Magnetosonic wave propagation in a weakly diffusive plasma

Núñez, Manuel

doi:10.1016/j.ijnonlinmec.2017.04.001

International Journal of Non-Linear Mechanics

2017

DOI: 10.1016/j.ijnonlinmec.2017.04.001

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Magnetosonic wave propagation in a weakly diffusive plasma

Manuel Núñez

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Cited by 2 publications

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“…The left and right eigenvectors may be found in [18]. When the equilibrium quantities only depend on a spatial variable x, the ray equations are given by (see, e.g., [19])…”

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confidence: 99%

Nonlinear effects in the propagation, reflection and refraction of magnetosonic waves

Núñez¹

2018

EPL

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Reflection and refraction of magnetosonic waves in domains of different sound and Alfvén speeds have been often studied by means of the linearized magnetohydrodynamic equations, obtaining a more complex version of Fresnel laws. However, these waves are intrinsically nonlinear and this method does not describe adequately wave interaction. We consider high-frequency waves by means of the geometric optics approximation to follow the waves evolution until the interface is reached, where this procedure fails because the variation of spatial scales is faster than the frequency. It is shown that a connection with a local linear analysis is feasible, thus yielding the full evolution including reflection, transmission and presence of surface waves, as well as the influence of the interface on the time of shock formation.

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“…The left and right eigenvectors may be found in [18]. When the equilibrium quantities only depend on a spatial variable x, the ray equations are given by (see, e.g., [19])…”

mentioning

confidence: 99%

Nonlinear effects in the propagation, reflection and refraction of magnetosonic waves

Núñez¹

2018

EPL

Self Cite

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Generalized Ohm’s law and geometric optics: Applications to magnetosonic waves

Núñez

2019

International Journal of Non-Linear Mechanics

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Magnetosonic wave propagation in a weakly diffusive plasma

Cited by 2 publications

References 10 publications

Nonlinear effects in the propagation, reflection and refraction of magnetosonic waves

Nonlinear effects in the propagation, reflection and refraction of magnetosonic waves

Generalized Ohm’s law and geometric optics: Applications to magnetosonic waves

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