# The gravity has its maximum value at the boundary of inner and
# outer core, and decreases approximately linearly to zero towards
# the center of the core.
# The Rayleigh number used in the model is given by the magnitude
# of the gravity at the inner core/outer core boundary.
subsection Gravity model
  set Model name = radial linear

  subsection Radial linear
    set Magnitude at bottom = 0.0
    set Magnitude at surface = 2     # <-- Ra
  end
end
