Time-dependent MHD modeling of the global structure of the heliosphere

Details Time-dependent MHD modeling of the global structure of the heliosphere Time-dependent MHD modeling of the global structure of the heliosphere

Jun 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995sowi.conf...53l&link_type=abstract

International Solar Wind 8 Conference, p. 53

Astronomy and Astrophysics

Astronomy

1

Heliosphere, Interplanetary Magnetic Fields, Interstellar Matter, Magnetohydrodynamics, Parallel Flow, Time Dependence, Magnetohydrodynamic Flow, Magnetic Effects, Astronomical Models, Magnetic Fields, Solar Cycles, Interplanetary Space, Solar Activity Effects, Solar Wind, Two Dimensional Models

Scientific paper

We present results from time-dependent modeling of the global structure of the heliosphere with neutral and magnetic field effects included. The magnetic field is assumed parallel to the interstellar flow in this two-dimensional axisymmetric model; the neutrals are treated as a fluid. The effects of interstellar neutrals and the interplanetary magnetic field on the location of the termination shock are studied using the most recent estimate of the interstellar medium parameters, results will be compared to those of Baranov and Zaitsev. The effect of the solar wind - VLISM interaction on the density and velocity of interstellar neutrals within the heliosphere will also be presented and related to observations. The response of the termination shock to the solar cycle variation in the solar wind will be compared to the response found previously using an axisymmetric hydrodynamic model without neutrals.

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