Nonconforming cell boundary element methods for elliptic problems on triangular mesh

Youngmok Jeon, Eun Jae Park

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)


The nonconforming cell boundary element (CBE) methods are proposed. The methods are designed in such a way that they enjoy the mass conservation at the element level and the normal component of fluxes at inter-element boundaries are continuous for unstructured triangular meshes. Normal flux continuity and the optimal order error estimates in a broken H1 norm for the P1 method are established, which are completion of authors' earlier works [Y. Jeon, D. Sheen, Analysis of a cell boundary element method, Adv. Comput. Math. 22 (3) (2005) 201-222; Y. Jeon, E.-J. Park, D. Sheen, A cell boundary element method for elliptic problems, Numer. Methods Partial Differential Equations 21 (3) (2005) 496-511]. Moreover, two second order methods (the P2* and modified P2* methods) and a multiscale CBE method are constructed and numerical experiments are performed. Numerical results show feasibility and effectiveness of the CBE methods.

Original languageEnglish
Pages (from-to)800-814
Number of pages15
JournalApplied Numerical Mathematics
Issue number6
Publication statusPublished - 2008 Jun

All Science Journal Classification (ASJC) codes

  • Numerical Analysis
  • Computational Mathematics
  • Applied Mathematics


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