subsection Postprocess
  set List of postprocessors = visualization, velocity statistics, \
                temperature statistics, heat flux statistics, \
          depth average

  subsection Visualization
    set Output format                 = vtu
    set Time between graphical output = 1e6
    set Number of grouped files       = 1
  end

  subsection Depth average
    set Time between graphical output = 1.5e6
    set Output format                 = vtu
  end
end
