On the “strength” of the small bodies of the solar system: A review of strength theories and their implementation for analyses of impact disruptions

Details On the “strength” of the small bodies of the solar system: A review of strength theories and their implementation for analyses of impact disruptions On the “strength” of the small bodies of the solar system: A review of strength theories and their implementation for analyses of impact disruptions

Feb 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009p%26ss...57..127h&link_type=abstract

Planetary and Space Science, Volume 57, Issue 2, p. 127-141.

Mathematics

Logic

10

Scientific paper

Composed of rocks, dirt, ices and metals, the small bodies of the Solar System generally show features of strength; and that property undoubtedly played a major role in their collisional evolution. But the quantification of strength is difficult because there are many different measures of strength, and those measures depend significantly on a body's composition, previous history and size. Although it is at the foundations of our scaling theories for the disruption of small bodies, and an essential part of code calculations, we have only recently begun to understand and come to grips with that strength property and in appropriate ways to model it in our theories and calculations. This is a general overview of strength theories for geological-type materials as needed for impact analyses. Dominant features of strength models are discussed, and comparisons of various models in the literature against that feature template is given. A summary of the use of strength theories in impact calculations is presented.

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