pg_utils.pg_model.forcing.Ls_sym_expr

pg_utils.pg_model.forcing.Ls_sym_expr = s*(B_s^+(s, \phi, t)**2 + B_s^-(s, \phi, t)**2)/H(s) + B_s^+(s, \phi, t)*B_z^+(s, \phi, t) - B_s^-(s, \phi, t)*B_z^-(s, \phi, t) + (s*Derivative(\overline{M_{ss}}(s, \phi, t), s) + \overline{M_{ss}}(s, \phi, t))/s - \overline{M_{\phi\phi}}(s, \phi, t)/s + Derivative(\overline{M_{s\phi}}(s, \phi, t), \phi)/s

Expression: symmetric integral of the radial Lorentz force