iteration 0 rho = 0.668733 enthalpy = -15.797466 iteration 1 rho = 0.188680 enthalpy = -15.871148 iteration 2 rho = 0.078088 enthalpy = -15.874713 iteration 3 rho = 0.048497 enthalpy = -15.875793 iteration 4 rho = 0.030832 enthalpy = -15.876304 iteration 5 rho = 0.008297 enthalpy = -15.876404