An Augmented Lagrangian Uzawa Iterative Method for Solving Double Saddle-Point Systems with Semidefinite (2,2) Block and its Application to DLM/FD Method for Elliptic Interface Problems
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Publication:5163918
DOI10.4208/cicp.OA-2020-0084zbMath1473.65043OpenAlexW3196708735MaRDI QIDQ5163918
Publication date: 9 November 2021
Published in: Communications in Computational Physics (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.4208/cicp.oa-2020-0084
elliptic interface problemaugmented Lagrangian Uzawa methoddistributed Lagrange multiplier/fictitious domain (DLM/FD) methoddouble saddle-point problem
Computational methods for sparse matrices (65F50) Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs (65N30) Iterative numerical methods for linear systems (65F10) Fictitious domain methods for boundary value problems involving PDEs (65N85)
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