Cold mass flux rate normalised by the initial cold mass flux of the simulations. Each point represents one simulation with a fixed ξ, ℳ, and initial magnetic angle ϕ with respect to the stream axis. Red dots, blue squares, and cyan diamonds refer to 2D simulations with ℳ = 2, 1, 0.5, respectively. Using the same colour legend, the fitted model is represented by coloured curves. For a fixed ξ and ℳ, the two points represent simulations with an initial magnetic field angle of 90° and 45° with the highest values associated with the 90° angle in all cases.