Computer Science – Performance
Scientific paper
Apr 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aspc..406..149p&link_type=abstract
Numerical Modeling of Space Plasma Flows: ASTRONUM-2008 ASP Conference Series, Vol. 406, proceedings of the conference held 8-13
Computer Science
Performance
3
Scientific paper
The structure is described of the Multi-Scale FLUid-Kinetic Simulation Suite (MS-FLUKSS), which is developed as a tool for modeling discontinuous flows of partially ionized plasma. The challenges which are addressed in the suite include the necessity of fine resolution of discontinuities in time-dependent magnetized flows and efficient modeling of the neutral atom transport with an ion--atom mean free path comparable with the distances between major heliospheric discontinuities. The major constituent blocks of this suite are the following: an adaptive mesh refinement module to solve the ideal MHD equations with multiple discontinuities, multi-fluid and kinetic modules to solve the Boltzmann equation for the atom transport, and a module to calculate the cosmic ray transport. We show recent results on the code performance, scalability, and testing. The application of the suite to the calculation of a complex flow of partially-ionized plasma occurring when the solar wind collides with the local interstellar medium is discussed.
Borovikov Sergey N.
Florinski Vladimir
Heerikhuisen Jacob
Kryukov Igor A.
Pogorelov Nikolai V.
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