1980•USRA Houston Repository (Lunar and Planetary Institute)Open access

Calculational investigation of impact cratering dynamics: material motions during the crater growth period.

M. G. Austin, Jeffrey M. Thomsen, S. F. Ruhl, Dennis L. Orphal, P. H. Schultz

Abstract

A two-dimensional finite difference calculation of a laboratory-scale hypervelocity (6 km/sec) impact of a 0.3 g spherical 2024 aluminum projectile into a homogeneous plasticene clay halfspace has been carried out to a time of 600 μsec and the material motions during this crater growth period analyzed.

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Key concepts: Impact crater, Projectile, Shock wave, Mechanics, Geology, Physics, Astrobiology, Quantum mechanics