Nonlinear evolution of resistive modes for q<1 in tokamaks
- 1 March 1991
- journal article
- research article
- Published by AIP Publishing in Physics of Fluids B: Plasma Physics
- Vol. 3 (3) , 594-600
- https://doi.org/10.1063/1.859857
Abstract
The nonlinear interaction of tearing instabilities resonant inside the q=1 surface can lead to stochastization of the plasma core without involving the n=1 mode. For certain profiles, the q=1 surface can survive this disruption, so that qqm=1)/(n=1) magnetic island can be sensitive to the initial perturbation as well as to the plasma configuration and profiles.Keywords
This publication has 6 references indexed in Scilit:
- Compressible linear and nonlinear resistive MHD calculations in toroidal geometryJournal of Computational Physics, 1990
- Magnetohydrodynamic stability and nonlinear evolution of the m=1 mode in toroidal geometry for safety factor profiles with an inflection pointPhysics of Fluids B: Plasma Physics, 1989
- Tokamak m=1 magnetohydrodynamic calculations in toroidal geometry using a full set of nonlinear resistive magnetohydrodynamic equationsPhysics of Fluids, 1988
- Numerical calculations using the full MHD equations in toroidal geometryJournal of Computational Physics, 1986
- Discharges with Safety Factor,, <1 in a Noncircular TokamakPhysical Review Letters, 1982
- Evolution of flux-conserving tokamak equilibria with preprogrammed cross sectionsJournal of Computational Physics, 1980