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New method for computing ideal MHD normal modes in axisymmetric toroidal geometry [electronic resource].

Published
Princeton, N.J. : Princeton University, 1984.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
Pages: 39 : digital, PDF file
Additional Creators
Princeton University and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
Analytic elimination of the two magnetic surface components of the displacement vector permits the normal mode ideal MHD equations to be reduced to a scalar form. A Galerkin procedure, similar to that used in the PEST codes, is implemented to determine the normal modes computationally. The method retains the efficient stability capabilities of the PEST 2 energy principle code, while allowing computation of the normal mode frequencies and eigenfunctions, if desired. The procedure is illustrated by comparison with earlier various of PEST and by application to tilting modes in spheromaks, and to stable discrete Alfven waves in tokamak geometry.
Report Numbers
E 1.99:pppl-2162
pppl-2162
Subject(s)
Other Subject(s)
Note
Published through SciTech Connect.
11/01/1984.
"pppl-2162"
"DE85004402"
Grimm, R.C.; Wysocki, F.
Funding Information
AC02-76CH03073
View MARC record | catkey: 14752834