Efficient preconditioners for saddle point systems with trace constraints coupling 2D and 1D domains
classification
🧮 math.NA
keywords
preconditionerscouplingdomainsefficientparameteranalyzedconstraintconstraints
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We study preconditioners for a model problem describing the coupling of two elliptic subproblems posed over domains with different topological dimension by a parameter dependent constraint. A pair of parameter robust and efficient preconditioners is proposed and analyzed. Robustness and efficiency of the preconditioners is demonstrated by numerical experiments.
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