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弱有限元方法简论

本站小编 Free考研考试/2021-12-27

王军平1, 叶秀2, 张然3
1. 美国国家科学基金会, 阿灵顿, VA 22230, 美国;
2. 阿肯色大学小石城分校数学系, 小石城, AR 72204, 美国;
3. 吉林大学数学学院, 长春 130012
收稿日期:2015-12-29出版日期:2016-08-15发布日期:2016-09-08


基金资助:张然的研究是中国国家自然科学基金(批准号:11271157,U1530116)和新世纪优秀人才支持计划资助的课题.


BASICS OF WEAK GALERKIN FINITE ELEMENT METHODS

Wang Junping1, Ye Xiu2, Zhang Ran3
1. Division of Mathematical Sciences, National Science Foundation, Arlington, VA 22230, USA;
2. Department of Mathematics, University of Arkansas at Little Rock, Little Rock, AR 72204, USA;
3. School of Mathematics, Jilin University, Changchun 130012, China
Received:2015-12-29Online:2016-08-15Published:2016-09-08


Supported by:The research of Wang was supported by the NSF IR/D program,while working at National Science Foundation. However, any opinion,finding, and conclusions or recommendations expressed in this material are those of the author and do not necessarily reflect the views of the National Science Foundation.The research of Ye was supported in part by National Science Foundation Grant DMS-1115097.





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本文简述弱有限元方法(weak Galerkin finite element methods)的数学基本原理和计算机实现.弱有限元方法对间断函数引入广义弱微分,并将其应用于偏微分方程相应的变分形式进行数值求解,而数值解的弱连续性则通过稳定子或光滑子来实现.弱有限元方法针对广义函数而构建,是经典有限元方法的一种自然拓广,且能够弥补经典有限元方法的某些缺憾,也因此在科学与工程计算领域具有广泛的应用前景.
MR(2010)主题分类:
65N15
65N30
35J50

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[1]张然. 弱有限元方法在线弹性问题中的应用[J]. 计算数学, 2020, 42(1): 1-17.

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