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抛物型界面问题的变网格有限元方法

本站小编 Free考研考试/2021-12-27

关宏波, 洪亚鹏
郑州轻工业大学 数学与信息科学学院, 郑州 450002
收稿日期:2018-07-04出版日期:2020-05-15发布日期:2020-05-15


基金资助:国家自然科学基金(11501527),郑州轻工业大学青年骨干教师基金(2016XGGJS008)、博士基金(2015BSJJ070)及研究生科技创新项目(2018018)资助.


FINITE ELEMENT METHODS WITH MOVING GRIDS FOR PARABOLIC INTERFACE PROBLEMS

Guan Hongbo, Hong Yapeng
College of Mathematics and Information Science, Zhengzhou University of Light Industry Zhengzhou 450002, China
Received:2018-07-04Online:2020-05-15Published:2020-05-15







摘要



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本文针对抛物型界面问题,提出了一种线性三角形变网格有限元方法.其主要思路是针对空间变量采用有限元离散,对时间变量采用差分离散,但是不同时刻的有限元剖分网格可以不同.在不引入Ritz投影这一传统分析工具的情况下,得到了最优误差估计结果,使得证明过程更加简洁.给出的数值算例验证了理论分析的正确性.
MR(2010)主题分类:
65N30
65N15

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