Re          = 0.5                5                  50                 500                 1500 
Centre mode = 0.8138856309658601 0.7496439031943564 0.7918822198414367 0.7599874276952447  0.7811046032069253 
Wall mode   = 0.0959722808080501 0.1                0.1                0.10137979171935006 0.1333457835314846