n_cell = 128                             # number of cells in y-direction; we double this in the x-direction and divide by 8 in the z-direction
max_grid_size = 64                       # the maximum number of cells in any direction in a single grid (default: 32)

obstacles = 0 1 2 3 4 5 6 7 8            # this is how we choose which obstacles to include 

#The parameters below specify solver choices

use_hypre = 0                            # if 1 then use hypre instead of geometric multigrid      (default: 0)

mg_verbose = 2                           # specify verbosity of geometric multigrid solver         (default: 0)
bottom_verbose = 2                       # specify verbosity of the bottom solver if used (default: 0)
