Grad-Shafranov 1958: axisymmetric MHD equilibrium nabla^2 psi - 1/R d/dR(...) = -mu_0 R^2 dp/dpsi - F dF/dpsi; basis of tokamak shape + safety-factor q profile design.
Grad-Shafranov 1958: axisymmetric MHD equilibrium nabla^2 psi - 1/R d/dR(...) = -mu_0 R^2 dp/dpsi - F dF/dpsi; basis of tokamak shape + safety-factor q profile design.