Physics
Scientific paper
Dec 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011agufmsa13a1865n&link_type=abstract
American Geophysical Union, Fall Meeting 2011, abstract #SA13A-1865
Physics
[2459] Ionosphere / Planetary Ionospheres, [2780] Magnetospheric Physics / Solar Wind Interactions With Unmagnetized Bodies
Scientific paper
This paper reports on a new advanced multi-fluid MHD model that has recently been developed for Venus. The model is similar to the numerical model that was successfully applied to Mars (Najib et al., 2011). Mass densities, velocities and pressures of the protons and major ionosphere ion species (O+, O2+ and CO2+) are self-consistently calculated by solving the individual coupled continuity, momentum and energy equations. The various chemical reactions and ion-neutral collision processes are considered in the model. The simulation domain covers the region from 100 km altitude above the surface up to 16 RV in the tail. An adaptive spherical grid structure is constructed with radial resolution of about 10 km in the lower ionosphere. The model is applied to both solar-maximum and solar-minimum conditions and model results are compared in detail with multi-species single fluid model results.
Ma Yi
Nagy Andrew F.
Najib Dalal
Russell Christopher T.
Tóth Géza
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