Abstract
A direct method has been developed to find axisymmetric magnetohydrodynamic (MHD) equilibria in Hamada coordinates. The problem is reduced to a system of ordinary differential equations for poloidal Fourier harmonics of the spatial coordinates of flux surfaces as functions of Hamada coordinates. These can be used to obtain metric tensor elements and magnetic field components as functions of Hamada coordinates, suitable for direct input into stability or transport codes. Equilibria with prescribed outer boundary shape can be found, given a suitable pair of plasma profiles, such as the pressure and safety factor as functions of poloidal flux.
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