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Cratering mechanics on Venus - Pressure enhancement by the atmospheric 'ocean'The impedance match technique and EOSs of equations of state (EOSs) of geologically relevant materials are used to investigate cratering mechanics on Venus, specifically, the coupling of impactor kinetic energy and momentum into the target surface. These EOSs are modified to account for multiple shocks. Peak impact pressures from both first reflection and later reverberations are determined. These are compared to values obtained using an atmosphereless model, and the differences between and implications for atmosphere-affected and atmosphereless impacts are discussed.
Document ID
19930032181
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Brackett, Robert A.
(NASA Headquarters Washington, DC United States)
Mckinnon, William B.
(Washington Univ. Saint Louis, MO, United States)
Date Acquired
August 15, 2013
Publication Date
November 3, 1992
Publication Information
Publication: Geophysical Research Letters
Volume: 19
Issue: 21
ISSN: 0094-8276
Subject Category
Lunar And Planetary Exploration
Accession Number
93A16178
Funding Number(s)
CONTRACT_GRANT: NAGW-432
CONTRACT_GRANT: NGT-40029
Distribution Limits
Public
Copyright
Other

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