docs: def run(self):
          """
          Distribute individual cell simulations across ranks.
  
          This method takes no keyword arguments.
  
  
          Parameters
          ----------
          None
  
  
          Returns
          -------
          None
  
          """
          for cellindex in self.RANK_CELLINDICES:
              self.cellsim(cellindex)
  
          COMM.Barrier()