nambdy_index

!-----------------------------------------------------------------------
&nambdy        !  unstructured open boundaries                          (default: OFF)
!-----------------------------------------------------------------------
   ln_bdy         = .true.   !  Use unstructured open boundaries
   nb_bdy         = 2        !  number of open boundary sets
   ln_coords_file = F F      !  =T : read bdy coordinates from file
   nn_rimwidth    = 1 1      !  width of the relaxation zone
/

! BDY segments
&nambdy_index
   ctypebdy = 'S'             ! South boundary segment
   nbdyind = 1                ! Index along the constant dimension
   nbdybeg = 2                ! Start point along the varying dimension
   nbdyend = 200              ! Final point along the varying dimension
/
&nambdy_index
   ctypebdy = 'E'             ! East boundary segment
   nbdyind = -1               ! Automatic boundary definition: if -1 set boundary to whole side of model domain.  
/