Research Article
A Relaxed Splitting Preconditioner for the Incompressible Navier-Stokes Equations
Table 2
Iterations of preconditioned GMRES(30) for steady Oseen problems (Picard).
| Grid | | | | Q2-Q1 | Q2-P1 | Q2-Q1 | Q2-P1 | Q2-Q1 | Q2-P1 |
| 16 × 16 | 27 | 14 | 29 | 16 | 48 | 27 | 32 × 32 | 27 | 12 | 29 | 14 | 54 | 26 | 64 × 64 | 23 | 10 | 26 | 12 | 49 | 24 | 128 × 128 | 19 | 11 | 21 | 10 | 37 | 20 | 256 × 256 | 16 | 10 | 10 | 8 | 17 | 14 |
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