| 问题中的理论平均波阻(英文) |
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| 引用本文： | 徐肇廷,徐昊.问题中的理论平均波阻(英文)[J].中国海洋大学学报(自然科学版),1999(1). |
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| 作者姓名： | 徐肇廷 徐昊 |
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| 作者单位： | 青岛海洋大学海洋环境学院 |
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| 摘 要： | 利用准三维的ｆＫｄＶ方程和四区间划分法，理论给出了任意截面的直渠道中先锋孤立子生成的理论平均波阻和区间平均能量的时间变化率。基于ｆＫｄＶ方程系数的正则性，文中结果是Ｘｕ等人结果的一个推广。对具有相同截面面积的正方形和等腰三角形截面的渠道及在不同强迫源和强迫源速度条件下，对理论平均波阻和平均生成能的时间变化率进行了数值比较和理论预报。比较指出，理论和数值结果吻合得很好。
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| 关 键 词： | fKdV方程 孤立子 波阻 任意断面渠 |
Theoretical Mean Wave Resistance in Precursor Soliton Generation in A Straight Channel with Arbitrary Cross Section |
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| Xu Zhaoting Xu Hao,Xu Yu.Theoretical Mean Wave Resistance in Precursor Soliton Generation in A Straight Channel with Arbitrary Cross Section[J].Periodical of Ocean University of China,1999(1). |
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| Authors: | Xu Zhaoting Xu Hao Xu Yu |
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| Abstract: | By using the pseudo 3-D fKdV equation and division of four regions, theoretical mean wave resistances and time change rates of the regional mean energy of the precursor soliton generation in a straight channel with arbitrary section are given theoretically. The results in the present paper are an extension of those of Xu et al. based on the canonical character of the coefficients of the fKdV equations. Comparisons and predictions are carried out under conditions of different forced sources and velocities of the forced sources for square and isosceles triangle sections with the same section areas. |
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| Keywords: | fKdV equation soliton wave resistance channel with arbitrary section |
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