The Scientific World Journal / 2015 / Article / Tab 6

Research Article

The Mixed Finite Element Multigrid Method for Stokes Equations

Table 6

Number of iterations and CPU time of iterations for multigrid (-cycle) with different smoothers and using one -cycle multigrid preconditioner approximation (for both and ) at different levels of refinement, tolerance = .

Levels MG--cycle()
DGS IUzawa Braess-SarazinPMINRES
Iter(cpu time (sec))Iter(cpu time (sec))Iter(cpu time (sec))Iter(cpu time (sec))

14 ()10 ()6 ()13 ()
15 ()10 ()7 ()14 ()
16 ()11 ()8 ()14 ()
16 ()11 ()8 ()14 ()

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