Published

A Multigrid Solver based on Distributive Smoother and Defect Correction for Oseen Problems

Long Chen, Xiaozhe Hu, Ming Wang, and Jinchao Xu

Numerical Mathematics: Theory, Methods and Applications. 8(2), 237-252, 2015.

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ABSTRACT:

 An efficient multigrid solvers for the Oseen problems
discretized by Marker and Cell (MAC) scheme on staggered grid is
developed in this paper.  Least squares commutator distributive
Gauss-Seidel (LSC-DGS) relaxation is generalized and developed for
Oseen problems and overweighting and defect-correction techniques are
applied to further improve the performance. Some numerical results are
presented to demonstrate the efficiency and robustness of the proposed
solver.