Table 3.

Estimates of peak shock pressures in the impacts reported here. The s and C values (equation (3.1)) for the projectile were 1.28 and 1560 m s−1, respectively, for water ice, and for the water target were 1.48 and 1600 m s−1, respectively [24].

hydrocode shock pressures (GPa)
impact speed (km s−1)PIA peak pressure (GPa)lowest peak pressure anywhere in the frozen samplelowest peak pressure across most highly shocked 50% of frozen samplegreatest peak pressure anywhere in frozen sample
0.3880.30.120.170.55
1.261.52.042.313.19
2.052.94.405.976.26
3.146.38.459.9110.8
4.108.612.213.815.5
5.1112.417.018.821.2