Research Article
High-Order Compact Difference Scheme and Multigrid Method for Solving the 2D Elliptic Problems
Table 9
Maximum absolute error and convergence rate of the FOC scheme for different Re for Problem 3.
| | Re | Error(=1/64) | Error(=1/128) | Rate | Error(=1/256) | Rate |
| | 1.61(-5) | 1.01(-6) | 3.99 | 6.28(-8) | 4.01 | | 2.11(-4) | 1.32(-5) | 4.00 | 8.24(-7) | 4.00 | | 4.44(-4) | 1.05(-4) | 2.08 | 9.14(-6) | 3.52 | | 4.28(-4) | 1.28(-4) | 1.74 | 3.61(-5) | 1.83 |
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