Analysis of Some Mixed Finite Element Methods for Plane Elasticity Equations

DOI10.2307/2007683zbMath0537.73057OpenAlexW4251628929MaRDI QIDQ3323415

Juhani Pitkäranta, Rolf Stenberg

Publication date: 1983

Published in: Mathematics of Computation (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.2307/2007683

zbMATH Keywords

stressesrectangular griddisplacementspenalty methodpiecewise constanttwo-dimensional elasticity equationsapproximated by continuous piecewise bilinear functionsaverage of four parameters per nodeequilibrium composite quadrilateral elementMixed finite element modelsquadratic convergence rate for stressessome degrees of freedom can be eliminated

Mathematics Subject Classification ID

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