The local superconvergence of the quadratic triangular element for the poisson problem in a polygonal domain
DOI10.1002/num.21881zbMath1407.65261OpenAlexW1934203812MaRDI QIDQ4982258
Qiding Zhu, Wen-ming He, Jun-Zhi Cui
Publication date: 24 March 2015
Published in: Numerical Methods for Partial Differential Equations (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1002/num.21881
Poisson equationweak estimateslocal symmetric techniquelocal superconvergencepolygonal boundaryquadratic triangular elements
Boundary value problems for second-order elliptic equations (35J25) Error bounds for boundary value problems involving PDEs (65N15) Stability and convergence of numerical methods for boundary value problems involving PDEs (65N12) Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs (65N30)
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