Cooper, W AGraves, J PDuval, B PSauter, OFaustin, J MKleiner, ALanthaler, SPatten, HRaghunathan, MTran, T MChapman, I THam, C J2016-05-202016-05-202016-05-20201610.1088/0741-3335/58/6/064002https://infoscience.epfl.ch/handle/20.500.14299/126241WOS:000376275600002Three dimensional free boundary magnetohydrodynamic equilibria that recover saturated ideal kink/peeling structures are obtained numerically. Simulations that model the JET tokamak at fixed <beta > = 1.7% with a large edge bootstrap current that flattens the q-profile near the plasma boundary demonstrate that a radial parallel current density ribbon with a dominant m/n = 5/1 Fourier component at I-t = 2.2 MA develops into a broadband spectrum when the toroidal current I-t is increased to 2.5 MA.3D equilibriaideal staurated kink/peeling modescurrent ribbonedge harmonic oscillationtext::journal::journal article::research article