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NUMERICAL STUDIES OF THE MHD SPECTRUM OF AN ELLIPTIC PLASMA COLUMN

机译:椭圆等离子体柱mHD谱的数值研究

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摘要

A numerical procedure is described for determining the MHD spectrum associated with small perturbations about an analytic equilibrium. This configuration has magnetic flux surfaces which are nested similar elliptical cylinders generated by a uniform axial current. Since the system is periodic, it modelsi the essential features of a toroid. The code is used to study the properties of modes in the continuous shear Alfven and slow acoustic spectra as well as the discrete modes associated with the fast magnetosonic waves and kinks. Modes where the interchange criterion is violated, or nearly violated, are investigated.

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