Browsing by Subject "Magnetosphere-Ionosphere Coupling"

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    Fortran code for modeling the propagation of ULF waves in a 3-dimensional dipole magnetosphere
    (2020-04-13) Lysak, Robert L; Waters, Colin; Sciffer, Murray; lysak001@umn.edu; Lysak, Robert L; University of Minnesota Space Physics Group
    This code allows for the modeling of Ultra-Low-Frequency (ULF) waves in the Earth's magnetosphere. It has been used in a number of publications and presentations at conferences. It takes a prescribed driver in the form of a compression at the outer boundary and follows the propagation of the waves through the magnetosphere and to the ground. The output consists of files each containing snapshots of one component of the electromagnetic field at all points in the simulation volume at an instant of time, in addition to files containing background information such as the Alfven speed profile throughout the simulation.
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    Updated Fortran program for modeling ULF waves in a three-dimensional magnetosphere
    (2022-05-19) Lysak, Robert L; lysak001@umn.edu; Lysak, Robert L; University of Minnesota School of Physics and Astronomy Space Physics Group
    This is the update of a three-dimensional code in dipole geometry for modeling Ultra-Low-Frequency (ULF) waves. The previous version is at https://doi.org/10.13020/d1g7-c676. This code has been used in a study of so-called Pi2 pulsations in the magnetosphere, which are waves with a period of 1-2 minutes that are commonly observed during substorms. This code has been used in conjunction with analysis of data from the Van Allen Probes mission.