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| 基于牛顿迭代法的潮汐模型高低潮时计算方法* | |
| 引用本文： | 王如云,周 鹏,周 钧,刘 鹏.基于牛顿迭代法的潮汐模型高低潮时计算方法*[J].水运工程,2013(2):27-30. |
| 作者姓名： | 王如云 周 鹏 周 钧 刘 鹏 |
| 作者单位： | 1. 河海大学 港口海岸与近海工程学院,江苏 南京,210098 2. 河海大学 水文水资源学院,江苏 南京,210098 3. 中交第三航务工程局有限公司 江苏分公司,江苏 连云港,222042 |
| 基金项目： | 江苏省水利科技重点项目(2010500312),自然科学基金(40906048) |
| 摘 要： | 在由调和分析方法建立了潮汐潮位预报模型后,利用牛顿迭代法给出了一种快速求解潮汐潮位预报模型的高低潮时方法.利用连云港的潮汐潮位预报模型,分别通过不同的求解高低潮时的方法,对潮汐高低潮时进行了预报.计算结果表明,在满足同等精度条件下,求解高低潮时的牛顿迭代法具有计算量小、收敛速度快等优势. |
| 关 键 词： | 牛顿迭代法 高低潮时 预报 潮汐 调和分析 |
Computational method for predicting the time of high and low water based on Newton iteration method |
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| WANG Ru-yun,ZHOU Peng,ZHOU Jun and LIU Peng.Computational method for predicting the time of high and low water based on Newton iteration method[J].Port & Waterway Engineering,2013(2):27-30. | |
| Authors: | WANG Ru-yun ZHOU Peng ZHOU Jun and LIU Peng |
| Institution: | College of Harbor, Coastal and Offshore Engineering, Hohai University, Nanjing 210098, China;College of Harbor, Coastal and Offshore Engineering, Hohai University, Nanjing 210098, China;College of Hydrology and Water Resources, Hohai University, Nanjing 210098, China;Jiangsu Branch of China Communications Construction Co., Ltd., Shanghai Port Engineering Co., Ltd., Lianyungang 222042, China |
| Abstract: | After the tide level predicting model is built with the harmonic analysis method, a method for fast solving the time of high and low water of the tide level predicting model is supplied with Newton iteration method.The time of high and low water is predicted with several different methods. The results show that Newton iteration method has several advantages, such as less calculation, faster converged speed, etc. |
| Keywords: | Newton iteration method time of high and low water predict tide harmonic analysis |
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