Velocity and temperature gradients in SFCT stellar models with the old boundary conditions of Pasetto et al. (2016). Left panel: profile of the convective velocity as function of the pressure across the atmosphere of the 1.0 M_⊙ star with chemical composition [X = 0.703,  Y = 0.280,  Z = 0.017] at the Sun’s position (log L/L_⊙ = 0 and log T_eff = 3.762). The new boundary conditions are applied for log P ≤ 6.0. Three profiles are shown: the one from the MLT (black line), the one from the SFCT with the new boundary conditions (red dashed lines), and the one from the SFCT with the old boundary conditions (blue dotted line). Right panel: same as left panel, but for temperature gradient of the medium, ∇. Data are from Pasetto et al. (2016).