| 波浪对箱形船作用的三维耦合计算模型 |
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| 引用本文： | 王大国,邹志利,唐春安.波浪对箱形船作用的三维耦合计算模型[J].船舶力学,2007,11(4):533-544. |
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| 作者姓名： | 王大国 邹志利 唐春安 |
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| 作者单位： | 大连大学材料破坏力学数值试验研究中心,辽宁,大连,116622;大连理工大学海岸和近海工程国家重点实验室,辽宁,大连,116024;大连理工大学土木水利学院,辽宁,大连,116024;大连理工大学海岸和近海工程国家重点实验室,辽宁,大连,116024;大连大学材料破坏力学数值试验研究中心,辽宁,大连,116622;大连理工大学土木水利学院,辽宁,大连,116024 |
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| 基金项目： | 国家自然科学基金，教育部长江学者奖励计划，辽宁省教育厅资助项目 |
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| 摘 要： | 为获得具有工程实用价值的港口三维船非线性波浪力的时域计算方法,该文建立了波浪对港口中船非线性作用的三维时域计算耦合模型:用欧拉方程计算船底面下的内域,用Boussinesq方程计算船侧面到港口边界的外域,两域在交界面处匹配条件是流量连续和压力相等.并进行了相关模型实验,实验结果和数值计算结果比较表明该耦合计算模型具有满意的精度.此外,该三维耦合模型数学处理简单,计算效率高,可适用于工程计算.
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| 关 键 词： | Boussinesq方程 欧拉方程 三维耦合模型 |
| 文章编号： | 1007-7294（2007）04-0533-12 |
| 修稿时间： | 2006-08-06 |
Time stepping solutions of nonlinear wave forces on a three-dimensional box-shaped ship in a harbor |
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| WANG Da-guo,ZOU Zhi-li,TANG Chun-an.Time stepping solutions of nonlinear wave forces on a three-dimensional box-shaped ship in a harbor[J].Journal of Ship Mechanics,2007,11(4):533-544. |
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| Authors: | WANG Da-guo ZOU Zhi-li TANG Chun-an |
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| Institution: | 1 Research Center for Numerical Tests on Material Failure;Dalian University;Dalian 116622;China; 2 The State Key Laboratory of Coastal and Offshore Engineering;Department of Civil Engineering;Dalian University of Technology;Dalian 116024;China;3 School of Civil and Hydraulic Engineering;Dalian University of Technology;Dalian 116024;China |
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| Abstract: | A three-dimensional time-domain coupled numerical model is developed in order to obtain an efficient method for nonlinear wave forces acted on a box-shaped ship in harbor.The whole domain is divided into inner domain and outer domain.The inner domain is the area beneath the ship section,which is governed by Euler equations.The other area is the outer domain,which is governed by Boussinesq equations in order to consider the nonlinearity of wave motions.Matching conditions on the interface boundaries between the inner domain and the outer domain are the continuation of volume flux and the equality of pressures.Relevant physical experiment is conducted to validate the coupled model,and the numerical results show agree well with experiment results.The numerical computations of the coupled model are simple and efficient,which is particularly useful for the computation of the effects of a harbor with large area on the nonlinear wave forces on a ship moored in a harbor. |
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| Keywords: | Boussinesq equations Euler equations three-dimensional coupled model |
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