Table A.1
Physical parameters used in the validation of MoCSI and comparison to 1DTM and heat1D.
| Simulation | Parameter name | Parameter value |
|---|---|---|
| Analytical solution [1] | Initial temperature | 300K |
| Top boundary heat flux | 7 ∙ 105 Wm−2 | |
| Bottom boundary heat flux | 0Wm−2 | |
| Thermal conductivity | 80.2Wm−1K−1 | |
| Specific heat capacity | 450Jkg−1K−1 | |
| Bulk density | 7800kgm−3 | |
| Spherical crater radiosity [2] | Insolation | 1000Wm−2 |
| Albedo | 0.3 | |
| Emissivity | 0.99 | |
| sun elevation above normal | 15° | |
| crater bottom-rim angle | 40° | |
| 1DTM [3] | Initial temperature | 210K |
| Top boundary heat flux | Surface energy balance | |
| Bottom boundary heat flux | 0.2 Wm−2 | |
| Facet latitude | 5° | |
| Period | 59479413.48 s | |
| Heliocentric distance | 1.52AU | |
| Albedo | 0.2 | |
| Emissivity | 1 | |
| Thermal conductivity | 0.015Wm−1K−1 | |
| Specific heat capacity | 800Jkg−1K−1 | |
| Bulk density | 1200kgm−3 | |
| heat1d [4] | Initial temperature | 110.3779K |
| Top boundary heat flux | Surface energy balance | |
| Bottom boundary heat flux | 0.03Wm−2 | |
| Period | 618192s | |
| Heliocentric distance | 5.2044AU | |
| Obliquity | 0.05463 rad | |
| Equilibrium time | 374006160 s | |
| Albedo | 0.4 | |
| Emissivity | 0.9 | |
| R350 | 6.2974 ∙ 10−8 Wm−1K−4 | |
| H-parameter | 0.07 | |
| Thermal conductivity | 0.01 - (0.01 - 0.002) ∙ exp(-x/H) + (1 + R350 ∙ T3) Wm−1 K−1 | |
| Specific heat capacity | 90 ∙ T + 7.49Jkg−1K−1 | |
| Bulk density | 450 - (450 - 100) ∙ exp(-x∕H)kgm−3 | |
Notes. [1] Analytical solution from Incropera et al. (1996), values taken from MOOSE Framework (2025); [2] Non-transient simulation, description of solution in Ingersoll et al. (1992) and crater values and mesh used from Potter et al. (2023) [3] Schörghofer & Khatiwala (2024); [4] Hayne et al. (2017).
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