Other
Scientific paper
Sep 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998baas...30.1076d&link_type=abstract
American Astronomical Society, DPS meeting #30, #32.P13; Bulletin of the American Astronomical Society, Vol. 30, p.1076
Other
Scientific paper
We are developing a model for the plume-infall phase of the SL-9/Jupiter collision. The modeling takes place in two steps. The first step is a ballistic Monte-Carlo simulation of the ejecta from the collision, based on a power-law distribution of ejecta velocities. Parameters from this simulation are adjusted to best reproduce the appearance of the ejecta plume above the jovian limb, and the debris patterns on the disk, as seen by HST. Results of those calculations are reported in a paper by Harrington and Deming (this meeting). In this paper we report results from the second step, wherein the ballistic Monte-Carlo plume simulations are coupled to the Zeus-3D hydrodynamic code. Zeus is used in a 2-D mode to follow both the radial and z-component motions of the infalling plume material, and model the resultant shock-heating of the ambient atmosphere. Zeus was modified to include radiative transport in the gray approximation. We discuss the results as concerns: 1) the temperatures and other physical conditions in the radiating upper atmospheric shocks, 2) the morphology of the light curve, including the nature of secondary maxima, and 3) the structure of the post-collision jovian atmosphere.
Deming Drake
Harrington Joseph
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