What Do We Need to Know to Model Impact Processes?

Details What Do We Need to Know to Model Impact Processes? What Do We Need to Know to Model Impact Processes?

Feb 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003icbg.conf...34h&link_type=abstract

Impact Cratering: Bridging the Gap Between Modeling and Observations, p. 34-35

Mathematics

Computerized Simulation, Computer Techniques, Models, Impact, Reliability, Robustness (Mathematics), Low Temperature, Ice, Partial Pressure

Scientific paper

The computer modeling of hyper-velocity impacts into planetary bodies is one of the most challenging computer tasks we attempt. The physical states encountered in impact events can begin with pressures measured in gigabars and temperatures measured in hundreds of electron-volts, and then proceed all the way down to the ordinary partial bars of pressure and few degrees of temperature as in our common experience in terrestrial soils and rocks. The interest in planetary science applications spans not only those common terrestrial soils and rocks, but also gases, ices at extreme low temperatures, and very loose, rubble-pile materials that could not even with-stand the pressures of the Earth's gravity without crumbling.

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