Multifluid adaptive-mesh simulation of the solar wind interaction with the local interstellar medium

Details Multifluid adaptive-mesh simulation of the solar wind interaction with the local interstellar medium Multifluid adaptive-mesh simulation of the solar wind interaction with the local interstellar medium

Sep 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aipc..858...39k&link_type=abstract

PHYSICS OF THE INNER HELIOSHEATH: Voyager Observations, Theory, and Future Prospects; 5th Annual IGPP International Astrophysics

Astronomy and Astrophysics

Astrophysics

4

Heliopause And Solar Wind Termination, Heliosphere/Interstellar Medium Interactions, Two-Fluid And Multi-Fluid Plasmas, Macroinstabilities

Scientific paper

DOE's SciDAC adaptive mesh refinement code Chombo has been modified for solution of compressible MHD flows with the application of high resolution, shock-capturing numerical schemes. The code developed is further extended to involve multiple fluids and applied to the problem of the solar wind interaction with the local interstellar medium. For this purpose, a set of MHD equations is solved together with a few sets of the Euler gas dynamics equations, depending on the number of neutral fluids included in the model. Our first results are presented that were obtained in the framework of an axially symmetric multifluid model which is applicable to magnetic-field-aligned flows. Details are shown of the generation and development of Rayleigh-Taylor and Kelvin-Helmholtz instabilities of the heliopause. A comparison is given of the results obtained with a two- and four-fluid models.

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