Table 11 Computational errors on the finest grid and L2, L∞ accuracy between the last two grids of different stencils
Different stencils | AR ≈ 5 × 102 | AR ≈ 103 | L2 accuracy (5 × 102/103) | L∞ accuracy (5 × 102/103) | ||
|---|---|---|---|---|---|---|
L2 errors | L∞ errors | L2 errors | L∞ errors | |||
V-Stencil | 8.706 × 10−5 | 1.984 × 10−4 | 1.039 × 10−4 | 2.002 × 10−4 | 2.94/2.947 | 2.773/2.871 |
F-Stencil | 7.489 × 10−5 | 2.261 × 10−4 | 8.234 × 10−5 | 1.981 × 10−4 | 2.952/2.968 | 2.851/2.86 |
G-Stencil (Cell centroid) | 2.946 × 10−5 | 9.303 × 10−5 | 5.065 × 10−5 | 8.56 × 10−5 | 2.973/2.966 | 2.94/2.925 |
G-Stencil (F-a-w centroid) | 7.961 × 10−6 | 8.831 × 10−5 | 5.651 × 10−6 | 6.063 × 10−5 | 3.057/3.378 | 2.937/2.913 |