Abstract We have generated fully three-dimensional, high-resolution magnetohydrodynamic (MHD) simulations of the Kelvin–Helmholtz (KH) Instability during Parker-Spiral Interplanetary Magnetic Field (IMF) conditions at the dawnside magnetospheric flank magnetopause. Results of these simulations show that, although the draping of a strong tangential magnetic field component around the magnetopause, tailward of the terminator (due to the Parker-Spiral orientation), tends to stabilize the growth of such instabilities within the shear-flow plane, Kelvin–Helmholtz waves with a -vector tilted out of this plane may, nonetheless, develop into the nonlinear phase. This result suggests that obliquely propagating KH waves may contribute to the dawn-dusk asymmetries observed in plasma sheet parameters.
The Kelvin–Helmholtz instability under Parker-Spiral Interplanetary Magnetic Field conditions at the magnetospheric flanks
Advances in Space Research ; 58 , 2 ; 218-230
2015-09-11
13 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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