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| Paper: |
Magnetohydrodynamics with Anisotropic Ion Pressure |
| Volume: |
459, 6th International Conference of Numerical Modeling of Space Plasma Flows (ASTRONUM 2011) |
| Page: |
340 |
| Authors: |
Meng, X.; Tóth, G.; Gombosi, T. I. |
| Abstract: |
To simulate the pressure anisotropy of space plasmas,
we extended the global magnetohydrodynamics (MHD) model BATS-R-US
based on the study of MHD with anisotropic ion pressure and isotropic
electron pressure under both the classical and semirelativistic approximation.
We derived the characteristic wave speeds for determining time steps and
calculating numerical fluxes. Simulations of the Earth's magnetosphere
validated the model's ability to reproduce the pressure anisotropy in the
magnetosheath. |
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