| 一种基于Taylor展开的系泊刚度矩阵计算方法 |
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| 引用本文： | 张健,任慧龙,张立杰.一种基于Taylor展开的系泊刚度矩阵计算方法[J].船舶工程,2012,34(6):10-12. |
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| 作者姓名： | 张健 任慧龙 张立杰 |
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| 作者单位： | 哈尔滨工程大学船舶与海洋工程力学研究所;天津中通船舶管理有限公司 |
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| 摘 要： | 系泊系统对于船舶及海上浮式结构物的定位十分重要。钢质系泊缆索是业界广泛采用的一种形式。由于其提供的恢复力与浮体位移之间呈现非线性关系,故针对此种系泊方式基于Taylor展开方法得到了非线性的刚度系数及相应的系泊刚度矩阵,研究了其在系泊定位及水动力计算方面的应用。分析表明该方法可以较为方便地计及刚度非线性的影响。
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| 关 键 词： | 系泊系统 刚度矩阵 恢复力 Taylor展开 非线性 |
| 收稿时间： | 3/5/2012 11:58:49 AM |
| 修稿时间： | 5/9/2012 2:20:23 PM |
A Taylor-expansion-based Method of Mooring Stiffness Matrix |
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| ZHANG Jian,REN Hui-long and ZHANG Li-jie.A Taylor-expansion-based Method of Mooring Stiffness Matrix[J].Ship Engineering,2012,34(6):10-12. |
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| Authors: | ZHANG Jian REN Hui-long and ZHANG Li-jie |
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| Institution: | 1.Institute of Naval Architecture and Ocean Engineering,Harbin Engineering University,Harbin 150001,China;2.Tianjin Centrans Hipping Management Co.,Ltd.,Tianjin 300000,China) |
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| Abstract: | It is very important to station-keeping for ships and other floating structures. Chains and wire ropes are widely used in this field. The restoring forces of mooring system are nonlinear to the displacement of floating bodies. So the nonlinear mooring stiffness coefficients and mooring stiffness matrix are computed on the basis of Taylor expansion. The results of computation show that nonlinearity of mooring stiffness can be considered easily in this method. |
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| Keywords: | mooring system restoring force Taylor expansion nonlinearity |
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