Numerical simulation of nonstationary electromagnetic processes in the ITER vacuum chamber

The problem on numerical simulation of nonstationary electromagnetic processes for a dynamic model of the plasma in tokamak is considered; the calculational results of the ITER vacuum chamber when upsetting plasma current of eddy currents, electrodynamic loads and the rate of change in a tangent component of the magnetic field at the OTP superconductor are presented. Shielding operation of the ITER vacuum chamber when starting discharge is calculated. Dependence of the results obtained on the degree of chamber sectioning and electric resistance of its sections and bellows is analysed. 8 refs.; 14 figs.; 1 tab