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Magnetohydrodynamic...
Magnetohydrodynamic With Embedded Particle-In-Cell Simulation of the Geospace Environment Modeling Dayside Kinetic Processes Challenge Event
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- Chen, Yuxi (författare)
- Univ Michigan, Dept Climate & Space Sci & Engn, Ann Arbor, MI 48109 USA.
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- Toth, Gabor (författare)
- Univ Michigan, Dept Climate & Space Sci & Engn, Ann Arbor, MI 48109 USA.
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- Hietala, Heli (författare)
- Univ Turku, Dept Phys & Astron, Space Res Lab, Turku, Finland.;Univ Calif Los Angeles, Dept Earth Planetary & Space Sci, Los Angeles, CA USA.;Imperial Coll London, Blackett Lab, London, England.
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- Vines, Sarah K. (författare)
- Johns Hopkins Univ, Appl Phys Lab, Laurel, MD USA.
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- Zou, Ying (författare)
- Univ Alabama, Ctr Space Plasma & Aeron Res, Huntsville, AL 35899 USA.
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- Nishimura, Yukitoshi (författare)
- Boston Univ, Dept Elect & Comp Engn, Boston, MA 02215 USA.;Boston Univ, Ctr Space Phys, Boston, MA 02215 USA.
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- Silveira, Marcos V. D. (författare)
- NASA, Goddard Space Flight Ctr, Greenbelt, MD USA.;Catholic Univ Amer, Washington, DC 20064 USA.
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- Guo, Zhifang (författare)
- Auburn Univ, Dept Phys, Auburn, AL 36849 USA.
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- Lin, Yu (författare)
- Auburn Univ, Dept Phys, Auburn, AL 36849 USA.
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- Markidis, Stefano (författare)
- KTH,Beräkningsvetenskap och beräkningsteknik (CST)
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Univ Michigan, Dept Climate & Space Sci & Engn, Ann Arbor, MI 48109 USA Univ Turku, Dept Phys & Astron, Space Res Lab, Turku, Finland.;Univ Calif Los Angeles, Dept Earth Planetary & Space Sci, Los Angeles, CA USA.;Imperial Coll London, Blackett Lab, London, England. (creator_code:org_t)
- American Geophysical Union (AGU), 2020
- 2020
- Engelska.
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Ingår i: Earth and Space Science. - : American Geophysical Union (AGU). - 2333-5084. ; 7:11
- Relaterad länk:
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- We use the magnetohydrodynamic (MHD) with embedded particle-in-cell model (MHD-EPIC) to study the Geospace Environment Modeling (GEM) dayside kinetic processes challenge event at 01:50-03:00 UT on 18 November 2015, when the magnetosphere was driven by a steady southward interplanetary magnetic field (IMF). In the MHD-EPIC simulation, the dayside magnetopause is covered by a PIC code so that the dayside reconnection is properly handled. We compare the magnetic fields and the plasma profiles of the magnetopause crossing with the MMS3 spacecraft observations. Most variables match the observations well in the magnetosphere, in the magnetosheath, and also during the current sheet crossing. The MHD-EPIC simulation produces flux ropes, and we demonstrate that some magnetic field and plasma features observed by the MMS3 spacecraft can be reproduced by a flux rope crossing event. We use an algorithm to automatically identify the reconnection sites from the simulation results. It turns out that there are usually multiple X-lines at the magnetopause. By tracing the locations of the X-lines, we find that the typical moving speed of the X-line endpoints is about 70 km/s, which is higher than but still comparable with the ground-based observations.
Ämnesord
- NATURVETENSKAP -- Fysik -- Fusion, plasma och rymdfysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Fusion, Plasma and Space Physics (hsv//eng)
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- art (ämneskategori)
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Chen, Yuxi
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Toth, Gabor
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Hietala, Heli
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Vines, Sarah K.
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Zou, Ying
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Nishimura, Yukit ...
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visa fler...
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Silveira, Marcos ...
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Guo, Zhifang
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Lin, Yu
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Markidis, Stefan ...
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visa färre...
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