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三维浮体二阶辐射问题的时域模拟 被引量：1

Simulation of second-order radiation of 3D bodies in time domain
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摘要 采用二阶时域理论对任意三维物体的非线性波浪辐射问题进行了研究.对自由表面边界条件和物面边界条件进行Taylor级数展开,采用Stokes摄动展开建立相应的一阶和二阶边值问题,而且此边值问题的计算域不随时间变化.使用基于B-样条的边界元方法计算每一时刻的波浪场,二阶自由表面边界条件在时间上进行数值积分.在自由表面加一个人工阻尼层以避免波浪的反射.对二阶物面边界条件采用数学手段,推导出一个没有二阶空间导数的表达式,以便于计算.本文对强迫正弦垂荡和纵荡运动的截断圆柱进行了计算,讨论了漂浮结构的二阶水动压力影响,计算结果与已有结果十分吻合.
作者 滕斌 柏威
出处 《中国造船》 EI CSCD 北大核心 2002年第z1期289-298,共10页 Shipbuilding of China
基金 国家自然科学基金重点项目(编号 19732004)和国家杰出青年基金(编号 50025924)资助课题
关键词 二阶时域理论 边界元方法 水动压力
分类号 U671 [交通运输工程—船舶及航道工程]
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参考文献2

二级参考文献12

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共引文献11

同被引文献16

  • 1廖振鹏.工程波动理论导论[M].北京:科学出版社,2004.
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  • 9XU Gang,DUAN Wenyang.Time domain simulation of irregular wave diffraction[C] //Proceedings of the 8th International Conference on Hydrodynamics.Nantes,2008.
  • 10XU Gang,DUAN Wenyang.Time domain simulation for water wave radiation by floating structures (Part A.)[J].Journal of Marine Science and Application,2008,7:226-235.

引证文献1

二级引证文献7

中国造船
2002年 第z1期

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