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曲率与运动界面发展
  • 期刊名称：计算物理, 2008, Vol. 25(6): 668-672
  • 时间：0
  • 分类：O241.82[理学—计算数学;理学—数学]
  • 作者机构：[1]北京应用物理与计算数学研究所计算物理实验室,北京100088
  • 相关基金：计算物理实验室基金（9140C6902010805）,国家自然科学基金（10431050,10771019,10702010）,中国工程物理研究院基金（2007809008）及国防基础科研项目基金（A1520070D74）资助项目
  • 相关项目：偏微分方程数值求解中的自适应网格方法研究
关键词： 曲率, 界面发展, 法向和切向传播速度, curvature, front evolution, normal and tangent propagation speed
中文摘要：

对界面传播速度依赖于曲率的界面发展问题进行研究,传播速度包括法向和切向,并且,在界面传播过程中全变差的变化仅依赖在曲率为零处的法向速度对曲率的导数,切向速度对全变差的变化没有影响.

英文摘要：

Evolution of front with speed dependent on curvature is considered. The speed includes both normal and tangent components. Change of total variation of propagating front depends only on derivative of normal speed about curvature where curvature is zero. The tangent speed has no influence on change of total variation .

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