Magnetohydrodynamics with Chombo: Tests and First Results

Details Magnetohydrodynamics with Chombo: Tests and First Results Magnetohydrodynamics with Chombo: Tests and First Results

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aspc..359...25k&link_type=abstract

Numerical Modeling of Space Plasma Flows: Astronum-2006 ASP Conference Series, Volume 359, Proceedings of the Conference Held 26

Astronomy and Astrophysics

Astronomy

7

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 is verified against several standard 1D and 2D MHD test flows involving multiple discontinuities, such as an Orszag--Tang vortex problem, rotor problems, blast wave interactions with dense clouds, Kelvin--Helmholtz instability, etc., and we show here. The results of several such tests are presented. We also summarize the first results obtained using a multifluid model of the solar wind -- interstellar medium interaction. It is shown that the heliopause is subject to both Rayleigh--Taylor and Kelvin--Helmholtz instabilities.

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