Nonconforming arbitrary quadrilateral element approximation for the unilateral problem

zbMATH Open0973.65097MaRDI QIDQ2713546

Guijun Feng, Dongyang Shi

Publication date: 9 December 2001

Published in: Journal of Zhengzhou University. Natural Science Edition (Search for Journal in Brave)

zbMATH Keywords

convergenceerror estimatesPoisson equationquadrilateral elementsnonconformingunilateral problemWilson elementrectangular elementSpecht element

Mathematics Subject Classification ID

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) Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation (35J05)

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