scientific article; zbMATH DE number 839248

zbMath0835.65088MaRDI QIDQ4864100

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Publication date: 29 January 1996

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zbMATH Keywords

variational inequalitiesnumerical resultsobstacle problemsfree boundary problemserror estimatorspreconditioned conjugate gradient methodsadaptive finite elementadditive Schwarz iterationsmultilevel iterative solverssecond-order elliptic differential operatorsBPX preconditioners

Mathematics Subject Classification ID

Multigrid methods; domain decomposition for boundary value problems involving PDEs (65N55) Numerical optimization and variational techniques (65K10) Variational inequalities (49J40) Newton-type methods (49M15) Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs (65N30) Numerical computation of matrix norms, conditioning, scaling (65F35)

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Uses Software

• Kaskade7