Computer Science – Sound
Scientific paper
Oct 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000aipc..537..279r&link_type=abstract
WAVES IN DUSTY, SOLAR, AND SPACE PLASMAS. AIP Conference Proceedings, Volume 537, pp. 279-286 (2000).
Computer Science
Sound
Sound Waves, Magnetohydrodynamic Waves, Magnetohydrodynamics And Plasmas, Magnetohydrodynamic And Fluid Equation
Scientific paper
We consider slow resonant MHD waves in 1D planar equilibria with the unidirectional magnetic field. A nonlinear equation governing this waves in a slow resonant layer is derived. A periodic solution in the form of propagating wave with a permanent shape is found in the limiting case, where nonlinearity dominates dissipation. This solution is used to derive a connection formula that connects the values of the normal component of the velocity at two sides of the resonant layer. This connection formula is, in turn, used to study the interaction of an incoming sound wave with a slab containing an inhomogeneous magnetized plasma. The coefficient of the wave energy resonant absorption is calculated and compared with its counterpart obtained on the basis of linear theory. .
Erdelyi Robert
Ruderman Michael S.
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