Theory of Perturbed Equilibria for Solving the Grad-Shafranov Equation
Authors: L.E. Zakharov and A. Pletzer
Date: July 14, 1999
Submitted: Plasma of Physics
The theory of perturbed magnetohydrodynamic equilibria is presented for different formulations of the tokamak equilibrium problem. For numerical codes, it gives an explicit Newton scheme for solving the Grad-Shafranov equation subject to different constraints. The problem of stability of axisymmetric modes is shown to be a particular case of the equilibrium perturbation theory.
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