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P1-nonconforming triangular finite element method for elliptic and parabolic interface problems

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  • 1. College of Mathematics and Information Sciences, Zhengzhou University of Light Industry, Zhengzhou 450002, China;
    2. School of Mathematics and Statistics, Zhengzhou University, Zhengzhou 450001, China

Received date: 2014-08-22

  Revised date: 2015-01-20

  Online published: 2015-09-01

Supported by

Project supported by the National Natural Science Foundation of China (No. 11271340)

Abstract

The lowest order P1-nonconforming triangular finite element method (FEM) for elliptic and parabolic interface problems is investigated. Under some reasonable regularity assumptions on the exact solutions, the optimal order error estimates are obtained in the broken energy norm. Finally, some numerical results are provided to verify the theoretical analysis.

Cite this article

Hongbo GUAN, Dongyang SHI . P1-nonconforming triangular finite element method for elliptic and parabolic interface problems[J]. Applied Mathematics and Mechanics, 2015 , 36(9) : 1197 -1212 . DOI: 10.1007/s10483-015-1974-6

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