subsection Postprocess
  subsection Particles
    set Time between data output  = 0
    set Data output format        = vtu
  end
end

subsection Particles
  set List of particle properties = velocity, initial composition
  set Interpolation scheme      = cell average
  set Particle generator name   = random uniform

  subsection Generator
    subsection Random uniform
      set Number of particles         = 100000
    end
  end
end
