Table 1.
Parameters for compressible hydrodynamic simulations of the young Sun.
| Dimensions | Ri/R | Ro/R | Δr/R | ϕ (°) | Δθ (°) | τconv(106 s) | Time span (τconv) | |
|---|---|---|---|---|---|---|---|---|
| wide3D | 3D | 0.21 | 1.00 | 28 × 10−4 | 140 | 0.55 | 0.70 ± 0.04 | 4.09 |
| deep3D | 3D | 0.10 | 1.00 | 28 × 10−4 | 30 | 0.55 | 0.77 ± 0.03 | 4.05 |
| short3Da | 3D | 0.31 | 0.67 | 28 × 10−4 | 140 | 0.55 | 4.47 ± 1.67 | 3.36 |
| short3Db | 3D | 0.31 | 0.67 | 28 × 10−4 | 140 | 1.10 | 5.71 ± 1.71 | 8.30 |
| wide2D | 2D | 0.21 | 1.00 | 28 × 10−4 | 0 | 0.55 | 0.79 ± 0.07 | 104 |
| deep2D | 2D | 0.10 | 1.00 | 28 × 10−4 | 0 | 0.55 | 0.94 ± 0.13 | 284 |
| short2Da | 2D | 0.31 | 0.67 | 28 × 10−4 | 0 | 0.55 | 2.20 ± 0.29 | 121 |
| short2Db | 2D | 0.31 | 0.67 | 28 × 10−4 | 0 | 1.10 | 2.57 ± 0.32 | 174 |
Notes. The inner Ri and outer Ro radius of the spherical shell, and the radial grid spacing Δr in the convection zone are given in units of the total radius of the young Sun R. The angular extent of the simulation in the 3rd direction is ϕ, and the grid spacing in both angular directions is Δθ. The average global convective turnover time τconv is provided, and the total time span for each simulation is given in units of the convective turnover time.
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