The progressive wave approach analyzing the decay of a sawtooth profile in magnetogasdynamics
Sharma, V. D. ; Singh, L. P. ; Ram, Rishi
[S.l.] : American Institute of Physics (AIP)
Published 1987
[S.l.] : American Institute of Physics (AIP)
Published 1987
| ISSN: |
1089-7666
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|---|---|
| Source: |
AIP Digital Archive
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| Topics: |
Physics
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| Notes: |
An asymptotic approach is used to analyze the main features of weakly nonlinear waves propagating through an electrically conducting gas permeated by a transverse magnetic field. The analysis leads to an evolution equation, which characterizes the wave process in the high-frequency domain. The growth equation for an acceleration front is recovered as a special case. The influence of the magnetic field on the decay behavior of a sawtooth profile, which is headed by a weak shock front and ends with a magnetosonic disturbance, is investigated. A remarkable difference between the plane and cylindrical wave profiles is noted; for instance, when the adiabatic index γ is 2, the field does not affect the decay behavior of plane waves but does affect cylindrical waves.
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| Type of Medium: |
Electronic Resource
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| URL: |