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Peak Shock Pressures Estimated Using the Planar Impact Approximation (PIA) and AUTODYN Hydrocode
| Shot | Target | Impact speed (km s−1) | Impact angle | Peak pressure (PIA: ice projectile) GPa | Peak pressure (PIA: nylon projectile) GPa | Peak pressure (AUTODYN) GPa |
|---|---|---|---|---|---|---|
| 1 | Water | 2.00 | 90° | 3.3 | 3.9 | 3.47 |
| 2 | Ice | 4.39 | 90° | 7.5 | 13.1 | 15.8 |
| 3 | Water | 1.97 | 45° | 2.3 | 2.7 | 2.28 |
| 4 | Sand | 1.98 | 45° | 2.7 | 3.3 | 2.49 |
| 5 | Ice | 4.19 | 90° | 7.0 | 12.1 | 14.6 |
