学术
国际标准刊号：ISSN 1001-9847
国内统一刊号：CN 42-1184
摘 要:
本文针对一类非饱和土壤水流问题，提出了基于二次插值的特征-差分格式，得到了严谨的L^2模误差估计．并作了数值试验，指明方法的有效性。[著者文摘]
文章出处:
《应用数学》-2006年19卷1期 -159-168页
Mathematica Applicata
文献标识码:
A
文章编号:
1001-9847（2006）01-0159-10
[参考文献]
Characteristics Finite Difference Method and Numerical Simulation Based on Quadratic Interpolation for the Unsaturated Soil Water Flow Problem
SONG Li-ye （Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China）
Abstract:
In this paper,a characteristic finite difference method based on quadratic interpolation for an unsaturated soil water flow problem is studied. L^2- error estimate is derived.Some numerical examples have been given to show the validity of the method.[著者文摘]
Key words:
Unsaturated soil water flow;Characteristics finite difference; Quadratic interpolation ; Error estimate ; Numerical simulation
收稿日期: 2005-04-04
基金资助:
国家重点基础研究专项资助项目（2005CB321703）,国家自然科学基金项目（90411007）
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