Physics
Scientific paper
May 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009agusmsh31a..02y&link_type=abstract
American Geophysical Union, Spring Meeting 2009, abstract #SH31A-02
Physics
2722 Forecasting (7924, 7964), 7924 Forecasting (2722)
Scientific paper
We developed a parallel, three-dimensional upsplit magneto-hydrodynamic (MHD) code for the numerical study of propagation of solar disturbances from Sun to Earth. This code uses several high resolution upwind schemes to solve the nonlinear 3D idea/resistive MHD equations with block-structured adaptive mesh in spherical coordinate. The high order polynomial fits method is used for the data reconstruction and prolongation, and the divergence-free of magnetic field is satisfied by using constrained transport (CT) method. High order total variance diminishing (TVD) Runge-Kutta method is used to advance the time-dependent MHD equations. The ability of adaptive mesh refinement is enabled with the framework of PARAMESH library. The code is fully parallelized with message passing interface (MPI) and a dynamic load balancing scheme is incorporated to improve the parallel efficiency. Finally, we demonstrate the effectiveness of the code with several challenging benchmark cases.
Boteler David
Trichtchenko Larisa
Yuan Xianbao
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