28(2):145-150 【核心库】
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关键词
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张力腿平台
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张力腿
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非线性振动
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Hamilton原理
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Morison方程
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地址
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中国科学院,力学研究所, 北京, 100190
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1000-3835 |
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学科
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水利工程 |
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基金
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国家高技术研究发展计划(863计划)
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国家自然科学基金
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中国科学院知识创新工程重要方向项目
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国家自然科学基金重点项目
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文献收藏号
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CSCD:3629983
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14
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