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A singular finite element technique for calculating continuum damping of Alfvén eigenmodes

Bowden, G. W.; Hole, M. J.

Description

Damping due to continuum resonances can be calculated using dissipation-less ideal magnetohydrodynamics provided that the poles due to these resonances are properly treated. We describe a singular finite element technique for calculating the continuum damping of Alfvén waves. A Frobenius expansion is used to determine appropriate finite element basis functions on an inner region surrounding a pole due to the continuum resonance. The location of the pole due to the continuum resonance and mode...[Show more]

CollectionsANU Research Publications
Date published: 2015-02-06
Type: Journal article
URI: http://hdl.handle.net/1885/13252
Source: Physics of Plasmas
DOI: 10.1063/1.4907792

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