Circumventing the Babuška-Brezzi condition in mixed finite element approximations of elliptic variational inequalities

DOI10.1016/0045-7825(92)90163-EzbMath0768.65033OpenAlexW2037458387MaRDI QIDQ1205642

Helio J. C. Barbosa, Thomas J. R. Hughes

Publication date: 1 April 1993

Published in: Computer Methods in Applied Mechanics and Engineering (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/0045-7825(92)90163-e

zbMATH Keywords

Lagrange multipliersconvergenceelliptic variational inequalitiesGalerkin methodfinite element methodconsistencyvariational methodleast squaresBabuška-Brezzi condition

Mathematics Subject Classification ID

Numerical optimization and variational techniques (65K10) Variational inequalities (49J40) Newton-type methods (49M15)

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