| Issue |
EPL
Volume 125, Number 4, February 2019
|
|
|---|---|---|
| Article Number | 44002 | |
| Number of page(s) | 6 | |
| Section | Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics | |
| DOI | https://doi.org/10.1209/0295-5075/125/44002 | |
| Published online | 21 March 2019 | |
Smoothing of shocks in wave conversion of magnetosonic waves
Depto. Análisis Matemático, Universidad de Valladolid - 47011 Valladolid, Spain
(a) mnjmhd@am.uva.es
Received: 16 January 2019
Accepted: 14 February 2019
It is shown that wave conversion between fast and slow magnetosonic waves in the zone where the sound and Alfvén velocities coincide has a smoothing effect; unless the coming fast wave transfers entirely to a slow one, or vice versa, any incoming shock will emerge as two continuous waves. This is due to averaging between the Fourier modes of the outgoing waves.
PACS: 47.35.Tv – Magnetohydrodynamic waves / 02.30.Mv – Approximations and expansions / 95.30.Qd – Magnetohydrodynamics and plasmas
© EPLA, 2019
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