| 对流扩散方程欧拉──拉格朗日方法的B─样条插值格式 |
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| 引用本文： | 杨宗严.对流扩散方程欧拉──拉格朗日方法的B─样条插值格式[J].中国海洋大学学报(自然科学版),1994(2). |
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| 作者姓名： | 杨宗严 |
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| 摘 要： | 利用Ｂ－样条函数．文中发展了一个对流扩散方程欧拉－拉格朗日方法的插值格式．改善了其数值频散性。算例表明，此格式优于一次和二次插值格式。文中给出了Ｂ－样条插值格式的二维及三维推广。
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| 关 键 词： | 欧拉─拉格朗日方法 B─样条函数 插值格式 数值频散 |
B-SPLINE INTERPOLATION IN EULER-LAGRANGTAN METHOD FOR CONVECTIONVECTION-DISION EQUATION |
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| Yang Zongyan.B-SPLINE INTERPOLATION IN EULER-LAGRANGTAN METHOD FOR CONVECTIONVECTION-DISION EQUATION[J].Periodical of Ocean University of China,1994(2). |
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| Authors: | Yang Zongyan |
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| Institution: | Institute of Physical Oceanography |
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| Abstract: | Using cubic B-spline function. we developed a interpolation scheme for Ether - Lagrangian method for conviction dispersion equation. which can reduce error short wave efficiently. The two -dimensional and three -dimensional B-spline interpolation scheme are presented also |
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| Keywords: | Euler-Lagrangian method B-spline interpolation numerical dispersion |
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