The Scientific World Journal / 2015 / Article / Tab 4

Research Article

The Mixed Finite Element Multigrid Method for Stokes Equations

Table 4

Number of iterations and CPU time for multigrid (-cycle) with different smoothers and smoother preconditioner approximations at different levels of refinement, tolerance = .

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

18 ()13 ()9 ()14 ()
19 ()14 ()10 ()16 ()
19 ()14 ()11 ()16 ()
19 ()14 ()11 ()16 ()

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