| 高速排水型船的运动性能预报 |
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| 引用本文： | 段文洋,贺五洲.高速排水型船的运动性能预报[J].清华大学学报(自然科学版),2001,41(12):82-85. |
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| 作者姓名： | 段文洋 贺五洲 |
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| 作者单位： | 1. 哈尔滨工程大学船舶与海洋工程系,哈尔滨,150001
2. 清华大学土木水利学院,北京,100084 |
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| 基金项目： | 教育部优秀博士学位论文作者专项基金 (19992 7) |
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| 摘 要： | 给出一种基于高速细长体理论的预报高速排水型船在波浪上运动性能的数值方法。在高速细长体理论的定解条件中 ,自由面条件是三维的 ,而控制方程和物面条件则是二维的。采用时域自由面 Green函数将定解问题转化为物面上的积分方程 ,进而求解水动力系数和船舶运动方程。对NPL 系列单体船型的运动性能作了理论预报 ,并与实验结果和用切片法的理论预报结果作了比较。结果表明 ,高速细长体理论的预报结果与试验结果更为接近 ,而切片理论由于受到纯二维假定的限制 ,在高航速情况下 ,预报精度较差。
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| 关 键 词： | 高速排水型船 运动性能 高速细长体理论 切片理论 |
| 文章编号： | 1000-0054(2001)12-0082-04 |
| 修稿时间： | 2000年9月14日 |
Motion characteristics of fast displacement vessels |
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| DUAN Wenyang ,HE Wuzhou.Motion characteristics of fast displacement vessels[J].Journal of Tsinghua University(Science and Technology),2001,41(12):82-85. |
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| Authors: | DUAN Wenyang HE Wuzhou |
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| Institution: | DUAN Wenyang 1,HE Wuzhou 2 |
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| Abstract: | A numerical method is presented for predicting the motion characteristics of high speed displacement vessels. The method is based on a high speed slender body theory, 2.5 D theory, where the free surface condition is 3 D, but the control equation and body surface condition are 2 D. The transient free surface Green function was used to formulate the integral equation on the body surface. The numerical predictions were compared with experiment results using a mono hull NPL ship, as well as theoretical results by the strip method. The results show that the method can satisfactorily predict the motion response characteristics for high speed displacement vessels. |
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| Keywords: | high speed displacement vessels motion characteristic high speed slender body theory strip theory |
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