Open Access
Table 1
Numerical viscosity vnum with one standard deviation errors in code units for different grid types and resolutions.
| Code | Grid | Resolution |  |
αnum at R0 |
|---|---|---|---|---|
| PLUTO | Cartesian | 256 × 256 | (4.68 ± 0.19) × 10−6 | (1.87 ± 0.08) × 10−3 |
| PLUTO | Cartesian | 512 × 512 | (1.48 ± 0.01) × 10−6 | (5.92 ± 0.04) × 10−4 |
| PLUTO | Cartesian | 1024 × 1024 | (4.16 ± 0.03) × 10−7 | (1.67 ± 0.01) × 10−4 |
| PLUTO | Cartesian | 2048 × 2048 | (9.45 ± 0.11) × 10−8 | (3.78 ± 0.04) × 10−5 |
| PLUTO | Cartesian | 4096 × 4096 | (1.32 ± 0.08) × 10−8 | (5.29 ± 0.31) × 10−6 |
| PLUTO | Polar | 465 × 256 | (3.89 ± 0.94) × 10−15 | (1.56 ± 0.38) × 10−12 |
| Athena++ | Cartesian | 256 × 256 | (7.31 ± 0.22) × 10−6 | (2.92 ± 0.08) × 10−3 |
| Athena++ | Cartesian | 512 × 512 | (2.04 ± 0.05) × 10−6 | (8.16 ± 0.19) × 10−4 |
| Athena++ | Cartesian | 1024 × 1024 | (4.26 ± 0.11) × 10−7 | (1.70 ± 0.04) × 10−4 |
| Athena++ | Cartesian | 2048 × 2048 | (1.11 ± 0.02) × 10−7 | (4.44 ± 0.08) × 10−5 |
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