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Journal of Applied Mathematics
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Journal of Applied Mathematics
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2013
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Article
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Tab 7
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Research Article
A Parameterized Splitting Preconditioner for Generalized Saddle Point Problems
Table 7
Preconditioned GMRES(20) on steady Oseen problems with different grid sizes (uniform grids), viscosity
.
Grid
its
LU time
its time
Total time
10000
3
0.0458
0.0224
0.0682
10000
3
0.4309
0.0451
0.4760
10000
4
7.6537
0.1712
7.8249
10000
5
175.1587
3.4554
178.6141