On the scaling of crater dimensions. II - Impact processes

Physics

Scientific paper

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Cratering, Dimensional Analysis, Impact Damage, Impactors, Kinetic Energy, Scaling Laws, Invariance, Mass, Physical Properties, Velocity

Scientific paper

Holsapple and Schmidt (1980) previously addressed the problem of the scaling of explosive cratering. Their analysis included results which show under which conditions the scaling can be bounded between quarter-root and cube-root rules. The present investigation is an extension of the earlier analysis and approaches the case of impact cratering. More restrictive bounds are found for impact cratering than for the explosive case. These stronger results come from considering the role of the impactor momentum as an independent variable for impact cratering. Attention is given to impact cratering variables, general scaling rules, the bounds on scaling rules, a generalization to more variables, and previous scaling rules and results.

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