A non-conforming saddle point least squares approach for an elliptic interface problem

DOI10.1515/cmam-2018-0202zbMath1421.74094arXiv1808.10409OpenAlexW2963137730MaRDI QIDQ2324380

Jacob Jacavage, Constantin Bacuta

Publication date: 11 September 2019

Published in: Computational Methods in Applied Mathematics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1808.10409

zbMATH Keywords

least squaresmultilevel methodsconjugate gradientmixed methodssaddle point systemsUzawa type algorithmsdual DPGcascadic algorithm

Mathematics Subject Classification ID

Multigrid methods; domain decomposition for boundary value problems involving PDEs (65N55) Classical linear elasticity (74B05) Finite element methods applied to problems in solid mechanics (74S05) Numerical solution of discretized equations for boundary value problems involving PDEs (65N22)

Related Items

Efficient discretization and preconditioning of the singularly perturbed reaction-diffusion problem ⋮ Least squares preconditioning for mixed methods with nonconforming trial spaces ⋮ Notes on a saddle point reformulation of mixed variational problems ⋮ Primal Dual Mixed Finite Element Methods for Indefinite Advection-Diffusion Equations ⋮ Recent advances in least-squares and discontinuous Petrov-Galerkin finite element methods ⋮ Saddle point least squares for the reaction-diffusion problem

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