subsection Geometry model
  set Model name = box

  subsection Box
    set X repetitions = 10
    set Y repetitions = 5
    set X extent      = 200e3
    set Y extent      = 100e3
  end
end

subsection Mesh refinement
  set Initial adaptive refinement        = 1
  set Initial global refinement          = 3
  set Time steps between mesh refinement = 0
  set Strategy = minimum refinement function

  subsection Minimum refinement function
    set Coordinate system   = cartesian
    set Variable names      = x,y
    set Function expression = if ( y>=50e3 && x>=40.e3 && x<=160.e3, 4, 3)
  end
end
