Table 1: Comparison of the one-level stabilized method with the Oseen two-level stabilized method.

1/H1/h rate rateTime (s)

3 9 0.573428 0.140335 1.00
90.573514 0.140348 0.45

4160.250137 1.44190.0709911 6.00
160.2502471.44140.071002 1.18431.88

5250.134685 1.38720.0430539 1.118150.00
250.134791.38640.0430626 1.120524.85

6360.08327991.31840.029072 1.0769421.20
360.0833677 1.31760.02907871.0768214.00

749 0.056536 1.25630.0210298 1.05042526.50
490.05660211.25600.02103481.05041255.30