Table 1
Material parameters of the SPH simulations.
| ρ | 3 | 8 | g cm−3 |
| A | 26.7 | 128 | GPa |
| B | 26.7 | 105 | GPa |
| µ | 22.7 | 82 | GPa |
| E | 8 | 211 | GPa |
| Y | 3.5 | 0.35 | GPa |
| C | 0.09 | 0.09 | GPa |
| a | 0.5 | 0.5 | |
| b | 1.5 | 1.5 | |
| α | 5 | 5 | |
| β | 5 | 5 | |
| Umelt | 3.4 | 1.0 | MJ kg−1 |
| Uiv | 4.72 | 1.42 | MJ kg−1 |
| Ucv | 18.2 | 8.45 | MJ kg−1 |
| Usubl | 487 | 9.5 | MJ kg−1 |
| µi | 2 | 2 | |
| µd | 0.8 | 0.8 | |
| k | 4 × 1035 | 1 × 1023 | m−3 |
| m | 9 | 8 |
Notes. ρ denotes the density, A the bulk modulus, B the non-linear modulus, µ the shear modulus, E the elastic modulus, Y the yield strength (for comparison), C the cohesion, a, b, α, β the Tillotson parameters, Umelt the internal energy of melting (for comparison), Uiv the incipient vaporisation, Ucv the complete vaporisation, Usubl the sublimation, µi the internal friction, µd the dry friction, k the Weibull coefficient, and m the Weibull exponent.
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