Table 3 Material model parameters for basalt targets
From: Effect of projectile shape and interior structure on crater size in strength regime
Basalt* | |
|---|---|
EOS model | ANEOS |
Poisson’s ratio | 2.5 |
Melting temperature (K) | 1360 |
Simon parameter a (GPa) | 4.5 |
Simon parameter c | 3.0 |
Thermal softening coefficient | 0.7 |
Cohesion (intact) (MPa) | 20 |
Frictional constant (intact) | 1.4 |
Cohesion (damaged) (MPa) | 0.01 |
Frictional constant (damaged) | 0.6 |
Limiting strength (GPa) | 2.5 |
Minimum failure strain | 10–4 |
Constant for the damage model | 10–11 |
Threshold pressure for the damage model (MPa) | 300 |