  mesh
   radial trisection
    trisection blocks, 4
    zmin -0.00075
    numr 3 initial radius 3.0
      rblock 1 2.0 interval 4
      rblock 2 3.0 interval 4
      rblock 3 5.0 interval 4
    numa 1
      ablock 1 360. interval 32
    end
   set assign
        nodeset, ihi, 40
        block sideset, ihi, 45, 2
    end

   topology modification
    suppress block, 1
    suppress block, 3
    end


    decomposition strategy
    sequential
    end
  end

